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Magnetism PowerPoint, Physical Science Lesson
 

Magnetism PowerPoint, Physical Science Lesson

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an de graaff generator lesson powerpoint, Electricity, Static Electricity

an de graaff generator lesson powerpoint, Electricity, Static Electricity

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    Magnetism PowerPoint, Physical Science Lesson Magnetism PowerPoint, Physical Science Lesson Presentation Transcript

    • • Activity! Building a small electric engine. • F.) Attach an cable clips to each paper clip just above the rubber band.
    • • RED SLIDE: These are notes that are very important and should be recorded in your science journal. Copyright © 2010 Ryan P. Murphy
    • -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 
    • • 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
    • • Electricity Available Sheet
    • • Electricity Available Sheet
    •  Electric Fields: The funky area near any electrically-charged object.  Replace electrostatic for funky. Copyright © 2010 Ryan P. Murphy
    •  Electric Fields: The funky area near any electrically-charged object.  Replace electrostatic for funky. Copyright © 2010 Ryan P. Murphy
    •  Electric Fields: The funky area near any electrically-charged object.  Replace electrostatic for funky. Copyright © 2010 Ryan P. Murphy
    • • Visit a magnetic field simulator. http://phet.colorado.edu/en/simulation/mag nets-and-electromagnets
    • Copyright © 2010 Ryan P. Murphy
    •  Opposite charges attract. Copyright © 2010 Ryan P. Murphy
    •  Opposite charges attract. Copyright © 2010 Ryan P. Murphy
    •  The Same forces repel. Copyright © 2010 Ryan P. Murphy
    •  The Same forces repel. Copyright © 2010 Ryan P. Murphy
    • • Which one is right and which is wrong? Copyright © 2010 Ryan P. Murphy
    • • Which one is right and which is wrong? • Answer: They are both wrong. Copyright © 2010 Ryan P. Murphy
    • • Which one is right and which is wrong? • Answer: They are both wrong. Copyright © 2010 Ryan P. Murphy
    • • Which one is right and which is wrong? • Answer: They are both wrong. Copyright © 2010 Ryan P. Murphy
    • • Which one is right and which is wrong? • Answer: They are both wrong. Copyright © 2010 Ryan P. Murphy
    • • Which one is right and which is wrong? • Answer: They are both wrong. Copyright © 2010 Ryan P. Murphy
    • • Which one is right and which is wrong? • Answer: They are both wrong. Copyright © 2010 Ryan P. Murphy
    • • Which one is right and which is wrong? • Answer: Now they’re both right. Copyright © 2010 Ryan P. Murphy
    • • Activity Simulation. Magnetic Field Hockey • http://phet.colorado.edu/en/simulation/electr ic-hockey
    • Reminder to teacher to reset the arrows!
    • • Magnet: An object that is surrounded by a magnetic field and that has the property, either natural or induced, of attracting iron or steel.
    • • Magnet: An object that is surrounded by a magnetic field and that has the property, either natural or induced, of attracting iron or steel.
    • • Magnet: An object that is surrounded by a magnetic field and that has the property, either natural or induced, of attracting iron or steel.
    • • Activity! Fun with Magnets for 2:39 seconds then we are moving on. – The class can earn additional “play time” with good behavior.
    • • Activity! Fun with Magnets for 2:39 seconds then we are moving on. – The class can earn additional “play time” with good behavior.
    • • Ferrofluids Video Link! (Optional) – http://www.youtube.com/watch?v=kL8R8SfuXp 8&feature=related
    • • Activity. The Fonz – Try and pick up paper hole punches with a plastic comb. – Next run the comb through your hair and over your clothes to collect a charge. – Try again. What happened?
    •  New Area of Focus: Magnetism Copyright © 2010 Ryan P. Murphy
    •  Magnetism: The force produced by a magnetic field. Electric charges in motion. Copyright © 2010 Ryan P. Murphy
    •  A magnet is an object or a device that gives off an external magnetic field. Copyright © 2010 Ryan P. Murphy
    •  A magnet is an object or a device that gives off an external magnetic field. Copyright © 2010 Ryan P. Murphy
    • • Demonstration – Iron filings over a magnetic field – Sprinkle iron filings on a piece of paper. – Create the two poles a magnetic field with a magnetic from underneath the paper. – Identify the magnetic fields with a visual in your journal. Copyright © 2010 Ryan P. Murphy
    • • Demonstration – Iron filings over a magnetic field – Sprinkle iron filings on a piece of paper. – Create the two poles a magnetic field with a magnetic from underneath the paper. – Identify the magnetic fields with a visual in your journal. Copyright © 2010 Ryan P. Murphy
    • • Demonstration – Iron filings over a magnetic field – Sprinkle iron filings on a piece of paper. – Create the two poles a magnetic field with a magnetic from underneath the paper. – Identify the magnetic fields with a visual in your journal. Copyright © 2010 Ryan P. Murphy
    • • Demonstration – Iron filings over a magnetic field – Sprinkle iron filings on a piece of paper. – Create the two poles a magnetic field with a magnetic from underneath the paper. – Identify the magnetic fields with a visual in your journal. Copyright © 2010 Ryan P. Murphy
    • • Demonstration – Iron filings over a magnetic field – Sprinkle iron filings on a piece of paper. – Create the two poles a magnetic field with a magnetic from underneath the paper. – Identify the magnetic fields with a visual in your journal. Copyright © 2010 Ryan P. Murphy
    • • Demonstration – Iron filings over a magnetic field – Sprinkle iron filings on a piece of paper. – Create the two poles a magnetic field with a magnetic from underneath the paper. – Identify the magnetic fields with a visual in your journal. Copyright © 2010 Ryan P. Murphy
    • • Demonstration – Iron filings over a magnetic field. Answer to visual! – Sprinkle iron filings on a piece of paper. – Create the two poles a magnetic field with a magnetic from underneath the paper. – Identify the magnetic fields with a visual in your journal. Copyright © 2010 Ryan P. Murphy
    • • The term magnetism is derived from Magnesia, the name of a region in Asia Minor where lodestone, a naturally magnetic iron ore, was found in ancient times. Copyright © 2010 Ryan P. Murphy
    • • Magnet: An object that is surrounded by a magnetic field and that has the property, either natural or induced, of attracting iron or steel.
    • • Magnet: An object that is surrounded by a magnetic field and that has the property, either natural or induced, of attracting iron or steel.
    • • Magnet: An object that is surrounded by a magnetic field and that has the property, either natural or induced, of attracting iron or steel.
    • • The spinning inner cores of solid and liquid Iron creates a giant electromagnetic field. Copyright © 2010 Ryan P. Murphy
    • • The EM field creates a kind of force field against charged particles from hitting Earth. Copyright © 2010 Ryan P. Murphy
    • • The EM field creates a kind of force field against charged particles from hitting Earth. Copyright © 2010 Ryan P. Murphy
    • • The EM field creates a kind of force field against charged particles from hitting Earth. Copyright © 2010 Ryan P. Murphy
    • • The EM field creates a kind of force field against charged particles from hitting Earth. Copyright © 2010 Ryan P. Murphy
    • • The EM field creates a kind of force field against charged particles from hitting Earth. Copyright © 2010 Ryan P. Murphy
    • • This would be our Earth without the protective electromagnetic field created by our spinning core. Copyright © 2010 Ryan P. Murphy
    • • Earth Available Sheet, Formation, Seasons, EM Field, Phases of the Moon.
    • • Activity! Drawing the earth’s EM Field.
    • • Activity! Drawing the earth’s EM Field. EM Field refers to Electromagnetic
    • • Activity! Drawing the earth’s EM Field. EM Field refers to Electromagnetic
    • • Activity! Drawing the earth’s EM Field. – Pass out a paper plate to everyone. – Draw a Earth about the size of a golf ball in the center. – Spread iron filings all around the plate.
    • • Activity! Drawing the earth’s EM Field. – Spread iron filings all around the plate. – From below, place a magnet beneath the earth and record the magnetic field that is created.
    • • Activity! Drawing the earth’s EM Field. – Spread iron filings all around the plate. – From below, place a magnet beneath the earth and record the magnetic field that is created. – Sketch the magnetic field / directions of the iron filings.
    • • Activity! Drawing the earth’s EM Field. – Spread iron filings all around the plate. – From below, place a magnet beneath the earth and record the magnetic field that is created. – Sketch the magnetic field / directions of the iron filings.
    • • Activity! Drawing the earth’s EM Field. – Spread iron filings all around the plate. – From below, place a magnet beneath the earth and record the magnetic field that is created. – Sketch the magnetic field / directions of the iron filings.
    • • Activity! Drawing the earth’s EM Field. – Spread iron filings all around the plate. – From below, place a magnet beneath the earth and record the magnetic field that is created. – Sketch the magnetic field / directions of the iron filings. Copy your sketch into you science journal and label as the EM Field
    • • Electromagnetic field protects the earth from charged particles. – It also creates the Aurora borealis (Northern Lights)
    • Earths EM field. Learn more: http://image.gsfc.nasa.gov/poetry/ magnetism/magnetism.html
    • • Video Link. Aurora borealis – http://www.youtube.com/watch?v=FcfWsj9OnsI – It needs music http://www.youtube.com/watch?v=OPFr1nVwwsA
    • • Most of the atmosphere that use to be on Mars, as well as the abundance of liquid water is now gone because of the planets weakened EM field.
    • • Most of the atmosphere that use to be on Mars, as well as the abundance of liquid water is now gone because of the planets weakened EM field. – Solar winds blew them away.
    • Compass: A navigational instrument for determining direction relative to the earth's magnetic poles. Copyright © 2010 Ryan P. Murphy
    • Compass: A navigational instrument for determining direction relative to the earth's magnetic poles. Copyright © 2010 Ryan P. Murphy
    • • The magnetic poles of the earth have shifted throughout Earth’s history. Copyright © 2010 Ryan P. Murphy
    • • The magnetic poles of the earth have shifted throughout Earth’s history. Copyright © 2010 Ryan P. Murphy Magnetism. Learn More http://www.school- for-champions.com/science/magnetism.htm
    • • How to hold the compass and your posture is very important to get correct bearings. • Copyright © 2010 Ryan P. Murphy
    • • Activity! Learning to use a compass. – Put “Red Fred in the shed” – Put “Black Jack in the shack” Copyright © 2010 Ryan P. Murphy
    • • Activity! Learning to use a compass. – Put “Red Fred in the shed” – Put “Black Jack in the shack” Copyright © 2010 Ryan P. Murphy
    • • Activity! Learning to use a compass. – Put “Red Fred in the shed” – Put “Black Jack in the shack” Copyright © 2010 Ryan P. Murphy Red Fred
    • • Activity! Learning to use a compass. – Put “Red Fred in the shed” – Put “Black Jack in the shack” Copyright © 2010 Ryan P. Murphy Red Fred Shed
    • • Activity! Learning to use a compass. – Put “Red Fred in the shed” – Put “Black Jack in the shack” Copyright © 2010 Ryan P. Murphy Red Fred Shed
    • • Activity! Learning to use a compass. – Put “Red Fred in the shed” – Put “Black Jack in the shack” Copyright © 2010 Ryan P. Murphy Red Fred Shed
    • • Activity! Learning to use a compass. – Put “Red Fred in the shed” – Put “Black Jack in the shack” Copyright © 2010 Ryan P. Murphy Shed
    • • Video Link! Using a Compass – http://www.youtube.com/watch?v=6mTISEANFFY Copyright © 2010 Ryan P. Murphy Shed Follow direction arrow when Red Fred is in the Shed
    • • Going outside to use the compass. – Find 0 degrees / North (hold and face) – Mark ground at feet with object. – Turn dial to 120 degrees, (Put Red Fred in the shed.) – Face and sight a target, take 30 steps keeping red Fred in shed. • Follow the red arrow when Red Fred is in the shed. – Turn dial to 240 degrees (Put Red Fred in the shed) – Face and sight a target, take 30 steps keeping red Fred in shed. – Turn dial to 360 degrees / North (Red Fred It) – Face and sight a target, take 30 steps keeping red Fred in shed. – How close were you? Copyright © 2010 Ryan P. Murphy
    • • Activity! (Optional) Participate in an Orienteering Course or create your own. Copyright © 2010 Ryan P. Murphy “Do you see the Owl?”
    • • Activity! (Optional) Participate in an Orienteering Course or create your own. Copyright © 2010 Ryan P. Murphy “Yah,” “He’s that way.”
    • • Activity – Magnets Copyright © 2010 Ryan P. Murphy
    • • Activity – Magnets • Please use the magnets and demonstrate the following (Show me as I walk around) Copyright © 2010 Ryan P. Murphy
    • • Activity – Magnets • Please use the magnets and demonstrate the following (Show me as I walk around) – Opposite poles attract Copyright © 2010 Ryan P. Murphy
    • • Activity – Magnets • Please use the magnets and demonstrate the following (Show me as I walk around) – Opposite poles attract – Same poles repel Copyright © 2010 Ryan P. Murphy
    • • Activity – Magnets • Please use the magnets and demonstrate the following (Show me as I walk around) – Opposite poles attract – Same poles repel – Electromagnetic field Copyright © 2010 Ryan P. Murphy
    • • Demonstration -Iron (Fe) is a very common magnet. – Neodymium magnets are some of the strongest on Earth. Copyright © 2010 Ryan P. Murphy
    •  Faraday's Law: The changing of a magnetic field can create voltage. Copyright © 2010 Ryan P. Murphy
    •  Faraday's Law: The changing of a magnetic field can create voltage. Copyright © 2010 Ryan P. Murphy
    • • Electrical motors and generators use this law. Magnets and Electricity Copyright © 2010 Ryan P. Murphy
    • • Electrical motors and generators use this law. Magnets and Electricity Copyright © 2010 Ryan P. Murphy
    • • Electrical motors and generators use this law. Magnets and Electricity – How many products can we mention? Copyright © 2010 Ryan P. Murphy
    • • Activity Simulator. Faraday’s Law and introduction to electromagnets. • http://phet.colorado.edu/en/simulation/faraday
    • • An electric motor uses the attraction and repelling properties of magnets to create motion.
    • • Electric motors use a permanent magnet and temporary magnet.
    • • Electric motors use a permanent magnet and temporary magnet.
    • • Electric motors use a permanent magnet and temporary magnet. – The permanent magnetic has a north and south Pole.
    • • Electric motors use a permanent magnet and temporary magnet. – The permanent magnetic has a north and south Pole. – The temporary magnet is a special magnet called an electromagnet. It is created by passing an electric current through a wire.
    • • The motor works by passing an electric current through a wire.
    • • The motor works by passing an electric current through a wire. – The permanent magnet has a magnetic field (north pole and south pole) all of the time.
    • • The motor works by passing an electric current through a wire. – The permanent magnet has a magnetic field (north pole and south pole) all of the time.
    • • The motor works by passing an electric current through a wire. – The permanent magnet has a magnetic field (north pole and south pole) all of the time. – The electromagnet only has a magnetic field when current is flowing through the wire.
    • • The motor works by passing an electric current through a wire. – The permanent magnet has a magnetic field (north pole and south pole) all of the time. – The electromagnet only has a magnetic field when current is flowing through the wire.
    • • The strength of the electromagnet's magnetic field can be increased by increasing the current through the wire, or by forming the wire into multiple loops.
    • • When the battery is not connected, the temporary magnet (loop / electromagnet) sits in the magnetic field of the permanent magnet.
    • • When the battery is not connected, the temporary magnet (loop / electromagnet) sits in the magnetic field of the permanent magnet. – When you connect the battery the temporary magnetic field interacts with the permanent magnetic field.
    • • When the battery is not connected, the temporary magnet (loop / electromagnet) sits in the magnetic field of the permanent magnet. – When you connect the battery the temporary magnetic field interacts with the permanent magnetic field. – Attracting and repelling forces created.
    • • When the battery is not connected, the temporary magnet (loop / electromagnet) sits in the magnetic field of the permanent magnet. – When you connect the battery the temporary magnetic field interacts with the permanent magnetic field. – Attracting and repelling forces created. – These forces push the temporary magnet (loop) which can spin freely.
    • • Video Link and Directions. • How to make a simple electric motor • http://www.youtube.com/watch?v=ziWUmI UcR2k
    • • Activity! Building a small electric engine. • A.) Coil the wire around the D battery many times. Remove the coil and wrap the ends around two sides of the coil to hold it in place. Leave 4 inches of wire on each end.
    • • Activity! Building a small electric engine. • B.) Strip both ends of the wire coil leads.
    • • Activity! Building a small electric engine. • B.) Strip both ends of the wire coil leads. Hold the coil vertically and coat one half of one lead with a permanent marker. Apply a second coat of ink a few minutes later.
    • • Activity! Building a small electric engine. • C.) Turn plastic cup upside down and place magnets to the top and bottom of cup.
    • • Activity! Building a small electric engine. • D.) Straighten the outside ends of both paper clips to form a “P.” Attach the paper clips to the cup using several rubber bands.
    • • Activity! Building a small electric engine. • E.) Balance the coil in the paper clip loop. Adjust the height so the coil is very close to the magnets when it spins.
    • • Activity! Building a small electric engine. • F.) Attach an cable clips to each paper clip just above the rubber band.
    • • Activity! Building a small electric engine. • G.) Connect the D-cell battery to the coil with clips. Give the coil a gentle spin.
    • • Activity! Building a small electric engine. • H.) Make adjustments, modifications and anything else to make it work.
    • Another version of the motor. Neodymium Magnet
    • • Okay, So how does it work? Which one is correct? • A.) The magnetic force from the battery combined with the hoop spins the ring counter clockwise. • B.) The hoop creates a Faraday cage and the extra electrons spin the hoop counter clockwise. • C.) Charges moving through a magnetic field experience a push dependent upon the direction of the magnetic field. • D.) The earth’s magnetic field is turned on when you connect the battery and spins Northward. • E.) Electrons get excited when they go around the copper wire loops. This excited state spins the loop against the electron gradient.
    • • Okay, So how does it work? Which one is correct? And the answer is… • A.) The magnetic force from the battery combined with the hoop spins the ring counter clockwise. • B.) The hoop creates a Faraday cage and the extra electrons spin the hoop counter clockwise. • C.) Charges moving through a magnetic field experience a push dependent upon the direction of the magnetic field. • D.) The earth’s magnetic field is turned on when you connect the battery and spins Northward. • E.) Electrons get excited when they go around the copper wire loops. This excited state spins the loop against the electron gradient.
    • • Okay, So how does it work? Which one is correct? And the answer is… • A.) The magnetic force from the battery combined with the hoop spins the ring counter clockwise. • B.) The hoop creates a Faraday cage and the extra electrons spin the hoop counter clockwise. • C.) Charges moving through a magnetic field experience a push dependent upon the direction of the magnetic field. • D.) The earth’s magnetic field is turned on when you connect the battery and spins Northward. • E.) Electrons get excited when they go around the copper wire loops. This excited state spins the loop against the electron gradient.
    • • Answer: It works on the principal of Faraday's Law of electromagnetic induction. This force depends on the direction of the magnetic field. Because the wire is stripped on one side, it alternates the current from on to off every 1/2 rotation. • Halfway through the spin, the ring gets current and receives a boost.
    • • Answer: It works on the principal of Faraday's Law of electromagnetic induction. A current-carrying conductor generates a magnetic field; when this is placed in between the poles of a strong magnet, it generates rotational motion. – This force depends on the direction of the magnetic field. Because the wire is stripped on one side, it alternates the current from on to off every 1/2 rotation. • Halfway through the spin, the ring gets current and receives a boost.
    • • Answer: It works on the principal of Faraday's Law of electromagnetic induction. A current-carrying conductor generates a magnetic field; when this is placed in between the poles of a strong magnet, it generates rotational motion. – This force depends on the direction of the magnetic field. Because the wire is stripped on one side, it alternates the current from on to off every 1/2 rotation. • Halfway through the spin, the ring gets current and receives a boost.
    • • Answer: It works on the principal of Faraday's Law of electromagnetic induction. A current-carrying conductor generates a magnetic field; when this is placed in between the poles of a strong magnet, it generates rotational motion. – This force depends on the direction of the magnetic field. Because the wire is stripped on one side, it alternates the current from on to off every 1/2 rotation. • Halfway through the spin, the ring gets current and receives a boost.
    •  Electromagnets: By running electric current through a wire, you can create a magnetic field. Copyright © 2010 Ryan P. Murphy
    •  Electromagnets: By running electric current through a wire, you can create a magnetic field. Copyright © 2010 Ryan P. Murphy
    • • The advantage of an electromagnet is that you can turn it on and off. Copyright © 2010 Ryan P. Murphy
    • • We created an electromagnet when we created our electric motor.
    • • Please record this spreadsheet in your journal. Size of battery Number of paper clips collected AA Trial___________ Trial___________ Trial______________ D Trial___________ Trial___________ Trial______________
    • • Activity – Building an electromagnet – Draw the finished product in journal. – How many paper clips can it pick up with AA and then D battery? Why? – Practice turning on / off with the magnet by transporting paperclips to the empty cup. Copyright © 2010 Ryan P. Murphy Electromagnets. Learn more. http://www.howstuffworks.com/electromagnet.htm
    • • You should be close to page 8 in your bundle.
    • • Video Link! Electricity Review • http://www.youtube.com/watch?v=D2mon VkCkX4
    • • http://sciencepowerpoint.comWebsite Link:
    • 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.
    • • 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
    • 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
    • • 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
    • • http://sciencepowerpoint.comWebsite Link: