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