Chapter 2 Earth Science

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Across
  1. 2. flow of thermal energy from a hot placde to a cooler place
  2. 6. state of matter that particle possess the most energy
  3. 10. particles vibrate in a fixed position and hold their shape
  4. 11. ice cubes "shrink" in the freezer over time
  5. 15. type of sound energy
  6. 16. term that comes from the Greek word for "indivisible"
  7. 17. force exerted between magnets and magnetic materials
  8. 21. the identity of a substance changes
  9. 22. the amount of matter in an object
  10. 23. force that causes particles in an object to move across each other in LAYERS
  11. 24. water put in the freezer
  12. 25. two nuclei combine
  13. 26. number of protons in the nucleus
  14. 28. energy of a MOVING object
  15. 29. fixed volume but not a definite shape
  16. 31. atom with more or fewer electrons than protons
  17. 34. using this to attempt to show how the universe started
  18. 36. most directly affects a substance's state of matter
  19. 38. sound caused by vibrations that are too slow for the human ear to detect
  20. 41. a type of vaporization
  21. 42. directly linked to the field force that acts on all matter
  22. 43. identical particles join together in a repeating, 3D pattern
  23. 45. the ability to do work
Down
  1. 1. material made up of one kind of particle
  2. 3. the sun is the largest and most important source of this energy
  3. 4. nucleus splits into two smaller nuclei
  4. 5. measured in liters, milliliters, cubic inches
  5. 7. height or a peak or valley of a wave (pg 36)
  6. 8. apprearance of a substance changes
  7. 9. combinations of two or more pure substances or other mixtures
  8. 12. operationally defined as a push or a pull
  9. 13. particles are far apart and move very fast
  10. 14. a type of light energy
  11. 18. droplets of water on outside of iced drink
  12. 19. ALWAYS contains the protons of any atom
  13. 20. force that pulls on an object, usually in a straight line
  14. 27. occupies space and has mass
  15. 30. frost forms on car's windshield
  16. 32. forces that opposes the motion of objects in contact
  17. 33. water leaves your pool in the summertime
  18. 35. force exerted between electrical charges
  19. 37. measured using some kind of scale
  20. 39. any substance that flows
  21. 40. force that pushed objects closer together
  22. 44. done when a force acts on a moving object in the same or opposite direction of its motion