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