Year 9

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Across
  1. 3. stop thermosetting plastics from being reheated
  2. 5. the simplest wood joint
  3. 8. oil used to make plastic
  4. 11. can be reheated and reshaped many times
  5. 12. a wood joint cut at 45 degrees
Down
  1. 1. used to make plastic bottles
  2. 2. used to make long continuous shapes
  3. 4. plastic is shaped around or in this
  4. 6. can be reheated and reshaped once
  5. 7. used to make sandwich and egg cartons
  6. 9. used to make aircraft windows and shop signs
  7. 10. a plastic which degrades in soil