Chapter 21 Lesson 1-2 Crossword Puzzle

12345678910
Across
  1. 3. Largest object in the solar system.
  2. 5. What are small bodies of rocks orbiting the sun?
  3. 8. Inner planets closets to the sun.
  4. 9. The rotation period of a celestial object.
  5. 10. Ice and dust particles.
Down
  1. 1. What is it called when a planet rotated the sun in about 365.25 days?
  2. 2. What is it called when gases are trapped in a planet?
  3. 4. What is the second planet from the sun?
  4. 6. Biggest planet in the solar system.
  5. 7. Smallest planet and the closest planet to the sun.