Unit 3 Week 1 & 2 Vocabulary

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Across
  1. 2. the outside of something
  2. 4. the world; Earth
  3. 6. the study of stars and planets
  4. 8. heat
Down
  1. 1. to provide what someone or something needs
  2. 3. how hot or cold something is
  3. 5. how much
  4. 7. Earth and the planets that rotate around the sun