Name______Wave Worksheet

What is a wave?

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Give three examples of waves.

1. ______

2. ______

3. ______

What is the highest frequency that humans hear in kHz? ______

What is the frequency in vibrations per second of a 60-Hz wave? (show your work)

V = f x λ

If a water wave oscillates up and down three times each second and the distance between wave crests is 2 m what is its frequency, wavelength, and wave speed? True or False (circle one)

Waves traveling at the same speed must have the same frequency T F

Sound underwater travels faster than in air. T F

Sound waves in space move at the speed of light. T F

FM radio waves have a smaller wave length than AM radio waves. T F

A mosquito flaps its wings 600 vibrations per second. What is the frequency of the buzz? ______Assuming sound travels at 340 m / s, how far does the sound travel between wing beats? (wavelength of the sound)

FM radio waves are measured in megahertz. AM radio waves are measured in kilohertz.

What is the frequency of your favorite radio station? ______

Extra credit question:

The speed of light and radio waves are both 3 x 106 m/s. What is the wave length of your favorite radio station’s signal?

What is thunder? What causes thunder? Why do we see lightning before we hear thunder?