Sound to Our Ears

What is sound?

• Vibrations in the air

• Sounds that are produced from us

• Something that happens when we move

• Random thing nobody knows about

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Select all the properties of sound

• Volume

• Amplitude

• Air Particles

• Frequency

• Vibration

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Sound is a ______.

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Frequency is the number of times a sound wave travels through a certain point. True or false?

• True

• False

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Does sound need a medium to travel?

• Yes

• No

• Sometimes

How are light and sound diffrent?

• We see light but not sound

• Light and sound can both be heard

• Light and sound can both be seen

• Sound needs a medium to travel while light doesn't

• We can use both to annoy people

We _____ see sound.

Volume determines how high pitched or low pitched a sound is. True or false?

• True

• False

How can we hear sound?

• Because sound gets into our ear

• Sound is what makes us able to hear

• It depends on the volume

• We just can

• We make sound so we can hear stuff since we can't hear any sound we don't make

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Sound travels in _____.

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