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Valleys and hills Rarefactions and compressions Dips and peaks Crests and troughs

Skip a page in your CRCT notebook Week 23. 1. Marissa made a wave using a rope. The wave had alternating high points and low points. What are the high and low points of a transverse wave called?. Valleys and hills Rarefactions and compressions Dips and peaks Crests and troughs.

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Valleys and hills Rarefactions and compressions Dips and peaks Crests and troughs

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  1. Skip a page in your CRCT notebook Week 23 1. Marissa made a wave using a rope. The wave had alternating high points and low points. What are the high and low points of a transverse wave called? • Valleys and hills • Rarefactions and compressions • Dips and peaks • Crests and troughs

  2. 2. How are waves classified as either longitudinal or transverse? • By size, color, shape, strength, and intensity • By the amount of vibration through the air • By how they move and by the medium through which they travel • By the amount of electromagnetism they contain

  3. 3. What happens to a wave as it passes from one medium to another? • The wave refracts. • The wave absorbs the medium • The wave transmits the medium • The wave is reflected.

  4. 4. What occurs when a wave moves from one medium into another and the wave is refracted? • The wave spreads out. • The wave changes direction. • The wave is scattered. • The wave changes frequency.

  5. 5. Picture a tub filled with water, with a rubber ducky floating on the water. You plunge your fist into the water, next to the rubber ducky. What will happen to the rubber ducky? • It will sink. • It will move up and down. • It will not move. • It will travel straight to the other end of the tub.

  6. 6. What will happen to the surface of the water? • Waves will move out from the disturbance. • The water will remain calm. • A wave will move from the surface to the bottom of the tub. • The water level will go down.

  7. 7. Why can’t a sound wave move through empty space? • Its waves are not strong enough. • Its waves move like springs, not ropes. • Its waves move by vibrating particles. • It does not have the necessary range of frequencies.

  8. 8. In a sound wave, what moves in the same direction as the energy? • Vibrations • Pitches • Molecules • amplitudes

  9. 9. When you change the loudness of a sound, what changes in the sound wave? • Rarefaction • Frequency • Wavelength • amplitude

  10. 10. Janet wants to make the pitch of a sound wave lower. What should Janet do? • Increase its speed • Decrease its frequency • Increase its amplitude • Decrease its wavelength

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