Science Vocab

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Across
  1. 1. earth science
  2. 3. Our Planet
  3. 4. The fifth planet
  4. 7. the force that attracts a body toward the center of the earth
  5. 9. a basis for reasoning
  6. 12. the process of eroding or being eroded by wind, water, or other natural agents
  7. 14. state of matter
  8. 15. a group of atoms bonded together
  9. 16. about the same mass as a proton but without an electric charge
  10. 17. space rocks
  11. 19. state of matter
  12. 20. state of matter
Down
  1. 2. looking at something to gain information
  2. 5. a small body of matter from outer space that enters the earth's atmosphere
  3. 6. systematic investigation
  4. 8. Only Saturn has..
  5. 10. positive electric charge
  6. 11. space research
  7. 13. based on or characterized by the methods and principles of science
  8. 18. facts and statistics