Patterns of Earth and Sky 1

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Across
  1. 3. The distance light travels in a year
  2. 5. Person who studies stars, planets, galaxies
  3. 7. How long it takes for Earth to rotate on its axis
  4. 8. An illustration that shows how something works
  5. 9. The planet we live on
Down
  1. 1. The shape of Earth
  2. 2. system The sun, moon, and planets that orbit the sun.
  3. 4. Measurements recorded in a science experiment
  4. 6. to move in a circle around another object
  5. 7. The distance across a circle