Social Science

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Across
  1. 1. Anything that takes up space and has mass.
  2. 4. the movement of earth around the sun
  3. 6. center of the solar system
  4. 8. how tightly packed molecules are within a specific space
  5. 10. imaginary line that goes through the center of the earth
Down
  1. 1. rockey planet & closet to the sun
  2. 2. it take 365 day to complete one Revolution
  3. 3. Vibration that travel through the air or another Medium and can be heard when they reach a person's or animals ear.
  4. 5. The amount of space that matter takes up.
  5. 7. the spinning of earth on its axis
  6. 9. the Quantity of matter in a physcial Body(density* Volume).