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Warm up 4/12/13

Warm up 4/12/13. Question : Where does an object on a rollercoaster have the most kinetic energy? Answer: At the lowest point on the rollercoaster. Goal: I will learn about energy transformations. Element of the day. 63 – Europium – Eu

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Warm up 4/12/13

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  1. Warm up 4/12/13 • Question: Where does an object on a rollercoaster have the most kinetic energy? • Answer: • At the lowest point on the rollercoaster. • Goal: I will learn about energy transformations

  2. Element of the day • 63 – Europium – Eu • Europium is named for the continent of Europe. 4 elements are named after countries – germanium (32), polonium (84), francium (87) and americium (95). • Europium is used in phosphorescent paint (glow in the dark). • Europium vapors are also used in old CRT (cathode-ray tube) TVs – it was the element that took TVs from having shoddy color to vibrant colors with its bright reds. They are also used in CFL bulbs.

  3. Last call for late work. • Review Murray • Review rollercoaster lab • Notes • How does energy change? • GR 7.2 & 7.3 • Tonight’s HW • GR 7.2/7.3 • Ch 7 Quiz next Friday Agenda / HW

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