Sound in Outer Space

You hear sounds more clearly if you are close to whatever is vibrating and making the sound waves..

What is the cause of sound?

• Vibration

• Light

• Heat

• Electricity

Sound waves move out from a vibrating object, making the air move back and forth in a way that we can’t see. What is the name of the vibrating object?

How does the inability of sound to travel through outer space impact our understanding of the universe?

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What is sound considered as?

• Form of energy

• Form of matter

• Form of light

• Form of heat

What are the two things that must happen to create a sound?

• Vibration and creation of sound waves

• Reflection and refraction

• Absorption and transmission

• Compression and rarefaction

Through which mediums can sound travel?

• Air only

• Solids, liquids, and gases

• Solids only

• Gases only

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