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- 1. Multiple Choice
Movie theaters use sound proofing to reduce echoes. Soundproofing materials are designed to ________ the sound.
reflect
absorb
diffract
transmit
- 2. Multiple Choice
Sound travels faster in___________than in liquids.
solids
gas
water
air
- 3. Multiple Choice
The intensity of a sound wave increases as the wave spreads out from the source of the sound.
True
False
- 4. Multiple ChoiceAn ________ is a reflected sound.VibrationEchoPitchVolume
- Answer choicesTagsAnswer choicesTags