Our Solar System
Enter the number from the column to the left into the text box next to the appropriate word in the right-hand column.
1. the fourth planet from the sun; the second smallest planet in the solar system Mercury
2. the seventh planet from the sun; it has the coldest atmosphere of any of the planets Earth
3. a region that lies beyond the planets and which contains several dwarf planets (including Pluto) and a multitude of smaller objects that are in orbit around the sun Asteroid Belt
4. the sixth planet from the sun; second largest planet, and famous for the large rings of debris which orbit around it Saturn
5. the eighth planet from the sun; orbits our star once every 164 Earth years Jupiter
6. the star at the center of our solar system; the source for the energy which made and which continues to make life on Earth possible Kuiper Belt
7. the fifth planet from the sun; the largest planet in our solar system Pluto
8. the second planet from the sun; nearly the size of Earth The Moon
9. the third planet from the sun; home to many strange and wondrous forms of life Venus
10. a band of asteroids between the orbits of Mars and Jupiter The Sun
11. once classified as the ninth planet from the sun, but now considered to be one of several dwarf planets Mars
12. the closest planet to the sun; currently classified as the smallest planet in our solar system Neptune
13. Earth's natural satellite; its gravitational pull on large bodies of water as it passes overhead causes the tides Uranus



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