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Across
  1. 4. this hangs above my fireplace
  2. 5. an educated guess
  3. 10. a thin layer of rock covering the mantle
  4. 11. why are you so tall? that was a _____
  5. 12. a subatomic particle that has no charge and is found inside the nucleus of the atom
  6. 18. a rigid layer made up of the upper most part of the mantle and the crust
  7. 19. using your five senses to collect information
  8. 21. hot ball of fire made of nickel and iron
  9. 23. a liquid typically one other than water used for dissolving other substances
  10. 25. a variable changed by the scientist
  11. 26. in math x is the
  12. 27. atoms are always in _____ motion
  13. 29. a subatomic particle that has a positive charge and is found in the nucleus of the atom
  14. 30. the variable used to see the difference it makes
  15. 32. thin layer of rock on land
  16. 35. very hot and is a liquid made of nickel and iron
  17. 37. chemical properties are those which can only be observed by altering the identity of the substance
  18. 39. these animals have like 30 spots
  19. 41. the temperature at which a substance changes from a liquid to a gas
  20. 42. a change which alters the appearance but does not create a different substance
  21. 45. a physical property that describes the ability of a substance to dissolve in a solvent
  22. 46. any substance that dissolves in a liquid solvent to create a solution
  23. 47. a thin layer of rock under the ocean
  24. 48. I have an ______ of what will happen
  25. 49. currents of hot up top but when it cools it goes to the bottom
Down
  1. 1. the heat from the fire is called
  2. 2. composed of only one kind of atom and cannot be broken down into simpler substances
  3. 3. physical properties are those which can be observed with out altering the identity of the substance
  4. 6. steps used to answer problems or questions about the world around us
  5. 7. when I touched the pan I burnt my hand why?
  6. 8. the temperature at which a liquid changes to a solid
  7. 9. is a super continent that began to drift apart 225 million years ago
  8. 13. a plate boundary where two plates move away from each other
  9. 14. the smallest unit of pure substance that still has the properties of that substance
  10. 15. a substance that undergoes a change that forms a new substance with new properties
  11. 16. any substance that is dissolved in a liquid solvent to make a solution
  12. 17. In the movie Journey to the Center of the Enter they were looking for the earth's ______
  13. 20. a plate boundary where two plates come together or converge
  14. 22. A theory that the crust is split into sections
  15. 24. a part of the earth the upper mantle and the crust
  16. 28. amount of mass per unit of volume
  17. 31. a mixture of two or more elements
  18. 33. boundary two layers of crust sliding past each other
  19. 34. a subatomic particle that has a negative charge and is found on the outside the atom
  20. 36. the temperature at which a solid becomes a liquid
  21. 38. the animals skin is soft and wrinkly and they're beautiful
  22. 40. your notes measurements and observations recorded during the experiment
  23. 43. the last step of the scientific method. It is a statement about your if your hypothesis is correct or not
  24. 44. step by step procedure to test your hypothesis including materials and variables