L to J 8th Grade

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Across
  1. 2. the inner most layer of Earth, located beneath the mantle
  2. 7. light reflected in all directions by an uneven surface
  3. 9. the blocking of the light from one astronomical body by the shadow of another body
  4. 12. change in the physical state of matter from liquid to the gas phase
  5. 13. speed of an object in a specified direction
  6. 14. stream a high speed wind current in the upper level of the atmosphere
  7. 16. rock that forms from other rocks as a result of intense heat, pressure, or chemical processes
  8. 17. a small body of ice and dust that orbits the Sun
  9. 18. the motion of one body around another, like Earth's orbit around the Sun
  10. 22. a line through an object around which it rotates
  11. 23. change in the physical state of matter from solid to the gas phase without passing through the liquid phase
  12. 24. calculation of an object's mass divided by its volume (Density= mass/volume)
  13. 26. the process where tectonic plates move away from a boundary
  14. 27. a chemical change in which a metal reacts with oxygen to form a different compound
  15. 28. a physical change in which particles of a substance are separated by water particles
  16. 29. change in the physical state of matter from liquid to gas phase that occurs only on the surface of the liquid
  17. 30. rock that forms when magma or lava cools and solidifies
  18. 31. a round object that orbits the Sun and dominates it orbit
Down
  1. 1. the layer of rock between Earth's crust and core
  2. 3. ability to cause change or do work
  3. 4. any remains, impressions, or traces of a living thing found in Earth of a former geologic age
  4. 5. small, rocky bodies that move with a solar system
  5. 6. the amount of water vapor in the air
  6. 8. to pass through air or some other medium
  7. 10. change in the physical state of matter from gas to the liquid phase
  8. 11. a pure substance composed of two or more elements chemically combined
  9. 15. a pure substance that cannot be broken down by chemical or physical means
  10. 17. the thin, rocky layer of Earth, above the mantle
  11. 19. movement of sediment from one location to another
  12. 20. the process where tectonic plates collide together at a boundary
  13. 21. laying down or settlement of sediment in one place
  14. 25. the bending of the path of light when it passes from one medium into another