SCIENCE STUFF

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Across
  1. 3. First on the periodic table
  2. 5. The building blocks of the world
  3. 8. Raises balloons to the sky
  4. 10. We need it to breath
  5. 12. 110 on the periodic table
  6. 15. In bananas
  7. 17. Yellow metal
  8. 18. In milk
  9. 19. Gas that smells bad
Down
  1. 1. Popular for jewelry
  2. 2. Indigo uses to much
  3. 4. Girls best friend
  4. 6. ___,Liquid,gas
  5. 7. Iron
  6. 9. Solid,___,Gas
  7. 11. Use in pools
  8. 13. Inside a pencil
  9. 14. Solid,Liquid,___
  10. 16. The closest planet to the sun
  11. 20. Cans are made of ___