Please enable JavaScript.

Coggle requires JavaScript to display documents.

Sound (2.What is volume? (loud sound (a lot of energy (can travel far (can…

- - - - can travel far
        
        can hear from far away
        
        ex) jackhammer, siren, car horn
  - - - cannot travel far
        
        stand close to hear
        
        ex) whisper, squeaking mouse, ticking watch
- - - - bounces off things: echo
        
        a sound that is a copy of another sound
        
        ex) bats (echolocation)
      - some can be absorbed
        
        use objects to block the sound
        
        ex) closing the door
        
        ex)wearing earplugs
    - - whales communicate underwater