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Easy Light, Sound, and Color Practice Questions  Back to Science Questions Click here for the Answers to Easy Light, Sound, and Color questions 1. Q: Which travels faster, sound or light? A: Sound B: Light ------------------------------------- 2. Q: Which can travel through a vacuum (space with no substance)? A: Light B: Sound ------------------------------------- 3. Q: Which type of waves are the longest? A: Radar waves B: Radio waves C: Visible Light D: Gamma Rays ------------------------------------- 4. Q: About how fast is sound? A: 100 feet per second B: 500 feet per second C: 1,100 feet per second D: 10,000 feet per second ------------------------------------- 5. Q: About how fast is light? A: 1000 feet per second B: 1000 miles per second C: 10,000 miles per second D: 186,000 miles per second ------------------------------------- 6. Q: What travels faster than light? A: microwaves B: nothing C: sound D: air ------------------------------------- 7. Q: What type of particles make up light? A: air B: atoms C: molecules D: photons ------------------------------------- 8. Q: Which is not a primary color? A: red B: green C: blue D: yellow ------------------------------------- 9. Q: What color do yellow and red make? A: green B: blue C: orange D: pink ------------------------------------- 10. Q: If you add red, yellow, and blue light together what color light do you get? A: white B: black C: brown D: green ------------------------------------- 11. Q: If you add red, yellow, and blue paint together what color of paint do you get? A: white B: brown C: black D: purple ------------------------------------- 12. Q: What is it called when light rays are bent when passing from one substance to the next? A: radiation B: extraction C: refraction D: pointillism ------------------------------------- 13. Q: If a wave has a short wavelength, what type of frequency does it have? A: high B: low ------------------------------------- 14. Q: If a wave has a low frequency, what type of wavelength does it have? A: long B: short ------------------------------------- 15. Q: What color does an object look that reflects light of all wavelengths in equal amounts? A: white B: black C: red D: blue ------------------------------------- 16. Q: Which color of light has the longest wavelength? A: purple B: blue C: green D: red ------------------------------------- 17. Q: A lens does which of the following? A: Changes the direction of light B: Makes an object appear smaller C: Makes an object appear larger D: All of the above ------------------------------------- 18. Q: When looking through a covex lens will an object appear larger or smaller? A: larger B: smaller ------------------------------------- 19. Q: When looking through a concave lens will an object appear larger or smaller? A: larger B: smaller ------------------------------------- 20. Q: What is different about the light that makes up a laser beam versus the light from a flashlight? A: Laser light has very little spread B: Laser light is all the same wavelength C: None of the above D: All of the above ------------------------------------- 21. Q: Which of the following is not an application for a laser? A: To generate light. B: To cut through concrete or steel. C: To amplify light. D: To re-attach a damaged eye retina. ------------------------------------- 22. Q: What color is an object the absorbs light of all wavelengths? A: white B: black C: blue D: red ------------------------------------- 23. Q: Does sound travel faster through air or water? A: air B: water ------------------------------------- 24. Q: The more dense a material is the slower sound will travel through it? A: TRUE B: FALSE ------------------------------------- 25. Q: What is the Doppler Effect? A: When the volume of a sound changes as the object making the sound passes by you. B: The echo made from another object. C: When the frequency or pitch of a sound changes as the object making the sound passes by you. D: The sound made when an object go faster than the speed of sound. ------------------------------------- 26. Q: What is the unit of measure for the loudness of a sound? A: Amps B: Decibels C: Hertz D: Meters ------------------------------------- 27. Q: About what frequency range can the average human hear? A: 2Hz to 200Hz B: 200Hz to 2000Hz C: 20Hz to 20,000Hz D: 200Hz to 200,000Hz ------------------------------------- 28. Q: What is an echo? A: Sound waves with changing frequencies. B: Reflected sound waves. C: Amplified sound waves. D: The same as the Doppler Effect. ------------------------------------- 29. Q: The phase of the waves in laser light is the same? A: TRUE B: FALSE ------------------------------------- 30. Q: About how long does it take for light to travel from the sun? A: 2 seconds B: 30 seconds C: 8 minutes D: 1 hour -------------------------------------     Click here for the Answers to Easy Light, Sound, and Color questions Back to Science Questions

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