Planet Earth

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Across
  1. 3. A hole in the earths crust that releases steam, ash and lava onto the surface
  2. 7. Refers to the shininess of a material or how the light reflects off of it.
  3. 8. The movement of rock and mineral grains from one place to another
  4. 9. __________Scale used to measure the intensity of an earthquake.
  5. 11. How easily a mineral is to scratch.
  6. 15. The name for the super-continent.
  7. 17. The silt, sand, mud, and gravel carried by rivers.
  8. 20. ____________weathering where living things cause the breakdown of rocks over time.
  9. 22. A hole in the earths crust that releases steam, ash and lava onto the surface
  10. 25. The rock form created from layers of sediment settling upon one another
  11. 29. Event when a tectonic plate moves or breaks suddenly.
  12. 30. The break up or disintegration of rocks caused by mechanical, chemical, or biological sources
Down
  1. 1. ___________weathering is the physical break up or disintegration of rocks caused by gravity, temperature change and frost wedging.
  2. 2. Solid center of the earth.
  3. 4. hot liquid rock from the mantle of the earth.
  4. 5. A large crack in a rock or the Earth's crust.
  5. 6. Preserved impressions in rock that represent living organisms from millions of years ago.
  6. 10. The naturally occurring building block materials that make up rocks.
  7. 12. The hard surface of the earth that we live on.
  8. 13. _________weathering where chemicals present on the surface or in the atmosphere that when mixed with water react and cause disintegration of the rock.
  9. 14. Hot fluid rock that is still beneath the earths surface
  10. 16. A scientist that studies the earth.
  11. 18. The process of placing materials that are carried by wind water and ice
  12. 19. A type of rock formed from intense heat and pressure.
  13. 21. The rock form created from hot magma coming up to the surface and cooling.
  14. 23. When tectonic plates come together.
  15. 24. The way a material breaks apart. It will break with smooth and flat/planes.
  16. 26. When tectonic plates move apart.
  17. 27. Very hot solid rock underneath the crust.
  18. 28. Liquid iron and nickel at the center of the earth.