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9/8 & 9/10 - 7 th Grade Agenda

9/8 & 9/10 - 7 th Grade Agenda. Collect HW: Metrics Worksheet #1 & Signed Syllabus Metrics Lesson Continued Power of 10 Video HW: Metrics Worksheet #2 HW: Poster of Science due 9/17 & 9/18 (20 points). Loose 1 point if you don’t put your First Name and Last Name on your assignment.

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9/8 & 9/10 - 7 th Grade Agenda

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  1. 9/8 & 9/10 - 7th Grade Agenda Collect HW: Metrics Worksheet #1 & Signed Syllabus Metrics Lesson Continued Power of 10 Video HW: Metrics Worksheet #2 HW: Poster of Science due 9/17 & 9/18 (20 points)

  2. Loose 1 point if you don’t put your First Name and Last Name on your assignment.

  3. Class Reading – Making Measurements p.672

  4. What is the standard system of measurement used by scientist around the world? • S_______ I______________ • SI • International System of Units • Metric System ystem nternational

  5. What is the SI unit for measuring length? eter • M____________

  6. What is the SI unit for measuring Liquid Volume? iter • L____________

  7. What is the SI unit for measuring Mass? ram • G____________

  8. What is the SI unit for measuring Temperature? elsius • C____________

  9. How do we measure smaller and larger objects in SI units? Through Prefixes Kilo- X1000 Hecto- X100 Deca- X10 Deci- 1/10 Centi- 1/100 Milli- 1/1000

  10. Here is another way to remember the prefixes King Henry Does Drink Chocolate Milk Kilo- X1000 Hecto- X100 Deca- X10 Deci- 1/10 Centi- 1/100 Milli- 1/1000

  11. How many meter in a kilometer? 1000 meter Kilo- X1000 Hecto- X100 Deca- X10 Deci- 1/10 Centi- 1/100 Milli- 1/1000

  12. How many meter in a centimeter? 1/100 meter Kilo- X1000 Hecto- X100 Deca- X10 Deci- 1/10 Centi- 1/100 Milli- 1/1000

  13. How big is a meter? Width of a Fingernail Thickness of a dime Little more than ½ mile Height of a door handle

  14. How big is 1 millimeter? Width of a Fingernail Thickness of a dime Little more than ½ mile Height of a door handle

  15. How big is 1 centimeter? Width of a Fingernail Thickness of a dime Little more than ½ mile Height of a door handle

  16. How big is 1 kilometer? Width of a Fingernail Thickness of a dime Little more than ½ mile Height of a door handle

  17. Which side of the ruler measures metric units? The side with the smaller lines measures in metric units The side with the larger lines measures in inches

  18. How much is 1 cm? This is 1 cm

  19. How much is 1 mm? 1 mm are the small unnumbered lines

  20. Is this the correct way to measure the length of the pencil? No! Measurement should start with the beginning of the “Tick” marks

  21. How do we convert from Centimeter to Decimeter? For every step upward on the chart you are dividing by 10 or moving the decimal one place to the left.. 10 ? 100 Centimeter = _____ Decimeter

  22. How do we convert from Kilometer to Meter? For every step downward on the chart you are multiplying by 10 or moving one place value to the right. 100,000 ? 100 Kilometer = _________ Meter

  23. The sun is about 150,000,000,000 meters from earth • What is another way to write the same number without writing all the zeros? • Power or 10 • 15 X 10 meters ? 10

  24. Powers of 10 103= 1000 100 102= 10 101= 100= 1 .1 10-1= 10-2= .01 10-3= .001

  25. Why should we use the metric system or System International? • All the countries around the world including United States uses the metric system • Its easier to divide or multiply by 10 than by 12 or 5280 (i.e. English System)

  26. Power of 10 Video

  27. HW: Metrics Worksheet #2

  28. Power of 10 Website • http://micro.magnet.fsu.edu/primer/java/scienceopticsu/powersof10/

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