year 8 science crosswords

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Across
  1. 3. a chemichal reaction between air , water
  2. 4. the solid but soft middle rock layer of earth
  3. 5. a sedimantary rock formed from dead plants and animals
  4. 7. a break in the bone
  5. 8. an injury caused by tearing a ligament
  6. 9. tough, rope-like tissue connecting a muscle to a bone
Down
  1. 1. excessive discarge of watery faeces
  2. 2. a chemical change between two or more substances
  3. 6. an organ for breathing for breathing for air