Change in Energy, Matter, and the Earth (Part 1)

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Across
  1. 5. a substance that undergoes a chemical change
  2. 7. a ___ boundary occurs where two tectonic plates move towards each other
  3. 9. an ___ system does not allow energy or matter to flow in or out
  4. 11. the ___ energy of an object is the energy of its movement
  5. 13. a ___ system allows energy to flow in and out but not matter
  6. 14. a substance formed during a chemical reaction
  7. 16. Earth’s thin outermost layer
  8. 18. the transfer of energy that does not require contact with matter
  9. 19. a ___ change alters appearance without forming a new substance
  10. 21. how much mass is contained in a given volume
  11. 22. the reaction of a metal with oxygen
  12. 26. a characteristic of a substance that affects how it looks or behaves
  13. 29. a ___ boundary occurs where two tectonic plates slide past each other
  14. 30. a reaction that releases energy as heat
  15. 34. the ___ of energy states that energy cannot be created or destroyed
  16. 35. the theory of ___ drift states that the continents have moved over time
  17. 36. the flow of thermal energy between objects
  18. 39. Earth’s central layer, consisting of a liquid outer core and solid inner core
  19. 40. a reaction that absorbs energy as heat
  20. 42. the transfer of energy by the movement of a liquid or gas
  21. 43. the ability to do work
  22. 44. a substance that has mass and takes up space
  23. 45. to move energy from one place or object to another
  24. 46. a ___ ridge is a long chain of mountains beneath the ocean
  25. 47. a ___ equation represents a chemical change using words
Down
  1. 1. a reaction with oxygen that releases heat
  2. 2. a change in the position of an object over time
  3. 3. a ___ plate is a section of Earth’s lithosphere
  4. 4. occurs when a force causes an object to move
  5. 6. Earth’s rigid outer zone, made up of the crust and most of the upper mantle
  6. 8. an ___ system allows both energy and matter to transfer in and out
  7. 10. a ___ boundary occurs where two tectonic plates move away from each other
  8. 12. a substance that resists the transfer of energy
  9. 15. a ___ valley forms when a continent is pulled apart
  10. 17. the ___ energy of an object is stored energy that can cause movement
  11. 20. a set of things that work together to perform a function
  12. 22. a ___ reaction changes one or more substances into new substances
  13. 23. the amount of matter contained in a physical body
  14. 24. a ___ change forms a new substance with different properties
  15. 25. the ___ of mass states that mass cannot be created or destroyed
  16. 27. the layer of gas surrounding Earth
  17. 28. the transfer of energy through a substance
  18. 31. the part of the mantle beneath the lithosphere that can flow
  19. 32. something that can be changed back to its previous state
  20. 33. a substance that allows energy to be transferred easily
  21. 37. the process where one tectonic plate moves underneath another
  22. 38. Earth’s middle layer, located between the crust and the core
  23. 41. to change energy from one type into another