Science work

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Across
  1. 2. magnetic
  2. 6. metals
  3. 7. shelter , water/food and place to breed
  4. 10. oil
  5. 11. cockle burs
  6. 12. sharp teeth
Down
  1. 1. no
  2. 3. cobalt
  3. 4. wood, paper, plastic, brick and aluminum
  4. 5. gold
  5. 8. steal
  6. 9. magnetic