Unit 1 Vocabulary

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Across
  1. 1. The sphere of Earth where organisms live
  2. 5. The variable that changes in response to the experiment
  3. 6. The study of Earth and its neighbors in space
  4. 9. The thought that Earth was formed from a spinning cloud of dust and gas
  5. 11. a well tested, generally accepted hypothesis
  6. 13. All of the land on the interior and exterior of the Earth
  7. 14. The gaseous layer that surrounds Earth
  8. 15. Data that has a number
  9. 16. Results gained from observations
  10. 18. The largest layer of Earth, made of molten rock
  11. 19. All of the water on Earth
Down
  1. 2. The variable that is changed in an experiment
  2. 3. The solid inner part of the Earth, made of iron and nickel
  3. 4. Measured in grams
  4. 7. The last step in the scientific process, performing the experiment again to ensure results are accurate
  5. 8. The part of the experiment that stays the same and is used as a comparison
  6. 10. An educated guess that must be testable
  7. 12. The rocky outer layer of the Earth
  8. 15. Data that does not have a number; color, smell, etc
  9. 17. Measured in liters with a graduated cylinder
  10. 20. Mass divided by volume