Electromagnetic Spectrum Quiz What did you do to prepare for this quiz?

Good Luck!  Write the Answer and Letter or Your Test Will Not Be Graded. 1. How much of the electromagnetic spectrum can be see with the human eye? None of the electromagnetic spectrum Only a very small portion of the electromagnetic spectrum All of the electromagnetic spectrum Most of the electromagnetic spectrum

2. The diagram below is an example of________. A. Refraction B. Reflection C. Absorption D. Transmission

3. The diagram below shows the______of light rays. A. Refraction B. Reflection C. Transmission D. Absorption

4. Light rays always travel in straight lines until they hit an object 4. Light rays always travel in straight lines until they hit an object. If they enter a new medium at an angle, then the light rays bend slightly. This is called_______ A. refraction B. Reflection C. Absorption D. Transmission

5. The color with the longest wavelength is_________. A. Blue B. Yellow C. Red D. Violet

6. Ricky is exploring underwater sea life 6. Ricky is exploring underwater sea life. He turned on his flashlight to look at an octopus. How will the light most likely travel underwater? A. The light beams will follow the wave pattern of water. B. The water will bend the light upward towards the surface. C. The light will travel through the water in a straight line. D. The water will bend the light downward towards the surface.

7.Name a benefit and a harmful effect of ultraviolet radiation.

8. A ball bouncing off a wall is similar to light being__________ off a wall. A. Refracted B. Reflected C. Absorbed D. Transmitted

9. An object that does not allow the transmission of light is _________. A. Transparent B. Translucent C. Clear D. Opaque

10. You can see yourself in a mirror because of____________. A. Diffuse reflection of light off the mirror B. Regular reflection of light off the mirror C. Refraction of light in the mirror D. Absorption of light by the mirror

Bonus -3pts each Name three electromagnetic waves and tell me one way it is used in our lives. Give me three different media that light can travel through. Air, water, glass Explain how you see a red apple as the color red. Red light is reflected off the apple to our eyes, the other colors are absorbed. When white light is refracted by a prism, what happens to the light you see? Why? White light is refracted and separated into the rainbow colors because white light is made up of these colors. The different wavelengths are seen as colors