Chapter 1 Vocabulary

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Across
  1. 1. a huge object in space that gives off heat and light
  2. 4. something scientists make to answer questions about the real world
  3. 5. the sun, the planets that orbit the sun, and other objects that orbit the sun
Down
  1. 1. the only star in our solar system
  2. 2. a scientist who studies stars, planets, and other objects in the universe
  3. 3. to make a picture in your mind using information from different sources