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Understanding Acceleration and the Role of Europium in Technology

This lesson focuses on the concept of acceleration, defined as a change in velocity, which can involve speeding up, slowing down, or changing direction. Students will learn about acceleration through notes and problems related to position vs. time graphs. Additionally, we will explore Europium, an element named after Europe, noted for its role in enhancing color vibrancy in old CRT TVs and its application in phosphorescent paint and CFL bulbs. Homework will cover pages 35-38, reinforcing today's topics.

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Understanding Acceleration and the Role of Europium in Technology

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Presentation Transcript

  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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