The Solar System

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Across
  1. 2. A name we give the inner rocky planets
  2. 5. the ability of an environment to support the activity of at least one known organism
  3. 6. the physical distance between objects
  4. 8. spin or turn around a central point, like when the Earth spins on its axis
  5. 10. the Sixth planet from the sun
  6. 12. A name we give the outer gas/ice planets
  7. 13. the variety of all living things on Earth
Down
  1. 1. using resources in such a way that they will continue to be available in the future
  2. 3. the path an object takes as it revolves around another object.
  3. 4. layers of gases that surround the Earth
  4. 7. A small particle from space that enters earths atmosphere, often seen as a shooting star
  5. 9. Usually found between Mars and Jupiter
  6. 11. oval-shaped path that an object takes
  7. 14. to move in a circular or curving course or orbit