• A Rude Monkey decided to stick his tongue to
a 120 V outlet with 50,000 ohms of
resistance?
– How much current will he e...
• RED SLIDE: These are notes that are very
important and should be recorded in your
science journal.
Copyright © 2010 Ryan...
-Nice neat notes that are legible and use indentations
when appropriate.
-Example of indent.
-Skip a line between topics
-...
• RED SLIDE: These are notes that are very
important and should be recorded in your
science journal.
• BLACK SLIDE: Pay at...
• Where do you find this strange device?
– What does it do?
• An electric meter or energy meter is a device
that measures the amount of electrical
energy consumed by a residence, bus...
• Video Link! Reading your meter at home.
• Optional:
– http://www.youtube.com/watch?v=k2ogwitaAh4
Using a Multimeter -
ht...
 Volt: A measure of the force or pressure
under which electricity flows.
 Ampere: A measure of how much current
moves through a wire in one second.
Copyright © 2010 Ryan P. Murphy
• Ampere: A measure of how much current
moves through a wire in one second.
– Basically, the larger the size of wire, the ...
• Where do your see these plugs?
– Why are they larger?
Copyright © 2010 Ryan P. Murphy
• Answer: The Plug to a dryer or stove is
much thicker than a standard outlet to
account for extra amps.
Copyright © 2010 ...
• Answer: The Plug to a dryer or stove is
much thicker than a standard outlet to
account for extra amps.
Copyright © 2010 ...
 Watt: The amount of electricity consumed
per second.
Copyright © 2010 Ryan P. Murphy
• A Watt is calculated by multiplying volts times
amps. Most household electrical usage is
billed in kilowatt hours, or th...
• Question? We have a small computer server
with a sticker that shows 2.5 amps. Given a
normal 120 Volt, 60 hz power sourc...
• Raise your hand if you have no clue because
you weren’t paying attention for that black
slide that discussed what a Watt...
• Raise your hand if you have no clue because
you weren’t paying attention for that black
slide that discussed what a Watt...
• Electricity Available Sheet
• Volts are a measure of the force or pressure
under which electricity flows.
• Volts are a measure of the force or pressure
under which electricity flows.
• Volts are a measure of the force or pressure
under which electricity flows.
• Amps are a measurement of the current flow...
• Volts are a measure of the force or pressure
under which electricity flows.
• Amps are a measurement of the current flow...
• Volts are a measure of the force or pressure
under which electricity flows.
• Amps are a measurement of the current flow...
• Volts are a measure of the force or pressure
under which electricity flows.
• Amps are a measurement of the current flow...
• Volts are a measure of the force or pressure
under which electricity flows.
• Amps are a measurement of the current flow...
Crazy things about to happen.
Which is the correct description of Watts?
Which is the correct description of Watts?
This is a
measurement
of electrical
power
created.
This is a
measure of
the for...
Which is the correct description of Watts?
This is a
measurement
of electrical
power
created.
This is a
measure of
the for...
Which is the correct description of Amps?
This is a
measurement
of electrical
power
created.
This is a
measure of
the forc...
Which is the correct description of Amps?
This is a
measurement
of electrical
power
created.
This is a
measure of
the forc...
Which is the correct description of Volts?
This is a
measurement
of electrical
power
created.
This is a
measure of
the for...
Which is the correct description of Volts?
This is a
measurement
of electrical
power
created.
This is a
measure of
the for...
• Volts are a measure of the force or pressure
under which electricity flows.
• Amps are a measurement of the current flow...
• Volts are a measure of the force or pressure
under which electricity flows.
• Amps are a measurement of the current flow...
Which is the correct description of Amps?
This is a
measurement
of electrical
power
created.
This is a
measurement
of the ...
Which is the correct description of Amps?
This is a
measurement
of electrical
power
created.
This is a
measurement
of the ...
Which is the correct description of Volts?
This is a
measurement
of electrical
power
created.
This is a
measurement
of the...
Which is the correct description of Volts?
This is a
measurement
of electrical
power
created.
This is a
measurement
of the...
Which is the correct description of Watts?
This is a
measurement
of electrical
power
created.
This is a
measurement
of the...
Which is the correct description of Watts?
This is a
measurement
of electrical
power
created.
This is a
measurement
of the...
atts
atts
atts
olts
atts
olts
atts
olts mps
atts
olts mps
atts
olts mps
atts
olts mps
How do you
find Watts?
atts
olts mps
How do you
find Watts?
atts
olts mps
How do you
find Watts?
atts
olts mps
How do you
find Amps?
atts
olts mps
How do you
find Amps?
atts
olts mps
How do you
find Amps?
atts
olts mps
How do you
find Volts?
atts
olts mps
How do you
find Volts?
atts
olts mps
How do you
find Volts?
• Please complete these questions on the
available sheet.
• A Watt is calculated by multiplying volts times
amps. Most household electrical usage is
billed in kilowatt hours, or th...
• A Watt is calculated by multiplying volts times
amps. Most household electrical usage is
billed in kilowatt hours, or th...
• Question? We have a small computer server
with a sticker that shows 2.5 amps. Given a
normal 120 Volt, 60 hz power sourc...
• Question? We have a small computer server
with a sticker that shows 2.5 amps. Given a
normal 120 Volt, 60 hz power sourc...
• Question? We have a small computer server
with a sticker that shows 2.5 amps. Given a
normal 120 Volt, 60 hz power sourc...
• Question? We have a small computer server
with a sticker that shows 2.5 amps. Given a
normal 120 Volt, 60 hz power sourc...
• Question? We have a small computer server
with a sticker that shows 2.5 amps. Given a
normal 120 Volt, 60 hz power sourc...
• Question? We have a small computer server
with a sticker that shows 2.5 amps. Given a
normal 120 Volt, 60 hz power sourc...
• Question? We have a small computer server
with a sticker that shows 2.5 amps. Given a
normal 120 Volt, 60 hz power sourc...
“Ahh, we have to
do it again.”
“We did it like ten
times already.”
• Please complete these questions on the
available sheet.
• Question? We have an electronic device
with a sticker that shows 5 amps. Given a
12 Volt battery power source, How many
...
• Question? We have an electronic device
with a sticker that shows 5 amps. Given a
12 Volt battery power source, How many
...
• Question? We have an electronic device
with a sticker that shows 5 amps. Given a
12 Volt battery power source, How many
...
• Question? We have an electronic device
with a sticker that shows 5 amps. Given a
12 Volt battery power source, How many
...
• Question? We have an electronic device
with a sticker that shows 5 amps. Given a
12 Volt battery power source, How many
...
• Please complete these questions on the
available sheet.
• We have a 60 watt light bulb using 5 amps
of power.
– How many volts does it require?
• We have a 60 watt light bulb using 5 amps
of power.
– How many volts does it require?
• We have a 60 watt light bulb using 5 amps
of power.
– How many volts does it require?
• We have a 60 watt light bulb using 5 amps
of power.
– How many volts does it require?
• We have a 60 watt light bulb using 5 amps
of power.
– How many volts does it require?
– Volts = watts divided by amps.
• We have a 60 watt light bulb using 5 amps
of power.
– How many volts does it require?
– Volts = watts divided by amps.
• We have a 60 watt light bulb using 5 amps
of power.
– How many volts does it require?
– Volts = watts divided by amps.
–...
• We have a 60 watt light bulb using 5 amps
of power.
– How many volts does it require?
– Volts = watts divided by amps.
–...
• Please complete these questions on the
available sheet.
• We have a 100 watt light bulb using .83
amps of power per second.
– How many volts does it require?
• We have a 100 watt light bulb using .83
amps of power per second.
– How many volts does it require?
• We have a 100 watt light bulb using .83
amps of power per second.
– How many volts does it require?
– Volts = watts divi...
• We have a 100 watt light bulb using .83
amps of power per second.
– How many volts does it require?
– Volts = watts divi...
• We have a 100 watt light bulb using .83
amps of power per second.
– How many volts does it require?
– Volts = watts divi...
• Use natural light instead of lightning.
Copyright © 2010 Ryan P. Murphy
• Energy efficient light bulbs
Copyright © 2010 Ryan P. Murphy
• Energy efficient light bulbs
– More lumens, less wasted heat, less energy.
Copyright © 2010 Ryan P. Murphy
• Please complete these questions on the
available sheet.
• A sample electrical panel uses 60 watts at
12 volts.
– How many amps does it require?
• A sample electrical panel uses 60 watts at
12 volts.
– How many amps does it require?
• A sample electrical panel uses 60 watts at
12 volts.
– How many amps does it require?
• A sample electrical panel uses 60 watts at
12 volts.
– How many amps does it require?
– amps = watts / volts
• A sample electrical panel uses 60 watts at
12 volts.
– How many amps does it require?
– amps = watts / volts
– amps = 60...
• A sample electrical panel uses 60 watts at
12 volts.
– How many amps does it require?
– amps = watts / volts
– amps = 60...
• A sample electrical panel uses 60 watts at
12 volts.
– How many amps does it require?
– amps = watts / volts
– amps = 60...
• Please complete these questions on the
available sheet.
Get music for last question at… (Napoleon Dynamite Dance
Song) http://www.youtube.com/watch?v=Nzor09DbYfY
Question? A computer uses 1.75
amps. Given a 50 volt power source, How
many watts does it require?:
Question? A computer uses 1.75
amps. Given a 50 volt power source, How
many watts does it require?:
watts = volts x amps
Question? A computer uses 1.75
amps. Given a 50 volt power source, How
many watts does it require?:
watts = volts x amps
Question? A computer uses 1.75
amps. Given a 50 volt power source, How
many watts does it require?:
watts = volts x amps
w...
Question? A computer uses 1.75
amps. Given a 50 volt power source, How
many watts does it require?:
watts = volts x amps
w...
Question? A computer uses 1.75
amps. Given a 50 volt power source, How
many watts does it require?:
watts = volts x amps
w...
• What’s a resistance?
 Resistance: Anything in an electrical
circuit that impedes the flow of current is
referred to as resistance.
Copyright ©...
 Resistance: Anything in an electrical
circuit that impedes the flow of current is
referred to as resistance.
Copyright ©...
• Volts are a measure of the force or pressure
under which electricity flows.
• Amps are a measurement of the current flow...
• Volts are a measure of the force or pressure
under which electricity flows.
• Amps are a measurement of the current flow...
Which is the correct description of Watts?
This is a
measurement
of electrical
power
created.
This is a
measurement
of the...
Which is the correct description of Watts?
This is a
measurement
of electrical
power
created.
This is a
measurement
of the...
Which is the correct description of Watts?
This is a
measurement
of electrical
power
created.
This is a
measurement
of the...
Which is the correct description of Watts?
This is a
measurement
of electrical
power
created.
This is a
measurement
of the...
Which is the correct description of Watts?
This is a
measurement
of electrical
power
created.
This is a
measurement
of the...
Which is the correct description of Watts?
This is a
measurement
of electrical
power
created.
This is a
measurement
of the...
Which is the correct description of Watts?
This is a
measurement
of electrical
power
created.
This is a
measurement
of the...
Which is the correct description of Watts?
This is a
measurement
of electrical
power
created.
This is a
measurement
of the...
Which is the correct description of Watts?
This is a
measurement
of electrical
power
created.
This is a
measurement
of the...
Which is the correct description of Watts?
This is a
measurement
of electrical
power
created.
This is a
measurement
of the...
• Volts are a measure of the force or pressure
under which electricity flows.
• Amps are a measurement of the current flow...
• Volts are a measure of the force or pressure
under which electricity flows.
• Amps are a measurement of the current flow...
Which is the correct description of Watts?
This is a
measurement
of the current
flow rate of
electrons
Anything in
an elec...
Which is the correct description of Watts?
This is a
measurement
of the current
flow rate of
electrons
Anything in
an elec...
Which is the correct description of Watts?
This is a
measurement
of the current
flow rate of
electrons
Anything in
an elec...
Which is the correct description of Watts?
This is a
measurement
of the current
flow rate of
electrons
Anything in
an elec...
Which is the correct description of Watts?
This is a
measurement
of the current
flow rate of
electrons
Anything in
an elec...
Which is the correct description of Watts?
This is a
measurement
of the current
flow rate of
electrons
Anything in
an elec...
Which is the correct description of Watts?
This is a
measurement
of the current
flow rate of
electrons
Anything in
an elec...
Which is the correct description of Watts?
This is a
measurement
of the current
flow rate of
electrons
Anything in
an elec...
Which is the correct description of Watts?
This is a
measurement
of the current
flow rate of
electrons
Anything in
an elec...
• Georg Simon Ohm (1789 –1854)
– Ohm found that there is a direct proportionality
between voltage applied across a conduct...
• Georg Simon Ohm (1789 –1854)
– Ohm found that there is a direct proportionality
between voltage applied across a conduct...
 Ohms: The measure of resistance in a
circuit to the flow of an electric current.
 The greater the ohm value the more di...
 Ohms: The measure of resistance in a
circuit to the flow of an electric current.
 The greater the ohm value the more di...
 Ohms: The measure of resistance in a
circuit to the flow of an electric current.
 The greater the ohm value the more di...
 Ohms: The measure of resistance in a
circuit to the flow of an electric current.
 The greater the ohm value the more di...
• Ohms: The measure of resistance in a
circuit to the flow of an electric current.
– The greater the ohm value the more di...
• Ohms: The measure of resistance in a
circuit to the flow of an electric current.
– The greater the ohm value the more di...
• Ohms: The measure of resistance in a
circuit to the flow of an electric current.
– The greater the ohm value the more di...
• Ohms: The measure of resistance in a
circuit to the flow of an electric current.
– The greater the ohm value the more di...
• Ohms: The measure of resistance in a
circuit to the flow of an electric current.
– The greater the ohm value the more di...
• Video Link! Ohms Law (Optional)
– Be proactive, record notes as he does.
– http://www.youtube.com/watch?v=-mHLvtGjum4
• Please complete these questions on the
available sheet.
• If 220 volts travel through a copper wire and
the current is 36A,
– What’s the resistance of the wire?
• If 220 volts travel through a copper wire and
the current is 36A,
– What’s the resistance of the wire?
• If 220 volts travel through a copper wire and
the current is 36A,
– What’s the resistance of the wire?
• If 220 volts travel through a copper wire and
the current is 36A,
– What’s the resistance of the wire?
• If 220 volts travel through a copper wire and
the current is 36A,
– What’s the resistance of the wire?
V 220
R= ------
I
• If 220 volts travel through a copper wire and
the current is 36A,
– What’s the resistance of the wire?
V 220
R= ------ -...
• If 220 volts travel through a copper wire and
the current is 36A,
– What’s the resistance of the wire?
V 220
R= ------ -...
• If 220 volts travel through a copper wire and
the current is 36A,
– What’s the resistance of the wire?
V 220
R= ------ -...
• Electricity flows through a wire much like
water flows through a pipe.
• Electricity flows through a wire much like
water flows through a pipe.
– A force is required to drive it and resistance ...
• Ohms Law Simulator at…
– http://phet.colorado.edu/en/simulation/ohms-law
• Please complete these questions on the
available sheet.
• A nine volt battery supplies power to a
cordless drill with a resistance of 18 ohms.
– How much current (I) is flowing t...
• A nine volt battery supplies power to a
cordless drill with a resistance of 18 ohms.
– How much current (I) is flowing t...
• A nine volt battery supplies power to a
cordless drill with a resistance of 18 ohms.
– How much current (I) is flowing t...
• A nine volt battery supplies power to a
cordless drill with a resistance of 18 ohms.
– How much current (I) is flowing t...
• A nine volt battery supplies power to a
cordless drill with a resistance of 18 ohms.
– How much current (I) is flowing t...
• A nine volt battery supplies power to a
cordless drill with a resistance of 18 ohms.
– How much current (I) is flowing t...
• A nine volt battery supplies power to a
cordless drill with a resistance of 18 ohms.
– How much current (I) is flowing t...
V = I x R
V = I x R
V = I x R
R R
V = I x R
R R
I = V
R
I = 9
18
I = .5 amps
• Please complete these questions on the
available sheet.
• A Rude Monkey decided to stick his tongue to
a 120 V outlet with 50,000 ohms of
resistance?
– How much current will he e...
• A Rude Monkey decided to stick his tongue to
a 120 V outlet with 50,000 ohms of
resistance?
– How much current will he e...
• A Rude Monkey decided to stick his tongue to
a 120 V outlet with 50,000 ohms of
resistance?
– How much current will he e...
• A Rude Monkey decided to stick his tongue to
a 120 V outlet with 50,000 ohms of
resistance?
– How much current will he e...
• A Rude Monkey decided to stick his tongue to
a 120 V outlet with 50,000 ohms of
resistance?
– How much current will he e...
• A Rude Monkey decided to stick his tongue to
a 120 V outlet with 50,000 ohms of
resistance?
– How much current will he e...
• A Rude Monkey decided to stick his tongue to
a 120 V outlet with 50,000 ohms of
resistance?
– How much current will he e...
• A Rude Monkey decided to stick his tongue to
a 120 V outlet with 50,000 ohms of
resistance?
– How much current will he e...
• A 110 volt outlet supplies power to a strobe
light with a resistance of 2600 ohms.
– How much current is flowing through...
• A 110 volt outlet supplies power to a strobe
light with a resistance of 2600 ohms.
– How much current is flowing through...
• A 110 volt outlet supplies power to a strobe
light with a resistance of 2600 ohms.
– How much current is flowing through...
• A 110 volt outlet supplies power to a strobe
light with a resistance of 2600 ohms.
– How much current is flowing through...
• A 110 volt outlet supplies power to a strobe
light with a resistance of 2600 ohms.
– How much current is flowing through...
• A 110 volt outlet supplies power to a strobe
light with a resistance of 2600 ohms.
– How much current is flowing through...
• Please complete these questions on the
available sheet.
• Video Link! Current, Voltage, Resistance
– http://www.youtube.com/watch?v=J4Vq-
xHqUo8
• Visit a more complex circuit simulator AC
and DC
• http://phet.colorado.edu/en/simulation/circ
uit-construction-kit-ac
• Visit an online circuit builder if materials
are not present.
– http://phet.colorado.edu/en/simulation/circuit-
construc...
 Please record the symbols and their
names below.
Copyright © 2010 Ryan P. Murphy
 Please record the symbols and their
names below.
Copyright © 2010 Ryan P. Murphy
 Please record the symbols and their
names below.
Copyright © 2010 Ryan P. Murphy
 Please record the symbols and their
names below.
Copyright © 2010 Ryan P. Murphy
 Please record the symbols and their
names below.
Copyright © 2010 Ryan P. Murphy
 Please record the symbols and their
names below.
Copyright © 2010 Ryan P. Murphy
 Please record the symbols and their
names below.
Copyright © 2010 Ryan P. Murphy
• Activity – Creating a Circuit
– Please create a circuit to light the light bulb
with a switch.
– Draw the circuit in you...
• Electricity Available Sheet
• Possible answer to drawing a circuit.
Copyright © 2010 Ryan P. Murphy
• Activity: Connecting all of the lights to create
one large circuit.
–Can we connect all of the lights along a
chain?
–Wh...
• This will be you at some point in your life
so pay attention.
• This will be you at some point in your life
so pay attention.
• When you jump a car’s battery, ground the
negative.
– Avoid touching the cables together and notice
the sequence, 1, 2, ...
• When you jump a car’s battery, ground the
negative.
– Avoid touching the cables together and notice
the sequence, 1, 2, ...
• When you jump a car’s battery, ground the
negative.
– Avoid touching the cables together and notice
the sequence, 1, 2, ...
• When you jump a car’s battery, ground the
negative.
– Avoid touching the cables together and notice
the sequence, 1, 2, ...
• When you jump a car’s battery, ground the
negative.
– Avoid touching the cables together and notice
the sequence, 1, 2, ...
• Video! How to jumpstart a car. (Saab Ad?)
– You will be driving soon, and may have to do this
on your own. Is this an ad...
 Typical outlet for AC
Copyright © 2010 Ryan P. Murphy
 Typical outlet for AC
Copyright © 2010 Ryan P. Murphy
 Typical outlet for AC
Copyright © 2010 Ryan P. Murphy
 Typical outlet for AC
Copyright © 2010 Ryan P. Murphy
• Danger – Do not attempt electrical work
until you have learned the safe and proper
technique from a certified electricia...
• Danger – Do not attempt electrical work
until you have learned the safe and proper
technique from a certified electricia...
• Activity Challenge.
• Visit this website and fill in the blanks correctly
to demonstrate understanding.
– http://educati...
• http://sciencepowerpoint.comWebsite Link:
http://sciencepowerpoint.com/Energy_Topics_Unit.html
Areas of Focus within The Matter, Energy, and the Environment Unit.
T...
• Please visit the links below to learn more
about each of the units in this curriculum
– These units take me about four y...
Physical Science Units Extended Tour Link and Curriculum Guide
Science Skills Unit http://sciencepowerpoint.com/Science_In...
• The entire four year curriculum can be found at...
http://sciencepowerpoint.com/ Please feel free to
contact me with any...
• http://sciencepowerpoint.comWebsite Link:
Electrical current conversion triad PowerPoint, Electricty PowerPoint
Electrical current conversion triad PowerPoint, Electricty PowerPoint
Electrical current conversion triad PowerPoint, Electricty PowerPoint
Electrical current conversion triad PowerPoint, Electricty PowerPoint
Electrical current conversion triad PowerPoint, Electricty PowerPoint
Electrical current conversion triad PowerPoint, Electricty PowerPoint
Electrical current conversion triad PowerPoint, Electricty PowerPoint
Electrical current conversion triad PowerPoint, Electricty PowerPoint
Electrical current conversion triad PowerPoint, Electricty PowerPoint
Electrical current conversion triad PowerPoint, Electricty PowerPoint
Electrical current conversion triad PowerPoint, Electricty PowerPoint
Electrical current conversion triad PowerPoint, Electricty PowerPoint
Electrical current conversion triad PowerPoint, Electricty PowerPoint
Electrical current conversion triad PowerPoint, Electricty PowerPoint
Electrical current conversion triad PowerPoint, Electricty PowerPoint
Electrical current conversion triad PowerPoint, Electricty PowerPoint
Electrical current conversion triad PowerPoint, Electricty PowerPoint
Electrical current conversion triad PowerPoint, Electricty PowerPoint
Electrical current conversion triad PowerPoint, Electricty PowerPoint
Electrical current conversion triad PowerPoint, Electricty PowerPoint
Electrical current conversion triad PowerPoint, Electricty PowerPoint
Upcoming SlideShare
Loading in …5
×

Electrical current conversion triad PowerPoint, Electricty PowerPoint

618 views

Published on

an de graaff generator lesson powerpoint, Electricity, Static Electricity

Published in: Business, Technology
0 Comments
0 Likes
Statistics
Notes
  • Be the first to comment

  • Be the first to like this

No Downloads
Views
Total views
618
On SlideShare
0
From Embeds
0
Number of Embeds
1
Actions
Shares
0
Downloads
3
Comments
0
Likes
0
Embeds 0
No embeds

No notes for slide

Electrical current conversion triad PowerPoint, Electricty PowerPoint

  1. 1. • A Rude Monkey decided to stick his tongue to a 120 V outlet with 50,000 ohms of resistance? – How much current will he experience? V 120 V I = ----- ----------- = .0024A R 50,000 ohms
  2. 2. • RED SLIDE: These are notes that are very important and should be recorded in your science journal. Copyright © 2010 Ryan P. Murphy
  3. 3. -Nice neat notes that are legible and use indentations when appropriate. -Example of indent. -Skip a line between topics -Don’t skip pages -Make visuals clear and well drawn. Please label. Ice Melting Water Boiling Vapor GasT E M P Heat Added 
  4. 4. • RED SLIDE: These are notes that are very important and should be recorded in your science journal. • BLACK SLIDE: Pay attention, follow directions, complete projects as described and answer required questions neatly. Copyright © 2010 Ryan P. Murphy
  5. 5. • Where do you find this strange device? – What does it do?
  6. 6. • An electric meter or energy meter is a device that measures the amount of electrical energy consumed by a residence, business, or an electrically powered device.
  7. 7. • Video Link! Reading your meter at home. • Optional: – http://www.youtube.com/watch?v=k2ogwitaAh4 Using a Multimeter - http://www.doctronics.co.uk/meter.htm
  8. 8.  Volt: A measure of the force or pressure under which electricity flows.
  9. 9.  Ampere: A measure of how much current moves through a wire in one second. Copyright © 2010 Ryan P. Murphy
  10. 10. • Ampere: A measure of how much current moves through a wire in one second. – Basically, the larger the size of wire, the greater the ampere capacity. Copyright © 2010 Ryan P. Murphy
  11. 11. • Where do your see these plugs? – Why are they larger? Copyright © 2010 Ryan P. Murphy
  12. 12. • Answer: The Plug to a dryer or stove is much thicker than a standard outlet to account for extra amps. Copyright © 2010 Ryan P. Murphy
  13. 13. • Answer: The Plug to a dryer or stove is much thicker than a standard outlet to account for extra amps. Copyright © 2010 Ryan P. Murphy
  14. 14.  Watt: The amount of electricity consumed per second. Copyright © 2010 Ryan P. Murphy
  15. 15. • A Watt is calculated by multiplying volts times amps. Most household electrical usage is billed in kilowatt hours, or the amount of hours times 1,000 watts. Copyright © 2010 Ryan P. Murphy
  16. 16. • Question? We have a small computer server with a sticker that shows 2.5 amps. Given a normal 120 Volt, 60 hz power source and the ampere reading from equipment… – How many watts does it require?
  17. 17. • Raise your hand if you have no clue because you weren’t paying attention for that black slide that discussed what a Watt was?
  18. 18. • Raise your hand if you have no clue because you weren’t paying attention for that black slide that discussed what a Watt was?
  19. 19. • Electricity Available Sheet
  20. 20. • Volts are a measure of the force or pressure under which electricity flows.
  21. 21. • Volts are a measure of the force or pressure under which electricity flows.
  22. 22. • Volts are a measure of the force or pressure under which electricity flows. • Amps are a measurement of the current flow rate of electrons • .
  23. 23. • Volts are a measure of the force or pressure under which electricity flows. • Amps are a measurement of the current flow rate of electrons • . • Watts is a measurement of electrical power created.
  24. 24. • Volts are a measure of the force or pressure under which electricity flows. • Amps are a measurement of the current flow rate of electrons • . • Watts is a measurement of electrical power created. – 1 watt is equal to one joule of energy per second.
  25. 25. • Volts are a measure of the force or pressure under which electricity flows. • Amps are a measurement of the current flow rate of electrons • . • Watts is a measurement of electrical power created. – 1 watt is equal to one joule of energy per second.
  26. 26. • Volts are a measure of the force or pressure under which electricity flows. • Amps are a measurement of the current flow rate of electrons • . • Watts is a measurement of electrical power created. – 1 watt is equal to one joule of energy per second.
  27. 27. Crazy things about to happen.
  28. 28. Which is the correct description of Watts?
  29. 29. Which is the correct description of Watts? This is a measurement of electrical power created. This is a measure of the force or pressure under which electricity flows This is a measurement of the current flow rate of electrons
  30. 30. Which is the correct description of Watts? This is a measurement of electrical power created. This is a measure of the force or pressure under which electricity flows This is a measurement of the current flow rate of electrons
  31. 31. Which is the correct description of Amps? This is a measurement of electrical power created. This is a measure of the force or pressure under which electricity flows This is a measurement of the current flow rate of electrons
  32. 32. Which is the correct description of Amps? This is a measurement of electrical power created. This is a measure of the force or pressure under which electricity flows This is a measurement of the current flow rate of electrons
  33. 33. Which is the correct description of Volts? This is a measurement of electrical power created. This is a measure of the force or pressure under which electricity flows This is a measurement of the current flow rate of electrons
  34. 34. Which is the correct description of Volts? This is a measurement of electrical power created. This is a measure of the force or pressure under which electricity flows This is a measurement of the current flow rate of electrons
  35. 35. • Volts are a measure of the force or pressure under which electricity flows. • Amps are a measurement of the current flow rate of electrons • . • Watts is a measurement of electrical power created. – 1 watt is equal to one joule of energy per second.
  36. 36. • Volts are a measure of the force or pressure under which electricity flows. • Amps are a measurement of the current flow rate of electrons • . • Watts is a measurement of electrical power created. – 1 watt is equal to one joule of energy per second.
  37. 37. Which is the correct description of Amps? This is a measurement of electrical power created. This is a measurement of the current flow rate of electrons This is a measure of the force or pressure under which electricity flows
  38. 38. Which is the correct description of Amps? This is a measurement of electrical power created. This is a measurement of the current flow rate of electrons This is a measure of the force or pressure under which electricity flows
  39. 39. Which is the correct description of Volts? This is a measurement of electrical power created. This is a measurement of the current flow rate of electrons This is a measure of the force or pressure under which electricity flows
  40. 40. Which is the correct description of Volts? This is a measurement of electrical power created. This is a measurement of the current flow rate of electrons This is a measure of the force or pressure under which electricity flows
  41. 41. Which is the correct description of Watts? This is a measurement of electrical power created. This is a measurement of the current flow rate of electrons This is a measure of the force or pressure under which electricity flows
  42. 42. Which is the correct description of Watts? This is a measurement of electrical power created. This is a measurement of the current flow rate of electrons This is a measure of the force or pressure under which electricity flows
  43. 43. atts
  44. 44. atts
  45. 45. atts olts
  46. 46. atts olts
  47. 47. atts olts mps
  48. 48. atts olts mps
  49. 49. atts olts mps
  50. 50. atts olts mps How do you find Watts?
  51. 51. atts olts mps How do you find Watts?
  52. 52. atts olts mps How do you find Watts?
  53. 53. atts olts mps How do you find Amps?
  54. 54. atts olts mps How do you find Amps?
  55. 55. atts olts mps How do you find Amps?
  56. 56. atts olts mps How do you find Volts?
  57. 57. atts olts mps How do you find Volts?
  58. 58. atts olts mps How do you find Volts?
  59. 59. • Please complete these questions on the available sheet.
  60. 60. • A Watt is calculated by multiplying volts times amps. Most household electrical usage is billed in kilowatt hours, or the amount of hours times 1,000 watts. Copyright © 2010 Ryan P. Murphy
  61. 61. • A Watt is calculated by multiplying volts times amps. Most household electrical usage is billed in kilowatt hours, or the amount of hours times 1,000 watts. Copyright © 2010 Ryan P. Murphy
  62. 62. • Question? We have a small computer server with a sticker that shows 2.5 amps. Given a normal 120 Volt, 60 hz power source and the ampere reading from equipment… – How many watts does it require?
  63. 63. • Question? We have a small computer server with a sticker that shows 2.5 amps. Given a normal 120 Volt, 60 hz power source and the ampere reading from equipment… – How many watts does it require?
  64. 64. • Question? We have a small computer server with a sticker that shows 2.5 amps. Given a normal 120 Volt, 60 hz power source and the ampere reading from equipment… – How many watts does it require?
  65. 65. • Question? We have a small computer server with a sticker that shows 2.5 amps. Given a normal 120 Volt, 60 hz power source and the ampere reading from equipment – How many watts does it require? – Watts = Volts x Amps – Watts = 120v x 2.5amps = 300 Watts
  66. 66. • Question? We have a small computer server with a sticker that shows 2.5 amps. Given a normal 120 Volt, 60 hz power source and the ampere reading from equipment – How many watts does it require? – Watts = Volts x Amps – Watts = 120v x 2.5amps = 300 Watts
  67. 67. • Question? We have a small computer server with a sticker that shows 2.5 amps. Given a normal 120 Volt, 60 hz power source and the ampere reading from equipment – How many watts does it require? – Watts = Volts x Amps – Watts = 120v x 2.5amps =
  68. 68. • Question? We have a small computer server with a sticker that shows 2.5 amps. Given a normal 120 Volt, 60 hz power source and the ampere reading from equipment – How many watts does it require? – Watts = Volts x Amps – Watts = 120v x 2.5amps = 300 Watts
  69. 69. “Ahh, we have to do it again.” “We did it like ten times already.”
  70. 70. • Please complete these questions on the available sheet.
  71. 71. • Question? We have an electronic device with a sticker that shows 5 amps. Given a 12 Volt battery power source, How many watts does it require?: – Watts = Volts x Amps – Watts = 12 volts x 5 amps = 60watts
  72. 72. • Question? We have an electronic device with a sticker that shows 5 amps. Given a 12 Volt battery power source, How many watts does it require?: – Watts = Volts x Amps – Watts = 12 volts x 5 amps = 60watts
  73. 73. • Question? We have an electronic device with a sticker that shows 5 amps. Given a 12 Volt battery power source, How many watts does it require?: – Watts = Volts x Amps – Watts = 12 volts x 5 amps = 60watts
  74. 74. • Question? We have an electronic device with a sticker that shows 5 amps. Given a 12 Volt battery power source, How many watts does it require?: – Watts = Volts x Amps
  75. 75. • Question? We have an electronic device with a sticker that shows 5 amps. Given a 12 Volt battery power source, How many watts does it require?: – Watts = Volts x Amps – Watts = 12 volts x 5 amps =
  76. 76. • Please complete these questions on the available sheet.
  77. 77. • We have a 60 watt light bulb using 5 amps of power. – How many volts does it require?
  78. 78. • We have a 60 watt light bulb using 5 amps of power. – How many volts does it require?
  79. 79. • We have a 60 watt light bulb using 5 amps of power. – How many volts does it require?
  80. 80. • We have a 60 watt light bulb using 5 amps of power. – How many volts does it require?
  81. 81. • We have a 60 watt light bulb using 5 amps of power. – How many volts does it require? – Volts = watts divided by amps.
  82. 82. • We have a 60 watt light bulb using 5 amps of power. – How many volts does it require? – Volts = watts divided by amps.
  83. 83. • We have a 60 watt light bulb using 5 amps of power. – How many volts does it require? – Volts = watts divided by amps. – Volts = 60 / 5
  84. 84. • We have a 60 watt light bulb using 5 amps of power. – How many volts does it require? – Volts = watts divided by amps. – Volts = 60 / 5 – Volts =12
  85. 85. • Please complete these questions on the available sheet.
  86. 86. • We have a 100 watt light bulb using .83 amps of power per second. – How many volts does it require?
  87. 87. • We have a 100 watt light bulb using .83 amps of power per second. – How many volts does it require?
  88. 88. • We have a 100 watt light bulb using .83 amps of power per second. – How many volts does it require? – Volts = watts divided by amps.
  89. 89. • We have a 100 watt light bulb using .83 amps of power per second. – How many volts does it require? – Volts = watts divided by amps. – Volts = 100 / .83
  90. 90. • We have a 100 watt light bulb using .83 amps of power per second. – How many volts does it require? – Volts = watts divided by amps. – Volts = 100 / .83 – Volts = 120
  91. 91. • Use natural light instead of lightning. Copyright © 2010 Ryan P. Murphy
  92. 92. • Energy efficient light bulbs Copyright © 2010 Ryan P. Murphy
  93. 93. • Energy efficient light bulbs – More lumens, less wasted heat, less energy. Copyright © 2010 Ryan P. Murphy
  94. 94. • Please complete these questions on the available sheet.
  95. 95. • A sample electrical panel uses 60 watts at 12 volts. – How many amps does it require?
  96. 96. • A sample electrical panel uses 60 watts at 12 volts. – How many amps does it require?
  97. 97. • A sample electrical panel uses 60 watts at 12 volts. – How many amps does it require?
  98. 98. • A sample electrical panel uses 60 watts at 12 volts. – How many amps does it require? – amps = watts / volts
  99. 99. • A sample electrical panel uses 60 watts at 12 volts. – How many amps does it require? – amps = watts / volts – amps = 60 / 12
  100. 100. • A sample electrical panel uses 60 watts at 12 volts. – How many amps does it require? – amps = watts / volts – amps = 60 / 12 – amps = 5
  101. 101. • A sample electrical panel uses 60 watts at 12 volts. – How many amps does it require? – amps = watts / volts – amps = 60 / 12 – amps = 5
  102. 102. • Please complete these questions on the available sheet.
  103. 103. Get music for last question at… (Napoleon Dynamite Dance Song) http://www.youtube.com/watch?v=Nzor09DbYfY
  104. 104. Question? A computer uses 1.75 amps. Given a 50 volt power source, How many watts does it require?:
  105. 105. Question? A computer uses 1.75 amps. Given a 50 volt power source, How many watts does it require?: watts = volts x amps
  106. 106. Question? A computer uses 1.75 amps. Given a 50 volt power source, How many watts does it require?: watts = volts x amps
  107. 107. Question? A computer uses 1.75 amps. Given a 50 volt power source, How many watts does it require?: watts = volts x amps watts = 50 volts x 1.75 amps =
  108. 108. Question? A computer uses 1.75 amps. Given a 50 volt power source, How many watts does it require?: watts = volts x amps watts = 50 volts x 1.75 amps = 87.5 watts
  109. 109. Question? A computer uses 1.75 amps. Given a 50 volt power source, How many watts does it require?: watts = volts x amps watts = 50 volts x 1.75 amps = 87.5 watts Learn more about amps, watts, volts and ohms http://science.howstuffworks.com/environmental/energy/qu estion501.htm
  110. 110. • What’s a resistance?
  111. 111.  Resistance: Anything in an electrical circuit that impedes the flow of current is referred to as resistance. Copyright © 2010 Ryan P. Murphy
  112. 112.  Resistance: Anything in an electrical circuit that impedes the flow of current is referred to as resistance. Copyright © 2010 Ryan P. Murphy The refusal to accept or comply with something; the attempt to prevent something by action or argument.
  113. 113. • Volts are a measure of the force or pressure under which electricity flows. • Amps are a measurement of the current flow rate of electrons • Resistance: Anything in an electrical circuit that impedes the flow of current is referred to as resistance. • Watts is a measurement of electrical power created. – 1 watt is equal to one joule of energy per second.
  114. 114. • Volts are a measure of the force or pressure under which electricity flows. • Amps are a measurement of the current flow rate of electrons • Resistance: Anything in an electrical circuit that impedes the flow of current is referred to as resistance. • Watts is a measurement of electrical power created. – 1 watt is equal to one joule of energy per second.
  115. 115. Which is the correct description of Watts? This is a measurement of electrical power created. This is a measurement of the current flow rate of electrons This is a measure of the force or pressure under which electricity flows Anything in an electrical circuit that impedes the flow of current.
  116. 116. Which is the correct description of Watts? This is a measurement of electrical power created. This is a measurement of the current flow rate of electrons This is a measure of the force or pressure under which electricity flows Anything in an electrical circuit that impedes the flow of current.
  117. 117. Which is the correct description of Watts? This is a measurement of electrical power created. This is a measurement of the current flow rate of electrons This is a measure of the force or pressure under which electricity flows Anything in an electrical circuit that impedes the flow of current.
  118. 118. Which is the correct description of Watts? This is a measurement of electrical power created. This is a measurement of the current flow rate of electrons This is a measure of the force or pressure under which electricity flows Anything in an electrical circuit that impedes the flow of current.
  119. 119. Which is the correct description of Watts? This is a measurement of electrical power created. This is a measurement of the current flow rate of electrons This is a measure of the force or pressure under which electricity flows Anything in an electrical circuit that impedes the flow of current.
  120. 120. Which is the correct description of Watts? This is a measurement of electrical power created. This is a measurement of the current flow rate of electrons This is a measure of the force or pressure under which electricity flows Anything in an electrical circuit that impedes the flow of current.
  121. 121. Which is the correct description of Watts? This is a measurement of electrical power created. This is a measurement of the current flow rate of electrons This is a measure of the force or pressure under which electricity flows Anything in an electrical circuit that impedes the flow of current.
  122. 122. Which is the correct description of Watts? This is a measurement of electrical power created. This is a measurement of the current flow rate of electrons This is a measure of the force or pressure under which electricity flows Anything in an electrical circuit that impedes the flow of current.
  123. 123. Which is the correct description of Watts? This is a measurement of electrical power created. This is a measurement of the current flow rate of electrons This is a measure of the force or pressure under which electricity flows Anything in an electrical circuit that impedes the flow of current.
  124. 124. Which is the correct description of Watts? This is a measurement of electrical power created. This is a measurement of the current flow rate of electrons Anything in an electrical circuit that impedes the flow of current. This is a measure of the force or pressure under which electricity flows
  125. 125. • Volts are a measure of the force or pressure under which electricity flows. • Amps are a measurement of the current flow rate of electrons • Resistance: Anything in an electrical circuit that impedes the flow of current is referred to as resistance. • Watts is a measurement of electrical power created. – 1 watt is equal to one joule of energy per second.
  126. 126. • Volts are a measure of the force or pressure under which electricity flows. • Amps are a measurement of the current flow rate of electrons • Resistance: Anything in an electrical circuit that impedes the flow of current is referred to as resistance. • Watts is a measurement of electrical power created. – 1 watt is equal to one joule of energy per second.
  127. 127. Which is the correct description of Watts? This is a measurement of the current flow rate of electrons Anything in an electrical circuit that impedes the flow of current. This is a measure of the force or pressure under which electricity flows This is a measurement of electrical power created.
  128. 128. Which is the correct description of Watts? This is a measurement of the current flow rate of electrons Anything in an electrical circuit that impedes the flow of current. This is a measure of the force or pressure under which electricity flows This is a measurement of electrical power created.
  129. 129. Which is the correct description of Watts? This is a measurement of the current flow rate of electrons Anything in an electrical circuit that impedes the flow of current. This is a measure of the force or pressure under which electricity flows This is a measurement of electrical power created.
  130. 130. Which is the correct description of Watts? This is a measurement of the current flow rate of electrons Anything in an electrical circuit that impedes the flow of current. This is a measure of the force or pressure under which electricity flows This is a measurement of electrical power created.
  131. 131. Which is the correct description of Watts? This is a measurement of the current flow rate of electrons Anything in an electrical circuit that impedes the flow of current. This is a measure of the force or pressure under which electricity flows This is a measureme nt of electrical power created.
  132. 132. Which is the correct description of Watts? This is a measurement of the current flow rate of electrons Anything in an electrical circuit that impedes the flow of current. This is a measure of the force or pressure under which electricity flows This is a measureme nt of electrical power created.
  133. 133. Which is the correct description of Watts? This is a measurement of the current flow rate of electrons Anything in an electrical circuit that impedes the flow of current. This is a measure of the force or pressure under which electricity flows This is a measureme nt of electrical power created.
  134. 134. Which is the correct description of Watts? This is a measurement of the current flow rate of electrons Anything in an electrical circuit that impedes the flow of current. This is a measure of the force or pressure under which electricity flows This is a measurement of electrical power created.
  135. 135. Which is the correct description of Watts? This is a measurement of the current flow rate of electrons Anything in an electrical circuit that impedes the flow of current. This is a measure of the force or pressure under which electricity flows This is a measurement of electrical power created.
  136. 136. • Georg Simon Ohm (1789 –1854) – Ohm found that there is a direct proportionality between voltage applied across a conductor and the resultant electric current.
  137. 137. • Georg Simon Ohm (1789 –1854) – Ohm found that there is a direct proportionality between voltage applied across a conductor and the resultant electric current. Learn more at.. http://www.allaboutcircuits.co m/vol_1/chpt_2/1.html
  138. 138.  Ohms: The measure of resistance in a circuit to the flow of an electric current.  The greater the ohm value the more difficult it is for current to flow through a given circuit.  A low ohm value represents a low resistance and the easy flow of current through a circuit Current
  139. 139.  Ohms: The measure of resistance in a circuit to the flow of an electric current.  The greater the ohm value the more difficult it is for current to flow through a given circuit.  A low ohm value represents a low resistance and the easy flow of current through a circuit Current I is used instead of C because C is already used for Coulombs.
  140. 140.  Ohms: The measure of resistance in a circuit to the flow of an electric current.  The greater the ohm value the more difficult it is for current to flow through a given circuit.  A low ohm value represents a low resistance and the easy flow of current through a circuit Current I is used instead of C because C is already used for Coulombs. I is amps and today, you may see A instead of I
  141. 141.  Ohms: The measure of resistance in a circuit to the flow of an electric current.  The greater the ohm value the more difficult it is for current to flow through a given circuit.  A low ohm value represents a low resistance and the easy flow of current through a circuit Current
  142. 142. • Ohms: The measure of resistance in a circuit to the flow of an electric current. – The greater the ohm value the more difficult it is for current to flow through a given circuit. – A low ohm value represents a low resistance and the easy flow of current through a circuit
  143. 143. • Ohms: The measure of resistance in a circuit to the flow of an electric current. – The greater the ohm value the more difficult it is for current to flow through a given circuit. – A low ohm value represents a low resistance and the easy flow of current through a circuit.
  144. 144. • Ohms: The measure of resistance in a circuit to the flow of an electric current. – The greater the ohm value the more difficult it is for current to flow through a given circuit. – A low ohm value represents a low resistance and the easy flow of current through a circuit.
  145. 145. • Ohms: The measure of resistance in a circuit to the flow of an electric current. – The greater the ohm value the more difficult it is for current to flow through a given circuit. – A low ohm value represents a low resistance and the easy flow of current through a circuit. Current and resistance are inversely proportional. As one goes up, the other goes down. Voltage = (I) Electricity times Resistance
  146. 146. • Ohms: The measure of resistance in a circuit to the flow of an electric current. – The greater the ohm value the more difficult it is for current to flow through a given circuit. – A low ohm value represents a low resistance and the easy flow of current through a circuit. Current and resistance are inversely proportional. As one goes up, the other goes down. Resistance = Voltage divided by Current (I)
  147. 147. • Video Link! Ohms Law (Optional) – Be proactive, record notes as he does. – http://www.youtube.com/watch?v=-mHLvtGjum4
  148. 148. • Please complete these questions on the available sheet.
  149. 149. • If 220 volts travel through a copper wire and the current is 36A, – What’s the resistance of the wire?
  150. 150. • If 220 volts travel through a copper wire and the current is 36A, – What’s the resistance of the wire?
  151. 151. • If 220 volts travel through a copper wire and the current is 36A, – What’s the resistance of the wire?
  152. 152. • If 220 volts travel through a copper wire and the current is 36A, – What’s the resistance of the wire?
  153. 153. • If 220 volts travel through a copper wire and the current is 36A, – What’s the resistance of the wire? V 220 R= ------ I
  154. 154. • If 220 volts travel through a copper wire and the current is 36A, – What’s the resistance of the wire? V 220 R= ------ --------- = 6.1 ohms I 36A
  155. 155. • If 220 volts travel through a copper wire and the current is 36A, – What’s the resistance of the wire? V 220 R= ------ --------- = 6.1 ohms I 36A
  156. 156. • If 220 volts travel through a copper wire and the current is 36A, – What’s the resistance of the wire? V 220 R= ------ --------- = 6.1 ohms I 36A
  157. 157. • Electricity flows through a wire much like water flows through a pipe.
  158. 158. • Electricity flows through a wire much like water flows through a pipe. – A force is required to drive it and resistance to is encountered, the flow of current is measured in amps
  159. 159. • Ohms Law Simulator at… – http://phet.colorado.edu/en/simulation/ohms-law
  160. 160. • Please complete these questions on the available sheet.
  161. 161. • A nine volt battery supplies power to a cordless drill with a resistance of 18 ohms. – How much current (I) is flowing through the drill?
  162. 162. • A nine volt battery supplies power to a cordless drill with a resistance of 18 ohms. – How much current (I) is flowing through the drill?
  163. 163. • A nine volt battery supplies power to a cordless drill with a resistance of 18 ohms. – How much current (I) is flowing through the drill?
  164. 164. • A nine volt battery supplies power to a cordless drill with a resistance of 18 ohms. – How much current (I) is flowing through the drill?
  165. 165. • A nine volt battery supplies power to a cordless drill with a resistance of 18 ohms. – How much current (I) is flowing through the drill? – Electric Current = Volts / Resistance
  166. 166. • A nine volt battery supplies power to a cordless drill with a resistance of 18 ohms. – How much current (I) is flowing through the drill? – Electric Current = Volts / Resistance – Electric Current = 9 / 18
  167. 167. • A nine volt battery supplies power to a cordless drill with a resistance of 18 ohms. – How much current (I) is flowing through the drill? – Electric Current = Volts / Resistance – Electric Current = 9 / 18 – Electric Current = .5 amps
  168. 168. V = I x R
  169. 169. V = I x R V = I x R R R V = I x R R R I = V R I = 9 18 I = .5 amps
  170. 170. • Please complete these questions on the available sheet.
  171. 171. • A Rude Monkey decided to stick his tongue to a 120 V outlet with 50,000 ohms of resistance? – How much current will he experience? V 120 V I = ----- ----------- = .0024A R 50,000 ohms
  172. 172. • A Rude Monkey decided to stick his tongue to a 120 V outlet with 50,000 ohms of resistance? – How much current will he experience?
  173. 173. • A Rude Monkey decided to stick his tongue to a 120 V outlet with 50,000 ohms of resistance? – How much current will he experience?
  174. 174. • A Rude Monkey decided to stick his tongue to a 120 V outlet with 50,000 ohms of resistance? – How much current will he experience? V 120 V I = ----- ----------- = .0024A R
  175. 175. • A Rude Monkey decided to stick his tongue to a 120 V outlet with 50,000 ohms of resistance? – How much current will he experience? V 120 V I = ----- ----------- = .0024A R 50,000 ohms
  176. 176. • A Rude Monkey decided to stick his tongue to a 120 V outlet with 50,000 ohms of resistance? – How much current will he experience? V 120 V I = ----- ----------- = .0024A R 50,000 ohms
  177. 177. • A Rude Monkey decided to stick his tongue to a 120 V outlet with 50,000 ohms of resistance? – How much current will he experience? V 120 V I = ----- ----------- = .0024A R 50,000 ohms
  178. 178. • A Rude Monkey decided to stick his tongue to a 120 V outlet with 50,000 ohms of resistance? – How much current will he experience? V 120 V I = ----- ----------- = .0024A R 50,000 ohms
  179. 179. • A 110 volt outlet supplies power to a strobe light with a resistance of 2600 ohms. – How much current is flowing through the strobe light? V 110 V I = ----- ----------- = .0423A R 2,600 ohms
  180. 180. • A 110 volt outlet supplies power to a strobe light with a resistance of 2600 ohms. – How much current is flowing through the strobe light? V 110 V I = ----- ----------- = .0423A R 2,600 ohms
  181. 181. • A 110 volt outlet supplies power to a strobe light with a resistance of 2600 ohms. – How much current is flowing through the strobe light? V 110 V I = ----- ----------- = .0423A R 2,600 ohms
  182. 182. • A 110 volt outlet supplies power to a strobe light with a resistance of 2600 ohms. – How much current is flowing through the strobe light? V 110 V I = ----- ----------- = .0423A R 2,600 ohms
  183. 183. • A 110 volt outlet supplies power to a strobe light with a resistance of 2600 ohms. – How much current is flowing through the strobe light? V 110 V I = ----- ----------- = .0423A R 2,600 ohms
  184. 184. • A 110 volt outlet supplies power to a strobe light with a resistance of 2600 ohms. – How much current is flowing through the strobe light? V 110 V I = ----- ----------- = .0423A R 2,600 ohms
  185. 185. • Please complete these questions on the available sheet.
  186. 186. • Video Link! Current, Voltage, Resistance – http://www.youtube.com/watch?v=J4Vq- xHqUo8
  187. 187. • Visit a more complex circuit simulator AC and DC • http://phet.colorado.edu/en/simulation/circ uit-construction-kit-ac
  188. 188. • Visit an online circuit builder if materials are not present. – http://phet.colorado.edu/en/simulation/circuit- construction-kit-dc
  189. 189.  Please record the symbols and their names below. Copyright © 2010 Ryan P. Murphy
  190. 190.  Please record the symbols and their names below. Copyright © 2010 Ryan P. Murphy
  191. 191.  Please record the symbols and their names below. Copyright © 2010 Ryan P. Murphy
  192. 192.  Please record the symbols and their names below. Copyright © 2010 Ryan P. Murphy
  193. 193.  Please record the symbols and their names below. Copyright © 2010 Ryan P. Murphy
  194. 194.  Please record the symbols and their names below. Copyright © 2010 Ryan P. Murphy
  195. 195.  Please record the symbols and their names below. Copyright © 2010 Ryan P. Murphy
  196. 196. • Activity – Creating a Circuit – Please create a circuit to light the light bulb with a switch. – Draw the circuit in your journal using the correct symbols. – Teacher to test voltage (record next to picture) – Label the following • Conductor • Insulator • Resistance • DC current • Coulomb’s Law Copyright © 2010 Ryan P. Murphy
  197. 197. • Electricity Available Sheet
  198. 198. • Possible answer to drawing a circuit. Copyright © 2010 Ryan P. Murphy
  199. 199. • Activity: Connecting all of the lights to create one large circuit. –Can we connect all of the lights along a chain? –What will happen if one light bulb goes out? –Can we wire it so if one bulb goes the whole string will stay lit.
  200. 200. • This will be you at some point in your life so pay attention.
  201. 201. • This will be you at some point in your life so pay attention.
  202. 202. • When you jump a car’s battery, ground the negative. – Avoid touching the cables together and notice the sequence, 1, 2, 3, 4. Copyright © 2010 Ryan P. Murphy
  203. 203. • When you jump a car’s battery, ground the negative. – Avoid touching the cables together and notice the sequence, 1, 2, 3, 4. Copyright © 2010 Ryan P. Murphy
  204. 204. • When you jump a car’s battery, ground the negative. – Avoid touching the cables together and notice the sequence, 1, 2, 3, 4. Copyright © 2010 Ryan P. Murphy
  205. 205. • When you jump a car’s battery, ground the negative. – Avoid touching the cables together and notice the sequence, 1, 2, 3, 4. Copyright © 2010 Ryan P. Murphy
  206. 206. • When you jump a car’s battery, ground the negative. – Avoid touching the cables together and notice the sequence, 1, 2, 3, 4. Copyright © 2010 Ryan P. Murphy
  207. 207. • Video! How to jumpstart a car. (Saab Ad?) – You will be driving soon, and may have to do this on your own. Is this an ad? – http://www.youtube.com/watch?v=li1PL6EpFF8
  208. 208.  Typical outlet for AC Copyright © 2010 Ryan P. Murphy
  209. 209.  Typical outlet for AC Copyright © 2010 Ryan P. Murphy
  210. 210.  Typical outlet for AC Copyright © 2010 Ryan P. Murphy
  211. 211.  Typical outlet for AC Copyright © 2010 Ryan P. Murphy
  212. 212. • Danger – Do not attempt electrical work until you have learned the safe and proper technique from a certified electrician. Copyright © 2010 Ryan P. Murphy
  213. 213. • Danger – Do not attempt electrical work until you have learned the safe and proper technique from a certified electrician. Copyright © 2010 Ryan P. Murphy
  214. 214. • Activity Challenge. • Visit this website and fill in the blanks correctly to demonstrate understanding. – http://education.jlab.org/reading/electrostatics.html
  215. 215. • http://sciencepowerpoint.comWebsite Link:
  216. 216. http://sciencepowerpoint.com/Energy_Topics_Unit.html Areas of Focus within The Matter, Energy, and the Environment Unit. There is no such thing as a free lunch, Matter, Dark Matter, Elements and Compounds, States of Matter, Solids, Liquids, Gases, Plasma, Law Conservation of Matter, Physical Change, Chemical Change, Gas Laws, Charles Law, Avogadro’s Law, Ideal Gas Law, Pascal’s Law, Viscosity, Archimedes Principle, Buoyancy, Seven Forms of Energy, Nuclear Energy, Electromagnet Spectrum, Waves / Wavelengths, Light (Visible Light), Refraction, Diffraction, Lens, Convex / Concave, Radiation, Electricity, Lightning, Static Electricity, Magnetism, Coulomb’s Law, Conductors, Insulators, Semi-conductors, AC and DC current, Amps, Watts, Resistance, Magnetism, Faraday’s Law, Compass, Relativity, Einstein, and E=MC2, Energy, First Law of Thermodynamics, Second Law of Thermodynamics, Third Law of Thermodynamics, Industrial Processes, Environmental Studies, The 4 R’s, Sustainability, Human Population Growth, Carrying Capacity, Green Design, Renewable Forms of Energy.
  217. 217. • Please visit the links below to learn more about each of the units in this curriculum – These units take me about four years to complete with my students in grades 5-10. Earth Science Units Extended Tour Link and Curriculum Guide Geology Topics Unit http://sciencepowerpoint.com/Geology_Unit.html Astronomy Topics Unit http://sciencepowerpoint.com/Astronomy_Unit.html Weather and Climate Unit http://sciencepowerpoint.com/Weather_Climate_Unit.html Soil Science, Weathering, More http://sciencepowerpoint.com/Soil_and_Glaciers_Unit.html Water Unit http://sciencepowerpoint.com/Water_Molecule_Unit.html Rivers Unit http://sciencepowerpoint.com/River_and_Water_Quality_Unit.html = Easier = More Difficult = Most Difficult 5th – 7th grade 6th – 8th grade 8th – 10th grade
  218. 218. Physical Science Units Extended Tour Link and Curriculum Guide Science Skills Unit http://sciencepowerpoint.com/Science_Introduction_Lab_Safety_Metric_Methods. html Motion and Machines Unit http://sciencepowerpoint.com/Newtons_Laws_Motion_Machines_Unit.html Matter, Energy, Envs. Unit http://sciencepowerpoint.com/Energy_Topics_Unit.html Atoms and Periodic Table Unit http://sciencepowerpoint.com/Atoms_Periodic_Table_of_Elements_Unit.html Life Science Units Extended Tour Link and Curriculum Guide Human Body / Health Topics http://sciencepowerpoint.com/Human_Body_Systems_and_Health_Topics_Unit.html DNA and Genetics Unit http://sciencepowerpoint.com/DNA_Genetics_Unit.html Cell Biology Unit http://sciencepowerpoint.com/Cellular_Biology_Unit.html Infectious Diseases Unit http://sciencepowerpoint.com/Infectious_Diseases_Unit.html Taxonomy and Classification Unit http://sciencepowerpoint.com/Taxonomy_Classification_Unit.html Evolution / Natural Selection Unit http://sciencepowerpoint.com/Evolution_Natural_Selection_Unit.html Botany Topics Unit http://sciencepowerpoint.com/Plant_Botany_Unit.html Ecology Feeding Levels Unit http://sciencepowerpoint.com/Ecology_Feeding_Levels_Unit.htm Ecology Interactions Unit http://sciencepowerpoint.com/Ecology_Interactions_Unit.html Ecology Abiotic Factors Unit http://sciencepowerpoint.com/Ecology_Abiotic_Factors_Unit.html
  219. 219. • The entire four year curriculum can be found at... http://sciencepowerpoint.com/ Please feel free to contact me with any questions you may have. Thank you for your interest in this curriculum. Sincerely, Ryan Murphy M.Ed www.sciencepowerpoint@gmail.com
  220. 220. • http://sciencepowerpoint.comWebsite Link:

×