Unit 1 Space Systems #1 Vocab

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Across
  1. 7. A representation of an idea, an object, or a process that is used to describe and explain something that cannot be experienced.
  2. 9. A large object that orbits a star with its own orbit. Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune
  3. 10. The path an object follows as it moves around another object
  4. 11. The idea that Earth is the center of the solar system. All planets and Sun revolve around the Earth
Down
  1. 1. the idea that the Sun is the center of the solar system. Earth and the other planets revolve around the sun.
  2. 2. sun, planets, and all the other objects that revolve around the sun.
  3. 3. Information collected through: see, hear, touch, taste, smell
  4. 4. to turn
  5. 5. to go around something in a circle; to turn around in a circle
  6. 6. A stretched circle, or oval shape, the shape of the planets orbit.
  7. 8. Idea or theory based on something you know.