Week 20: Shaping the Earth

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Across
  1. 3. Large masses of earth's crust floating on magma
  2. 4. Type of weathering where the rock changing into a new, usually softer rock substance
  3. 7. A boundary where two tectonic plates slide past each other
  4. 9. A boundary where two tectonic plates pull away from each other
  5. 10. A form of chemical weathering where oxygen reacts with substances in rock to form new types of rock
Down
  1. 1. Type of weathering where the rock breaking into smaller pieces
  2. 2. A form of physical weathering where water freezes in the cracks of racks and expands
  3. 5. A form of physical weathering that wears a rock's surface
  4. 6. A boundary where two tectonic plates move towards each other
  5. 8. The movement of small rock pieces to a different location