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science 3.3
| Question | Answer |
|---|---|
| 1. all waves begin with a source of ___ | energy |
| 2. a _____ is a disturbance that transfers energy from one place to another without transferring matter. | wave |
| 3. when a flag waves in the wind, the flag ripples back-and -forth as the energy____along the flag | travels |
| 4. a ____ wave travels only through matter | mechanical |
| 5. an ______ wave can travel through empty space or through matter. | electromagnetic |
| 6. there are three types of wave motion ~ transverse, _______, and a combination of both. | longitudinal |
| 7. a ____ wave is a wave in which the disturbance is perpendicular to the direction the wave travels | transverse |
| 8. a ___ wave is a wave that makes the particles of a medium move back and forth parallel to the direction the wave travels. | longitudinal |
| 9. one common wave in nature is ___ | water wave |
| 10. another common wave in nature is ___ | seismic wave |
| 11. in water waves, water particles move in circles, indicating that these waves are a combination of ____ and ____ waves. | transverse/longitudinal |
| 12. ________ waves occur during an earthquake | seismic |
| 13. the ___ of a wave is the distance from one point, such as the crest, to the corresponding point on the next wave. | wavelength |
| 14. the _____ of a wave is the number of wavelengths that pass a point each second | frequency |
| 15. frequency is measured in ____ | hertz |
| 16. the _____ the wave length, the lower the frequency | longer |
| 17. wave speed depends on the type of material, or___ a wave travels through . | medium |
| 18. the maximum distance a wave varies from its rest position is the _____ of the wave | amplitude |
| 19. the more energy a ___ wave has, the larger the wave's amplitude will be. | mechanical |
| 20. when you knock on one side of a door, the sound travels as ____ sound waves through the door. | longitudinal |
| 21. these waves travel through the ___ that makes up the door to the air on the other side. | matter |
| 22. the particles that make up the door ____ some of the sound energy. | absorb |
| 23. they increase their motion, changing to ___ energy. | thermal |
| 24. This causes a_____in sound | Decrease 25. |
| 25. Some of the energy of your knock bounces,or______ ,back into the room | Reflects |
Created by:
owensoli4020