Oxygen & Carbon Dioxide

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Across
  1. 2. When we dont consume enough calcium our bodies will ______ it from our bones
  2. 4. When Carbon Dioxide is turned to a ________it becomes carbonation
  3. 8. Carbon Dioxide is denser then _________
  4. 9. Sir Isaac Newton discovered __________
  5. 10. We _______ Carbon Dioxide and plants take it in
  6. 12. Newtons first law of motion states an object at ______will stay at _____
  7. 15. Color of blood low in oxygen
  8. 16. The vibrations that sound makes is called____________
  9. 17. In the Scientific process, after research comes__________
  10. 19. ______is the most abundant gas on earth
  11. 20. Longest bone in your body
Down
  1. 1. is important because it traps heat
  2. 3. Smoking destroys the ______ in your lungs
  3. 5. Alexander Graham Bell invented the first _________
  4. 6. Newtons first law of motion states and object in ______ will stay in ______unless acted on by an outside force
  5. 7. We _______oxygen and plants release it.
  6. 9. Our air is filled with different invisible ________
  7. 11. This uses light to creates a rainbow
  8. 13. Adults have 206 of these in your body
  9. 14. This has 3 States: Liquid, Solid and Gas
  10. 18. The ________also takes in carbon Dioxide