Vocab. Menu

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