Sound

What is a medium?

• Solid

• Liquid

• Gas

• All of the above

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Sound needs a medium in order to travel.

• True

• False

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Sound waves can travel through a vacuum.

• True

• False

A sound wave looks most like:

• a long rope

• a wave in the water

• a coiled spring

• a short rope

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Sound waves

• don't travel

• travel in all directions

• travel in only one direction

• travel only north

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An object that does not vibrate cannot produce

• light

• heat

• electricity

• sound

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A place where no sound exists is

• in the air

• space

• under water

• all of the above

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Sound is a form of energy produced by

• vibrations

• prisms

• distances

• wires

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Sound does not travel in space because

• space is too far away

• space is the final frontier

• space has planets

• there is no matter in space

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Which sentence BEST describes how sound moves?

• Sound can move through solids, liquids, or gases.

• Sounds can move through solids and liquids, but not gases.

• Sound can move through an empty space and through matter.

• Sound can move through liquids and gases, but not through solids.

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