S-E-M Lesson 1 Crossword

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Across
  1. 4. Collection of planets, moons, and the Sun.
  2. 7. Length of time for Earth to orbit Sun.
  3. 9. The planet on which we live.
  4. 10. Earth____ or spins on its axis.
  5. 11. Earth's rotation results in ___ and night.
  6. 12. Used to collect information about space.
  7. 13. Earth's natural satellite.
Down
  1. 1. A measure from side to side.
  2. 2. Length of time for the Moon to orbit Earth.
  3. 3. Collection of dust,gas, and stars.
  4. 5. The only star in our solar system.
  5. 6. What is the Sun?
  6. 8. The Moon____ or orbits around the Earth.