year 8 crossword space

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Across
  1. 4. known as th ered plabted
  2. 6. is the ability to do work
  3. 7. energy source
  4. 8. rings are made up of billions of ice and rock particles.
  5. 9. produce their own light and heat
  6. 10. Largest Planet
Down
  1. 1. the second planet from the Sun
  2. 2. big round orbiting stars
  3. 3. some form of brightness
  4. 4. is about one-quarter the size of Earth.
  5. 5. energy moving
  6. 6. we live on