Waves Unit Test
A. Diagramming: Label the parts with the correct term. 2pts
B. Matching: Match the term with the best description. 2pts
__6. iris a. the bending of waves as they pass into a new medium
__7. wavelength b. a wave that requires a medium
__8. reflection c. transmits signals to the brain for sight
__9. frequency d. air, liquid, or solid
__10. middle ear e. distance from crest to crest or trough to trough
__11. inner ear f. a wave that can travel through empty space
__12. retina g. number of waves passing a point per second
__13. refraction h. transmits vibrations to the brain to make sound
__14. mechanical i expands and shrinks to adjust amount of light
__15. electromagnetic j. amplifies sound using the hammer, anvil, and stirrup
__16. medium k.bouncing back of a wave when it meets a boundary
C. True or False- Write out True or False. If False, correct the underlined phrase to make it true. 2pts
_____17. An echo is an example of sound wave reflection.
______18. Sound waves are a type of electromagnetic wave.
______19. When adding the three primary colors of light, the result is white light.
______20. X-rays are the highest energy wave of the electromagnetic spectrum.
D. Fill-in-the Blank 2pts.
21. We only see the colors of light that are ______by the object that the light hits.
22. When an electromagnetic wave has short wavelength it also has______frequency.
23. The retina is to the eye as the ______is to the ear.
24. What colors are reflected by your desk top?
25. A ______breaks light into the color spectrum.
26. Astronomers may use a ______to identify the composition of stars.
E. Multiple Choice 3pts
27. Which part of the eye focuses and helps refract light onto the retina?
a) cornea b) optic nerve c) lens d) eyelid
28. Which part of the ear captures and funnels sound?
a) inner ear b) outer ear c) middle ear d) eardrum
29. The best combination for the most energetic waves would be:
a) low frequency, long wavelength b) high frequency, short wavelength
c) low frequency, short wavelength d) high frequency, long wavelength
30. What is the correct order in terms of decreasing wavelength and higher energy?
a) infrared, visible light, ultraviolet b) visible light, infrared, ultraviolet
c) ultraviolet, visible light, infrared d) visible light, ultraviolet, infrared
31. We see colors that are:
a) reflected b) absorbed c) refracted d) transmitted
F. Discussion. Answer the following in complete sentences. 5pts
32. Explain what color we see when we look at a lemon and why we see that color and not the others.
33. You are in a cave with no light, match, or flashlight, however you DO have a map. Clearly, explain why you would still remain LOST!!!
G. Diagramming: Label the parts with the correct term. 3pts
H. The Electromagnetic Spectrum
Circle High or low on each side and then fill in the blanks with the correct components we learned. 2pts