5 - Topic 3 - Earth's Systems

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Across
  1. 6. system that includes physical parts of the Earth such as rocks, soil, and landforms.
  2. 7. to tell the difference between things.
  3. 8. system that includes all water on Earth.
  4. 9. system that includes all gases that surround Earth.
  5. 10. pollution in water that harms organisms and the environment.
  6. 11. a group of parts that work together.
  7. 12. center layer of the Earth.
Down
  1. 1. system that includes all living things.
  2. 2. when things depend on one another.
  3. 3. part of the geosphere that includes the crust and outer mantle.
  4. 4. middle layer of the Earth.
  5. 5. outer layer of the Earth.
  6. 6. the warming of Earth because of gases trapping heat.