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Here are the matched answers: 1. Mercury - C. It has a rocky surface. It is the smallest in our solar System and the closest to the sun 2. Venus - F. It is the hottest planet in our solar system and is the closest planet to Earth in size 3. Earth - B. It is often called ''The Water" 4. Mars - A. It is nicknamed "The Red Planet" because of the rust on its surface 5. Jupiter - D. It is the largest planet in our solar System and the fifth planet from the sun. It is composed of mostly gas and has a great red spot 6. Saturn - H. It is the second largest planet and is known best for its rings made of ice and rock chunks 7. Uranus - E. It is the coldest planet in our solar System and is the seventh planet from the Sun. It is a giant gas planet and it rotates on its side 8. Neptune - G. It has a cold surface, is blue in color from the gas in its atmosphere and is the furthest from the sun 9. a solar system - K. a star and the natural objects that move around 10. a planet - P. a very big round object that travels around a star 11. moon - I. a natural object which travels around a planet 12. asteroid - M. a big piece of rock that travels around a star 13. comet - O. a small frozen ball which sometimes has a bright tail 14. orbit - J. to travel around a star or a planet 15. gas - N. not a solid or a liquid 16. space mission - L. a journey into space, to do a special job