Un. 3 Wk 1-2 vocab

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Across
  1. 2. the study of stars, planets,& other space items
  2. 6. system Earth & the other planets that orbit the sun
  3. 7. state of being warm in temperature or feeling.
  4. 8. the outside of an object or body.
Down
  1. 1. round model of the world, or Earth.
  2. 3. to provide for someone or something.
  3. 4. tells how hot or cold something is.
  4. 5. how much of something there is.