Sound Review

Sound does not travel in space because

• Space is too far away.
• There is no matter in space.
• Space is the final frontier
• Space has planets.

Why is sound able to travel faster through a solid than a gas?

• Gas molecules are packed tightly.
• Sound does not travel faster through a solid than a gas.
• Solid molecules are packed tightly.
• Gas molecules move slowly.

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Sound is caused by....

• molecules
• vibrations
• people
• space

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How does sound travel?

• Sounds travels in waves
• sound travels slow
• sound travels fast
• sound doesn't travel

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Sound is a form of energy produced by ______________.

• Vibrations

• Distances

• Prisms

• Forces

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An object that does not vibrate cannot produce

• Sound

• Light

• Heat

• Electricity

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What is Pitch?

• How loud or soft a sound is.

• Muscle that holds vocal cords.

• Movement back and forth.

• How high or low a sound is.

________ describes how LOUD a sound is.

• Amplitude

• Frequency

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____________ is determined by sound's frequency

• Compression

• Pitch

A sound with a high frequency has a _____ pitch. A sound with a ____ frequency has a low pitch.

• high, low

• low, high

• medium, high

• high, medium