Science test words

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Across
  1. 2. The cycle of animals eating animals
  2. 4. When sediments from into sedimentary rock
  3. 6. A cylinder for measuring volume
  4. 7. A web made with food chains
Down
  1. 1. different types of soils
  2. 3. The feature to transfer toxins around a food web
  3. 5. Misshapen sizes and shapes