Benjamin,Journey,Lewis and Josiah crossword puzzle.

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Across
  1. 3. what can roll down a hill and get bigger
  2. 5. what would burn up and shrink or get cold.
  3. 7. how many stars are in the universe
Down
  1. 1. whats moves around and picks up gas and dust.
  2. 2. what is earth part of
  3. 4. what stars are bigger than yellow stars
  4. 6. what looks bigger when its up close.