Planet Earth

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Across
  1. 3. Opposite to non-living.
  2. 5. What people need to live and covers over half of the Earth.
  3. 7. Thin layer of solid rock.
  4. 8. It is made up of the sun and the planets.
Down
  1. 1. What keeps the planet warm.
  2. 2. They spin around the sun.
  3. 4. It is around the core.
  4. 6. What people need to breath.
  5. 7. The middle of the planet.