Science Chap. 2 Voc. Word Scramble
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Term | Definition |
asteroid | a chunk of rock or iron less than 1,000 km (621 mi) in diameter that orbits the sun. |
universe | everything that exists, including galaxies and everything in them. |
star | a huge ball of very hot glowing gases in space that produces its own light and heat. |
dwarf planet | a nearly round body, slightly smaller than a planet, whose orbit crosses the orbit of another body. |
comet | a chunk of frozen gases, rock, ice, and dust orbiting the sun. |
astronomy | the study of objects in space and their properties. |
galaxy | a group of billions of stars, objects that orbit those stars, gas, and dust. |
solar system | a star and all the planets and other objects that revolve around it. |
planet | a large, round body that revolves around a star. |
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mariajharvey
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