Mystery Science

Mystery Science

Waves of Sound- Mystery 2 Extras

Waves of Sound- Mystery 3 Extras

Musical Rumble

The pitch of a sound — how high or low it is — depends on the vibration that made the sound. The quicker the vibration goes back and forth, the higher the sound.

On this singing road, the vibrations of a car play a tune. Bumps in the road called rumble strips make the car vibrate.

Play the video, then discuss: Which set of rumble strips plays the higher note?Close together and far apart rumble strips

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