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SC300: Big Ideas in Science: From Methods to Mutation

SC300: Big Ideas in Science: From Methods to Mutation. Welcome to Unit 3 Seminar This week will discuss electromagnetic waves Come help explain to Grandma Pauline who just won a microwave oven the differences between electromagnetic waves!

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SC300: Big Ideas in Science: From Methods to Mutation

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  1. SC300: Big Ideas in Science: From Methods to Mutation • Welcome to Unit 3 Seminar • This week will discuss electromagnetic waves • Come help explain to Grandma Pauline who just won a microwave oven the differences between electromagnetic waves! • I will be available at AIM:KaplanHallPogar before and throughout the seminar if you have any questions or issues. • We will begin promptly at 10:00pmET

  2. Looking ahead • Unit 3 DB • Two threads • You are required to post to both • Unit 4 Heads Up • Group Work for discussion board • Make sure to check in your classroom for your assignments

  3. 2 kinds of electromagnetic waves • Infrared/microwave waves • http://science.hq.nasa.gov/kids/imagers/ems/micro.html • 2. http://science.hq.nasa.gov/kids/imagers/ems/infrared.html • Visible light waves • http://science.hq.nasa.gov/kids/imagers/ems/visible.html

  4. Field Trip! • Light • http://www.youtube.com/watch?v=xZ6XUk7QLbU

  5. Electromagnetic waves • Visible light and heat • Two aspects of the same thing • Radio waves, visible light, nuclear radiation, and X-rays

  6. Electromagnetic waves • The difference among all of them is their energy • Example • Move from left to right • Notice that radio waves have the least energy • What sources have the most energy?

  7. Grandma Pauline has just won a microwave oven… • "If I stand too close, I'll get radiated!" • Is she right?

  8. Help Grandma Pauline… • According to the picture why is a cat’s nose always cold? Infrared Image

  9. Infrared image of human

  10. KROQ- FM on her new oven • Grandma Pauline wants to listen to radio waves on her microwave oven • Radio waves are Electromagnetic waves too • Can she?

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