Upcoming SlideShare
×

# 1.3 notes

• 279 views

• Comment goes here.
Are you sure you want to
Be the first to comment
Be the first to like this

Total Views
279
On Slideshare
0
From Embeds
0
Number of Embeds
0

Shares
1
0
Likes
0

No embeds

### Report content

No notes for slide

### Transcript

• 1. CH 1-3 Measurement
• 2. Scientific notation is used for very large or very small numbers 3.0 X 10 n
• 3. SI units of measure
• Scientist use a set of measuring units called SI or International System of Units
• This helps scientist from different countries understand each others research
• 4. Basic Units of Measure Candela- cd Luminous intensity Ampere- A Electric current Mole- m Amount of substance Second- s Time Kelvin- K Temperature Kilogram- kg Mass Meter - M Length
• 5. Derived Units 2 3 2 2 2 2 2 m/s Acceleration (a) kg*m/s Force- Newton (N) kg*m/s Energy- Joule (J) m/s Speed (V) kg/m Density m Volume m Area
• 6. SI Prefixes hundredth .01 c centi tenth .1 d deci thousand 1,000 k kilo million 1,000,000 M mega billion 1,000,000,000 G giga Meaning Multiple Symbol Prefix
• 7. Limits to Measurement
• Significant figures show how accurately something has been measured.
• The precision of a calculated answer is limited to the precise measure with the least significant figures.
• 8. Accuracy
• Is the closeness of a measurement to the actual value of what is being measured
• TEMPERATURE
• To convert temperature to Kelvins you add 273 to C
• 9. Problems
• What is the boiling point of water in Kelvins?
• Convert 12Kg to g
• Convert 5mL to L
• You get to school at 7:23 and leave at 3:45 how long were you at school?
• You have a temperature of 101 F how many Kelvins is it?