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ralph-norman
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I have “because there is no air to vibrate.”
Who has the reason our voice sounds different to us normally than when we listen to a recording of ourselves?
I have “because we hear our own voice in part through our skull.”
Who has the activity we did that shows sound traveling through solids that will save you at boring parties?
I have “770 miles per hour or 1240 kilometers per hour.”
Who has what happens when a fast plane catches up with its own sound?
I have “small things have a higher pitch, big things have a lower pitch, except Mike Tyson.”
Who has what is vibrating in a coke bottle when you blow over it?
I have “the air inside, that’s why more water, which makes the air smaller, makes it higher.”
Who has what is vibrating in a coke bottle when you hit it?
I have “the glass and the water vibrate, that’s why more water makes it lower, since it’s like a bigger dog barking.”
Who has a way of showing that a tuning fork is vibrating?
I have “talk into a can that has a balloon stretched over it and a piece of mirror attached and shine a laser on it while you talk.”
Who has a way of making the pitch of a guitar string lower?
I have “a wave that travels back and forth along the direction it’s going rather than up and down.”
Who has a good way of showing a longitudinal wave?