Planets and Solar System Crossword

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Across
  1. 1. Known as the red planet.
  2. 5. This planet has a spectacular ring system surrounding it that extends out from the planet for about 250 000 kilometres.
  3. 8. A yellow star.About 5 billion years old.
  4. 9. This is the hottest planet.
  5. 10. Made of water, ice, rock, dust and organic compounds from the earliest formation of the Solar System.
  6. 11. Mercury, Venus, Earth and Mars are known as ________ planets.
  7. 13. Astronauts travel in this to the moon.
  8. 15. The Solar System is in a galaxy called the _________.
  9. 17. It takes 365 days for Earth to _______ the Sun.
  10. 18. Winds move around this planet at about 2000km/hr.
  11. 21. Number of planets in our Solar System
  12. 22. Time taken for a planet to complete an orbit around the Sun.
Down
  1. 2. Jupiter, Saturn, Uranus and Neptune have _____ around them.
  2. 3. Asteroid, comet and meteorite impacts have caused craters on its surface.
  3. 4. The largest planet. Also known as a Gas Giant.
  4. 6. Small, rocky, metallic bodies found all over the Solar System.
  5. 7. This planet is closest to the Sun.
  6. 12. When the Moon passes between the Sun and the Earth casting a shadow on the Earth it is called a solar ________.
  7. 14. This is the only planet to have water over its surface.
  8. 16. This planet spins on its side.
  9. 19. A dwarf planet that has two moons.
  10. 20. Sea-level changes created because of the attraction between the Earth and Moon.