University:
Boston University
Course:
CAS PY 252 | Principles of Physics 2
Academic year:

2022
Views:

355

Pages:

3
Author:

SpaceCadet101

Answer Key: 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 15. 16. 17. you) 18. 19. 20. waves, energy, sound wavelength high, frequency close, short farther, longer fast, shorter, increased all counting, amplitude the size of the wave or peak a. amplitude b. frequency c. wavelength shape colors frequency light, energy waves, surface Sonar The waves bounce off a surface, but keep their shape (they are reflected back to Low frequency Electromagnetic & 21 Answers will vary Bill Nye the Science Guy: Waves 1. You and I see, hear, and think with travels in waves. Like light travels in waves, television picture you’re watching right now, started out as a wave. 2. . See because travels in waves, the The distance (length) between two waves is called the: 3. When waves come by often, we say the waves have a waves come by slowly we say the waves have a low 4. If Bill makes a high frequency sound, you can see that the waves are together and the wavelength is . 5. frequency. When . If Bill makes a low frequency sound, the waves are apart. They have a wavelength. We say they have a lower frequency. 6. The wavelength depends on how the waves are made. The faster the spring is vibrating, the the wavelength will be. As the frequency is (that is make more waves per second), the shorter the wavelength becomes. 7. Waves can move in directions. directions. Energy travels through the waves out in all 8. When we have a wave, we can measure its frequency by the peaks. We can measure its wavelength by measuring the distance from here to here (the distance from one wave to the next). But there’s one more thing we can measure‐ that’s ___________________________. 9. An amplifier controls how big the sound waves are. What is the amplitude of a wave? 10. Label the parts of a wave: frequency, wavelength, amplitude: A. C. 3 waves/second = B. 11. All waves have a similar . 12. We see different wavelengths as different . 13. Electromagnetic waves include light, x‐rays, microwaves, radar, and radio and television signals. The only difference between the electromagnetic waves is the . 14. X‐ray waves are just like waves only they’re much closer together, they have much higher frequency, they have much higher . 15. Earthquakes can travel in earth and some going along the earth’s earthquake. They’re called seismic waves. 16. waves to tell how far away things are. 17. uses sound waves to find things underwater. It uses sound What is causes an echo? Big Amplitude: Baby I Love Your Wave 1Ooh . Some of them going right through the carrying the energy of the energy moves in waves 2Wavelengths grow so long before my eyes 3Look like curves, drawn on a page 4Amplitude describes a wave's height (Ooh) 5Like a tower in the city 6But don't, oh no, forget shape 7Cause all waves have the same, yeah 14Cause all waves have the same, yeah yeah 8Ooh energy moves in waves, everyday, yeah yeah sound waves or gamma rays, that's its wave, yeah yeah 10Ultraviolet and microwaves 11Visible light are light waves you can see, see, see 12They've got a quick frequency 13But don't, whoa no no, forget shape, la de dah 9Whether 18. In line 2, would the waves have a high frequency or a low frequency? 19. What spectrum is the song referring to in lines 10‐11? 20. Draw a picture of a main idea in the box to the right.