Chapter 2: Earth's Physical Systems

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Across
  1. 2. A type of rock from cooled magma
  2. 7. Animals that produce their own food
  3. 8. The process of an autotroph turning light energy into chemical energy
  4. 10. Compounds consisting of carbon atoms
  5. 11. Combinations of two or more atoms
  6. 12. Long chains of organic compounds called amino acids
  7. 13. Thermal Energy beneath the Earth's surface
  8. 14. Acid Acids that direct the production of proteins
  9. 17. All material that has mass and occupies space
  10. 18. Smallest unit that contain chemical properties of the element
  11. 19. The nature of energy will change from a state of more order to a state of less order
  12. 26. A type of element that can decay and change is chemical identity
  13. 27. Any naturally occurring solid element or inorganic compound
  14. 28. Plates grind against each other
  15. 30. Carbon atoms bonded together in long chains
  16. 31. electrically charged atoms
  17. 32. A positively charged particle
  18. 33. A solution where H+ concentrations are greater than OH- concentrations
  19. 37. Energy of motion
Down
  1. 1. The total energy in the universe is remains constant and is conserved
  2. 3. atoms of carbon and hydrogen
  3. 4. A fundamental type of matter that cannot be broken down
  4. 5. A molecule composed of two or more different elements
  5. 6. Matter can be created but not destroyed
  6. 9. The amount of time it takes for one half the atoms to give off radiation and decay
  7. 15. Plates collide
  8. 16. molecules of large size
  9. 19. Particles of rock
  10. 20. Tectonic plates pull apart
  11. 21. Rock that has been compressed stretched or bended
  12. 22. A particle with no charge
  13. 23. Rock formed by sediments
  14. 24. Organisms that gain their energy by feeding on other organisms
  15. 25. A collection of minerals
  16. 29. Energy of position
  17. 34. Atoms with of the same element but have different numbers of neutrons
  18. 35. Rocks are heated, melted, cooled, broken down, and reassembled
  19. 36. A solution where H+ concentrations are less than OH- concentrations