The Planets

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Across
  1. 4. the largest planet, the first of the gas giants
  2. 5. the Red Planet, last rocky terrestrial planet
  3. 8. a _______ tide happens when the Sun, Earth, and Moon align
  4. 9. spinning on an axis, causes day and night
  5. 11. the closest planet to the Sun
  6. 12. the cause of Earth's seasons
  7. 13. the hottest planet, covered in volcanoes
  8. 14. the planet we live on
Down
  1. 1. pulls objects toward each other, like the sun pulls Earth
  2. 2. the star at the center of gravity in our solar system
  3. 3. a _______ tide happens when the Sun, Earth, and Moon are perpendicular
  4. 6. the longest day in the northern hemisphere is the summer ___________
  5. 7. large outer planets are called the gas _______
  6. 10. a path around another object, like the Earth around the sun