Physics Revision Crassword

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Across
  1. 4. a cloud of dust and gas in space
  2. 6. found around any object with mass; causes weight and a force of attraction on other masses.
  3. 7. the planet we live on.
  4. 9. The farthest planet from the Sun in our Solar System
  5. 10. an imaginary line through the middle of a planet, about which the planet spins
  6. 11. the unit of measurement for mass.
  7. 12. an equipment to measure the weight
Down
  1. 1. the largest object in the Solar System
  2. 2. the quantity of matter in an object, measured in kilograms (kg).
  3. 3. the force of gravity on an object, measured in newtons (N).
  4. 4. the unit of measurement for force (symbol: N).
  5. 5. to be on same flat surface
  6. 8. an equipment to measure the mass