1. Light and sound is a form of ______________.

• energy
• volume
• light
• matter

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3. Sound is caused by ________________.

• vibrations
• instruments
• force
• light waves

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Sound Travels in _____.

• energy

• waves

• lines

• rays

Tags

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20. What type of medium does sound travel the fastest?

• Solid
• Liquid
• Gas

Tags

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7. Moving away from a sound causes it to become __________.

• louder
• quieter
• it doesn't change it

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A repeating sound caused by sound waves bouncing off a surface

• vibration

• reflection

• echo

• light

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A form of energy that we detect with our eyes

• light

• sound

• heat

• vibrations

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11. What is Earth's main source of light?

• light bulbs
• the sun
• the moon
• candles

Tags

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Light travels in

• energy

• waves

• transparent objects

• zig zag lines

Tags

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19. What type of medium does light travel the fastest?

• Solid
• Liquid
• Gas