Landforms Study Guide

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Across
  1. 4. core A layer made of iron and nickel that could be solid because of the intense pressure
  2. 6. wegener Who proposed the idea that continents sat on large plates and was once Pangea?
  3. 7. boundaries Plates slide past each other
  4. 10. Heat and pressure transforms one type of rock into another
  5. 12. laws of conservation of mass What states that when different types of matter are mixed together the total amount of the mass of matter will be the same, even if one substance dissolves
  6. 13. boundaries Plates move apart
  7. 14. A combination in which one substance dissolves in another
  8. 15. weathering Caused by chemical reactions
  9. 16. The thinnest layer of the Earth that's made of rocky material
  10. 17. A combination of two or more substances that do not lose their identifying characteristics when combined
  11. 19. Where the eroded object ends up
  12. 21. Caused by a vent in the earths surface from which molten rock and gasses erupt
  13. 22. drift What is the constant moving of the plates that float on top of the mantle called?
  14. 23. weathering Caused by physical forces
Down
  1. 1. What provides information about life and conditions in the past?
  2. 2. core A layer of the Earth made out of melted iron and nickel
  3. 3. tectonics What is the scientific theory that Earth's crust is divided up into plates?
  4. 5. What occurs when two plates push against each other and become locked?
  5. 8. boundaries Plates push together
  6. 9. The thickest layer of the Earth with lots of magma
  7. 11. Cooling magma becomes a rock
  8. 14. Rock Layers of sediment that become bonded together forming a rock
  9. 18. currents What is the movement of the earths plates called?
  10. 20. The process of an object moving from one place to another