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First Class science · A.7 · Waves and light

Can you hear it

Sound travels as waves that move through solid objects. Even behind walls, some sound passes through so people can hear each other.

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  1. If Ravi hears music from the next room through the wall, what is true?

    • Sound goes through walls (right)
    • The music stops at the wall
    • Only soft sounds go through
  2. A classmate plays a drum in the classroom. Can Ines hear it from outside?

    • Yes (right)
    • No, windows block all sounds
    • Only if they are very close
  3. Felix hears a friend's voice from the other side of the door. What does that show?

    • Sound travels through solid things (right)
    • The door is open
    • Light goes through walls

Tip: Sound travels as waves that move through solid objects. Even behind walls, some sound passes through so people can hear each other.

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