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Unit 2 continued

Unit 2 continued. 9/27/10 – end of unit. Bell work. Have you performed density calculations in the past? What is the formula for density? Why do you think we measure density? . Agenda. Bell work Density overview Revisit metric to metric conversions Practice metric to metric conversions

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Unit 2 continued

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  1. Unit 2 continued 9/27/10 – end of unit

  2. Bell work • Have you performed density calculations in the past? What is the formula for density? Why do you think we measure density?

  3. Agenda • Bell work • Density overview • Revisit metric to metric conversions • Practice metric to metric conversions • Practice quiz • Homework: Complete practice quiz/study Quiz next class!!

  4. Density • Density = mass / volume (d = m/V) • I have an object with a mass of 15 g and a volume of 10 cm3 . What is its density? • I have an object with a volume of 20 mL and a mass of 10 g. What is its density? • I have an object with a density of 2 g/mL and a volume of 8 mL. What is its mass? • I have an object with a mass of 50 g and a density of 100 g/cm3. What volume does it occupy?

  5. Metric to Metric conversions • Flash cards • Stair step • Practice • Pass back previous work and ask questions

  6. Prefixes

  7. Bell work • Turn in your practice quiz • On a scale of 1-10, how confident do you feel about this quiz? What are some topics you feel you have mastered? What are some topics with which you are having difficulty ? • ***If your homework or calculator is in your locker, go get it before the bell rings!!***

  8. Agenda • Bell work • Review • Quiz • Quiz debrief • Homework: Unit conversions bingo problem set

  9. Review • Write the conversion factors for the following: ____ km = ____ m ____ mL = ____ L ____ ng = _____ g ____ Mm = ____ m • Use the conversions factors to complete the following conversions: 5 m = ____ km 8 L = _____ mL 78 ng = ____ g 600 Mm = ____ m • If you finish before time is up, review the rest of your material quietly.

  10. Review • Choose a partner • Review your practice quiz

  11. Quiz • When you are finished with the quiz, flip it over and complete your quiz debrief. • When you are finished with both of those, begin working on your homework or other work that you brought with you. • The unit conversions bingo problem set is due next class. Show your work and include your units! • For conversion #5, you have all the information you need. Yes, I am sure. Think of SI prefixes.

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