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Warm up 02-21-14

Warm up 02-21-14. Question: What is acceleration? Answer: A change in velocity (speeding up, slowing down, changing direction) Goal: I will learn about acceleration. Element of the day. 63 – Europium – Eu

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Warm up 02-21-14

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  1. Warm up 02-21-14 • Question: What is acceleration? • Answer: • A change in velocity (speeding up, slowing down, changing direction) • Goal: I will learn about acceleration.

  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. Warm up • Review position vs. time graphs. • Acceleration notes • Acceleration problems & graphs • Tonight’s HW • Pg 35-38 Agenda / HW

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