Science Vocabulary Terms

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Across
  1. 2. pressure caused by the weight of air above an area
  2. 5. showers and thunderstorms
  3. 7. number of energy levels/shells is determined by
  4. 10. organisms whose cells lack a nucleus and other organelles
  5. 11. a table of chemical elements
  6. 13. subatomic particle with a negative charge
Down
  1. 1. tells us the number of atoms
  2. 3. the process in which different types of living organisms are thought to have developed or diversified
  3. 4. a biological community of interacting organisms and their physical environment
  4. 6. group 18 on periodic table
  5. 8. organisms whose cells contain a nucleus and membrane-bound organelles
  6. 9. a diagram which shows the flow of energy through many organisms
  7. 10. subatomic particle with positive charge
  8. 12. the study of living organisms
  9. 14. smallest living unit that makes up all living organisms