M4 Sci U2: Solar system crossword

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Across
  1. 2. the largest planet in the solar system
  2. 4. a planet with no atmosphere
  3. 6. the hottest planet in the solar system
  4. 7. the four planets closest to the sun are the ______ planets
  5. 8. The spinning motion of the Earth
  6. 9. the shape of the Earth
  7. 10. The path a body travels in space around another object
Down
  1. 1. Mercury's low gravity means it has no ______
  2. 3. planets made of rock are called ______ planets
  3. 5. the time it takes to travel around the earth is the period of __________