3/14/11
Post date: Mar 14, 2011 3:57:21 PM
Bell ringer: What is physics?
Return and discuss finals
Set up new folders
Measurements
Are a form of observation
May provide evidence to help us formulate a theory
Accurate measurements help us make more accurate theories
The SI system (the metric system)
Used everywhere except USA, Malaysia, and Hong Kong
Used in SCIENCE
Uses prefixes to make larger or smaller increments
Distances
How far between two points
Basic unit is the meter (m)
For small measurements, we use the centimeter (1/100th of a meter) or the millimeter (1/1000th of a meter)
For large measurements, we use the kilometer (1000 meters)
To measure distance, we can use meter sticks and rulers
Bill Nye - Measurements
Conversion Factor Assignment (due tomorrow)
Fill in the blanks:
1. _______ centimeters in one meter
2. _______ inches in one foot
3. _______ feet in one mile
4. _______ meters in one kilometer
5. _______ seconds in one minute
6. _______ minutes in one hour
7. _______ hours in one day
8. _______ days in one year
9. _______ years in one century
10. _______ centimeters in one inch
11. _______ kilometers in one mile
12. _______ kilograms in one pound
13. _______ grams in one ounce
14. _______ liters in one gallon
15. _______ feet in one meter