6th grade science

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Across
  1. 3. the moving of air - hot air rises and cool air sinks
  2. 5. Bacteria, cows, teeth, and fossils are examples of these types of factors
  3. 6. causes water to stick to other things
  4. 7. a rotating column of air
  5. 11. all energy on earth comes from the ___
  6. 12. heat is this type of energy
  7. 14. these are the purest substances on earth
  8. 17. this weather system brings nice weather
  9. 18. as altitude increases, pressure does this
  10. 19. Chesapeake Bay is one of these
  11. 21. day and night happen because of earth's _____
  12. 22. on a graph the dependent variable goes here
  13. 23. atoms are held together by these
  14. 24. these act as natural filters in our watershed
  15. 25. the variable that I can change
  16. 27. the change we see in the moon each night is called the _____ of the moon
Down
  1. 1. sodium and chlorine make this
  2. 2. water sticks to water
  3. 4. this weather system brings violent weather
  4. 8. pluto is this type of planet
  5. 9. meteors burn up in this layer of the atmosphere
  6. 10. 2 or more atoms bonded together
  7. 13. the solar system started as this
  8. 15. water is the universal this
  9. 16. this type of severe weather can last the longest
  10. 20. the layer of the atmosphere where weather occurs
  11. 26. caused by the gravitational pull of the moon