1. Where do most of the visible electromagnetic waves on Earth come from? - PowerPoint PPT Presentation

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1. Where do most of the visible electromagnetic waves on Earth come from? PowerPoint Presentation
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1. Where do most of the visible electromagnetic waves on Earth come from?

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1. Where do most of the visible electromagnetic waves on Earth come from?
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1. Where do most of the visible electromagnetic waves on Earth come from?

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  1. PLEASE SKIP A PAGE IN YOUR CRCT NOTEBOOK!!!! 1. Where do most of the visible electromagnetic waves on Earth come from? Thursday, March 1 • X-rays • The sun • Radio waves • Fluorescent

  2. Thursday, March 1 2. Which of the following statements about electromagnetic waves is true? • Electromagnetic waves all have the same speed. • Electromagnetic waves all have the same wavelength. • Electromagnetic waves only travel through water. • Electromagnetic waves all have the same amount of energy.

  3. Friday, March 2 3. Which type of electromagnetic wave can cause sunburn and make certain minerals glow? • Infrared • Ultraviolet • Microwaves • Gamma rays

  4. Friday, March 2 4. Which of the following lists electromagnetic waves from highest energy to lowest energy? • Radio waves, gamma rays, microwaves • Ultraviolet light, gamma rays, infrared light • X-rays, ultraviolet light, radio waves • X-rays, radio waves, ultraviolet light

  5. Monday, March 5 5. What kinds of waves are given off by the heating coils of a toaster oven? • Red light waves and microwaves • Ultraviolet waves and infrared waves • Red light waves and infrared waves • X-rays and red light waves

  6. 6. The different kinds of electromagnetic waves vary in their Monday, March 5 • speed. • Wavelength. • Particle size. • Ability to travel through space.

  7. Tuesday, March 6 7. Sound travels at a speed of about 340 m/s in air. If a person hears a police siren 170 meters away, how long did it take for the sound to travel from the police siren to the person’s ear? (you don’t have to copy the question; just work the problem like we do in class) • 0.5 seconds • 2.0 seconds • 5.0 seconds • 20.0 seconds

  8. Tuesday, March 6 8. The colors of the visible spectrum in order from shortest to longest wavelength are A. violet, blue, green, orange, yellow, red B. red, yellow, orange, violet, blue, green C. violet, blue, green, yellow, orange, red D. red, orange, violet, blue, green, yellow

  9. Wednesday, March 7 9. What determines the color of light? • A prism • Its refraction • Its wavelength • Its incidence

  10. Wednesday, March 7 10. What is an object that reflects some light and transmits some light called? • Colored • Diffuse • Opaque • translucent