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Skills Worksheet

Directed Reading A(Pages 584-589)

Section: Wave Interactions

REFLECTION

1.A wave bouncing back after hitting a barrier is an example of ______.

2.Why do planets and the moons shine so brightly if they do not produce light?

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3.A reflected sound wave is called a(n).______.

4.When a wave passes through a substance, we say that it is ______through that substance.

REFRACTION

5.When a wave bends as it passes from one medium to another at an angle, ______occurs.

6.What causes a wave to bend when traveling from one medium to another?

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7.Why can you see a rainbow when sunlight is refracted through water droplets?

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DIFFRACTION

8.What is diffraction?

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Directed Reading A continued

INTERFERENCE

9.If the barrier or opening is larger than the wave length of the wave, there is only a ______amount of diffraction.

10.Explain why you can hear around corners, but you cannot see around corners.

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11.What is the combination of two or more waves that results in a single wave called?

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12.What is it called when a combined wave has a larger amplitude than the original waves?

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13.What is it called when a combined wave has a smaller amplitude than the original waves?

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14.In a(n) ______wave, certain parts of the wave are always at the rest position because of total destructive interference between all the waves.

15. The frequencies at which standing waves are made are called ______frequencies.

16. When an object vibrating at near the resonant frequency of a second object causes the second object to vibrate ______occurs.

17.How does resonance work in the shower?

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Holt Science and Technology1The Energy of Waves