This fun introduction to the solar system includes clues for all of the planets and a few other celestial bodies. It would make a great filler or early finisher worksheet for your science class or when working on an astronomy unit.The vocabulary covered in this crossword puzzle are: Armstrong, Comet, Earth, Eight, Galileo, Jupiter, Mars, Mercury, Milky Way, Neptune, Orbit, Pluto, Saturn, Uranus, VenusThe clues are designed so that kids will learn a little something about each of these topics.