Unit 2 extra credit

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Across
  1. 1. A thin layer of gases surrounding Earth
  2. 2. a bend in layers of rock, sometimes caused by plate movement
  3. 3. the theory that the continents were once joined and then slowly drifted apart
  4. 6. the term scientists use to describe the activities of continental drift and magma flow, which create many of Earth's physical features
  5. 8. outer layer of the Earth
  6. 9. the watery areas of the earth, including oceans, lakes, rivers, and other bodies of water
  7. 10. thick middle layer of the Earth's interior structure consisting of hot rock that is dense but flexible
  8. 13. the part of earth where life exists
Down
  1. 1. uppermost layer of the Earth that includes the crust, continents, and ocean basins
  2. 4. innermost layer of the Earth made up of a super-hot but solid inner core and a super-hot liquid outer core outer layer
  3. 5. part of a continent that extends out underneath the ocean
  4. 7. Molten rock beneath the earth's surface
  5. 9. Chemical or physical process that breaks down rocks into smaller pieces
  6. 11. the movement of weathered rock and material by wind, glaciers, and moving water
  7. 12. A crack or break in earth's crust