science and fun

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Across
  1. 1. Makes voices high pitch
  2. 5. Pools are cleaner with this
  3. 7. Is in bananas
  4. 8. Very large reptile
  5. 10. Lives in a pineapple under the sea
  6. 11. used in what you should drink
Down
  1. 2. Well known metal
  2. 3. Makes great chains
  3. 4. Small fruit that comes in different colors
  4. 6. Sport with lots of contact
  5. 9. We would die without it
  6. 12. High priced