Unit 3-1 & 2 Vocabulary

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Across
  1. 4. how much of something there is.
  2. 5. a measure of hotness or coldness.
  3. 7. includes the Earth and the other planets that orbit the sun.
Down
  1. 1. to provide what someone or something needs.
  2. 2. a model of the world or Earth.
  3. 3. the "state of being warm in a temperature of feeling".
  4. 6. the study of the starts, planets and other space objects.
  5. 8. the outside of something.