1. Metric Measurements Portola Middle School 8 th Grade Physical Science Mr. Schmidt

2. Basic Units Basic Units:Basic Units: Gram – MassGram – Mass Liter – VolumeLiter – Volume Meter - DistanceMeter - Distance GramLiterMeter

3. Some Prefixes GramLiterMeter Basic Units Deka - 10 units Hecto - 100 units Kilo - 1,000 units Deci - 0.1 units Centi - 0.01 units Milli - 0.001 units To convert to a larger unit, move decimal one space over to the left. decimal one space over to the left. To convert to a smaller unit, move decimal one space over to the right. decimal one space over to the right.

4.  Convert Using The Ladder Method 1.) 1 kilometer = meters 2.) 1,000 milligrams = grams 3.) 1 liter = milliliters 4.) 200 centimeters = meters 5.) 500 meters = kilometers Prefixes: Kilo – 1,000Kilo – 1,000 Hecto – 100Hecto – 100 Deka – 10Deka – 10 Deci – 0.1Deci – 0.1 Centi – 0.01Centi – 0.01 Milli --.001Milli --.001 Using the Ladder Method

5. Warm-Up Question 1.How many centimeters are there in 1 meter? 2.How many milliliters are there in 1 liter? 3.How many meters are there in 4 kilometers?

6. Warm-Up Answer 1.How many centimeters are there in 1 meter? 1 meter = 100 centimeters

7. Warm-Up Answer 2. How many milliliters are there in 1 liter? 1,000 milliliters 1 Liter

8. Warm-Up Answers 3. How many meters are there in 4 kilometers? 1 kilometer = 1,000 meters The question asks for how many meters in 4 kilometers? What do we have to do? 4 x 1,000 meters = 4 kilometers

9. Metric System KEY VOCABULARY TERMS: 1. Motion – An object is in motion when its distance from another object is increasing. 2. Reference Point – A reference point is a place or object used for comparison to determine if something is in motion An object is in motion if it changes position relative to a reference point.

10. Metric System How Do We Measure Motion?  We use the INTERNATIONAL SYSTEM of UNITS (SI) What is the basic unit used for measuring LENGTH? the METER

11. Metric System Important Prefixes:  Kilo – One Thousand  Centi – One Hundre th  Milli – One Thousand th 1 meter = 1,000 millimeters 1 meter = 100 centimeters 1 centimeter = 10 millimeters 1,000 millimeters = 100 centimeters = 1 meter 1 kilometer = 1,000 meters For Extra Credit: How many centimeters are there in 1 kilometer? 100 centimeters x 1,000 meters = 100,000 centimeters

12. Metric System What is the basic unit used for measuring Mass? the GRAM Mass is the amount of matter in an object.

13. Metric System Important Prefixes:  Kilo – One Thousand  Centi – One Hundre th  Milli – One Thousand th 1 gram = 1,000 milligrams 1,000 grams = 1 kilogram 1 kilogram = 1,000 grams = ? milligrams For Extra Credit: How many milligrams are there in 1 kilogram? 1,000 grams x 1,000 milligrams = 1,000,000 milligrams

14. Metric System What is the basic unit used for measuring Volume? the LITER

15. Metric System Important Prefixes:  Kilo – One Thousand  Centi – One Hundre th  Milli – One Thousand th 1 Liter = 1,000 milliliters For Extra Credit: How many liters are in 1 kiloliter? 1 Liter x 1,000 = 1 kiloliter

16. Classwork 1. The Eiffel Tower is 300 meters tall. How tall is the Eiffel Tower in Centimeters? 2.What unit of length would you use to measure the distance between Paris and Rome? 3.What unit of mass would you use to measure the mass of: a.) Baseball b.) Person

17. Homework  Based on your knowledge and reasoning ability please answer the following questions: 1.What does each unit represent. a.) mm = b.) cm = c.) mL = d.) km = 2. How much does each one equal? a.) 1 m = cmb.) 1 cm = mm c.) 1 L = mLd.) 100 mm = cm 3. Which measurement is the largest. (Circle your answer) a.) 145 m or 145 kmb.) 150 cm or 150 m c.) 2 liters or 1,500 mLd.) 2,000 g or 2 kg

18. Classwork Answers 1. The Eiffel Tower is 300 meters tall. How tall is the Eiffel Tower in Centimeters? 2.What unit of length would you use to measure the distance between Paris and Rome? 3.What unit of mass would you use to measure the mass of: a.) Baseball b.) Person 1 meter = 100 centimeters 300 meters = 30,000 cm Kilometers Grams Kilograms

19. Homework  Based on your knowledge and reasoning ability please answer the following questions: 1.What does each unit represent. a.) mm = millimeter b.) cm = centimeter c.) mL = milliliterd.) km = kilometer 2. How much does each one equal? a.) 1 m = 100cmb.) 1 cm = 10mm c.) 1 L = 1,000mLd.) 100 mm = 10cm 3. Which measurement is the largest. (Circle your answer) a.) 145 m or 145 kmb.) 150 cm or 150 m c.) 2 liters or 1,500 mLd.) 2,000 g or 2 kg 2,000g = 2kg