The frequency of a wave decreases when the wavelength:
Hertz measures the frequency of:
At absolute zero, all molecules in a substance:
Wrapping a wire around a nail several times and then attaching a battery makes an electromagnet:
To get a better look at a patient's heart, the doctor uses which type of sound wave?
Using a light bulb, wire, and battery, you could create a:
When sound wave particles spread out, this is called:
The amplitude of a wave measures from the bottom of the trough to what part of the wave?
Sonar is a way to measure distance:
Sound waves can travel through everything except:
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