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Sound (What is it? (a type of energy (light or heat), How? (vibrates (talk…

- - - - talk
        
        vocal cords
      - triangle
        
        metal
        
        pushes the air
        
        sound waves
        
        ears
        
        eardrums
        
        1 more item...
- - - - by bouncing off
        
        absorb
        
        still hear
  - - - comes back
        
        bats
        
        echos help fly/hunt
  - - - very well
        
        sounds of whales
        
        far
- - - - loud
        
        waves-a lot of energy
        
        far
    - - less energy
        
        x far
- - - - slower
    - - vibrates quickly