Unit 3 Week 1 Vocab

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Across
  1. 3. the study of stars and planets
  2. 4. provide what is needed for something
  3. 7. how hot or cold something is
  4. 8. the world
Down
  1. 1. heat
  2. 2. the stun and the planets that move around it
  3. 5. how much of something there is
  4. 6. the outside of something