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
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.
Friday, March 2 3. Which type of electromagnetic wave can cause sunburn and make certain minerals glow? • Infrared • Ultraviolet • Microwaves • Gamma rays
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
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. The different kinds of electromagnetic waves vary in their Monday, March 5 • speed. • Wavelength. • Particle size. • Ability to travel through space.
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
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
Wednesday, March 7 9. What determines the color of light? • A prism • Its refraction • Its wavelength • Its incidence
Wednesday, March 7 10. What is an object that reflects some light and transmits some light called? • Colored • Diffuse • Opaque • translucent