3. Experimental measurements must not only be RELIABLE and ACCURATE but also must be easily understood by others

4. a decimal system of measurement based on 10 Units of SI used in this class: Kilo= 1000 centi= 1/100 or.01 deci= 1/10 or.1 milli= 1/1000 or.001

5. When Measuring…Use… length meters (m) volume (l x w x h) liter (L) mass grams (g) temperature Celsius (°C) *Mass is a measure of amount of matter in an object. *Weight is measure of gravitational force

6. centimeter millimeter 1 meter=100 centimeters (cm) 1 meter= 1000 millimeters (mm) 1 cm= 10mm

7. centimeterkilometermilligram millimetergramkilometer Celciusmeterliter milliliter length of the Mississippi River kilometer

8. centimeterkilometermilligram millimetergramkilometer Celciusmeterliter milliliter mass of a paper clip milligram

9. centimeterkilometermilligram millimetergramkilometer Celciusmeterliter milliliter mass of an elephant kilogram

10. centimeterkilometermilligram millimetergramkilometer Celciusmeterliter milliliter width of a fingernail millimeter

11. centimeterkilometermilligram millimetergramkilometer Celciusmeterliter milliliter width of a TV screen centimeter

12. centimeterkilometermilligram millimetergramkilometer Celciusmeterliter milliliter volume of juice in a paper cup milliliter

13. centimeterkilometermilligram millimetergramkilometer Celciusmeterliter milliliter mass of a bowl of cereal grams

14. centimeterkilometermilligram millimetergramkilometer Celciusmeterliter milliliter amount of salt in an order of french fries milligram

15. centimeterkilometermilligram millimetergramkilometer Celciusmeterliter milliliter amount of soda in a large plastic bottle liter

16. centimeterkilometermilligram millimetergramkilometer Celciusmeterliter milliliter temperature of a bowl of soup Celsius

17. is the mass of an object per unit volume (D=m/v). The unit for density is a combination of more than one fundamental unit and is therefore called a derived unit

18. The density of water is 1.0 g/mL If an object’s density is greater than 1.0 g/mL will it sink or float? http://www.explorelearning.com/index.cfm?method=cResource.dspV iew&ResourceID=17

19. Will a Diet Pepsi float or sink? Regular Pepsi? What do you base your answer on? What did you see? Were you correct in your predictions? Why or why not?

20. Do two candy bars have the same density?