Vocabulary Practice

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Across
  1. 2. The study of the stars and the planets
  2. 4. To provide what someone or something needs
  3. 6. How much there is of something
  4. 7. The outside of something
  5. 8. To tell how hot or cold something is
Down
  1. 1. Earth and the planets that move around the sun
  2. 3. A map of the world
  3. 5. The heat of something