Earth Science - Week 1

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Across
  1. 5. Help tectonic plates move. Cool magma sinks while hot magma rises.
  2. 7. Semi-molten layer beneath the crust. Make's up 84% of the Earth.
  3. 9. Solid rock. Make up the lithosphere.
  4. 10. Liquid layer that is extremely hot. Responsible for the Earth's magnetic field.
  5. 11. In plants, oxygen is absorbed by the roots and carbon dioxide is released.
Down
  1. 1. An element all living things need for survival. Excess in the atmosphere leads to global warming.
  2. 2. Plants convert carbon dioxide and sunlight into oxygen and sugar.
  3. 3. The outermost layer of the Earth.
  4. 4. What Earth's contents were called when they were all combined together (P).
  5. 6. The innermost layer of the Earth. Extremely hot and solid due to pressure.
  6. 8. The man who came up with the theory of continental drift.