Processes that Change Earth

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Across
  1. 2. Earth's places move when the _______ mantle moves.
  2. 4. The Earth's _______ core is made of liquid iron.
  3. 5. ___________volcanoes are wide with fairly steep slopes and have explosive eruptions of rock and ash.
  4. 7. Pressure and heat can turn granite, an igneous rock, into gneiss, a _______________ rock.
  5. 9. Sandstone is a type of ______________ rock where you would most likely to find a fossil.
  6. 13. You would expect to find sediment ____________ where a faster river enters a slower river.
  7. 14. A _____ forms as running water erodes the surrounding rock.
  8. 15. An example of a _____________ resource is soil.
  9. 17. An ____________ occurs when earth's plates push against each other.
  10. 18. About 225 million years ago, all of Earth's landmasses were joined in one huge landmass called ________. Then it broke into two pieces before breaking further into smaller pieces.
  11. 22. Plants can also cause weathering and _________.
  12. 24. A mineral's ability to resist being scratched.
  13. 25. Crop ____________ is the changing of planted crops from year to year.
  14. 26. The color of the powder left behind when you rub a mineral against a rough white tile.
Down
  1. 1. ___________ means all kinds of landforms in a place.
  2. 3. When lava, or melted rock, cools quickly, it hardens ________ crystals can grow large so it becomes igneous rock with small or no crystals.
  3. 6. Each rock layer is younger than the one beneath it describes the law of ________________.
  4. 8. A ________ is a type of landform made by a glacier.
  5. 10. __________ sediment forms a type of rock called sedimentary rock.
  6. 11. To __________ water, the government can develop a park with native grasses, flowering plants, and shrubs.
  7. 12. Communities with a shortage of water or energy may require people to _________ their use of water or energy.
  8. 16. The point on Earth's surface directly above the focus of an earthquake.
  9. 19. A _______ is the preserved remains or traces of a living thing.
  10. 20. A naturally occurring, nonliving solid that has a specific chemical makeup and a repeating structure.
  11. 21. When farmers ____________, they plant different crops near each other to keep soil healthy.
  12. 23. The way a mineral's surface reflects light.