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Warm up 03-25-14

Warm up 03-25-14. Question: Acceleration is directly proportional to … Answer: …the net force on the object. Goal: I will learn to do word problems with Newton’s 2 nd law. Element of the day. 80 – Mercury – Hg

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Warm up 03-25-14

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  1. Warm up 03-25-14 • Question: Acceleration is directly proportional to … • Answer: • …the net force on the object. • Goal: I will learn to do word problems with Newton’s 2nd law.

  2. Element of the day • 80 – Mercury – Hg • Mercury is an incredibly dense liquid metal at room temperatures. So dense that you can float a cannon ball made of lead in it, and if a person got into a bath of mercury, they’d only sink a few inches in before floating. • Mercury is incredibly toxic, but acts slowly, so it took us hundreds of years to realize it. It attacks the central nervous system and leads to various neurological problems and madness. • Mercury accumulates in body tissues and can work its way up food chains.

  3. Warm up • Quizzes • Demos • Review HW • Prep lab 6A • 2ndlaw problems (8-9) • Tonight’s HW • Pgs17-18 Agenda / HW

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