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Which of these statements is FALSE?
Whenever a sound is made, something vibrates
The pitch of a sound means how high or low the sound is
Sound can only travel through air, not through solids or liquids
Evie hits a cymbal to make a loud sound. She then holds the edge of the cymbal tightly between her fingers. What happens to the sound?
It gets louder
It becomes higher in pitch
The harder you hit a drum ...
the louder the sound
the higher the pitch of the sound
the lower the pitch of the sound
As you tighten a drum skin, the sound made when you hit it ...
gets lower in pitch
gets higher in pitch
stays the same
As you fill a bottle with water, the sound made when you BLOW over the top of it ...
As you fill a bottle with water, the sound you make when you TAP it ...
An astronaut picks up a stone from the moon and throws it hard against another stone. He doesn't hear any sound. Why not?
Because your ears don't work on the moon
Because there is no air on the moon and so the sound cannot travel
Because rocks are soft and squashy on the moon
As you tighten a string, the sound made when you pluck it ...
Why do people using large noisy drills often wear ear muffs?
Because they think they look nice
Because their ears are cold
Because very loud sounds can damage your ears
What would be a good material to lay on a floor to muffle the sound of footsteps?