Space crossword

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Across
  1. 3. Your _________, which is measured in kg, is the same on Jupiter and on Earth (4)
  2. 4. The star in the Solar System (3)
  3. 6. There is a _____________ force which pulls the Earth towards the Sun (13)
  4. 8. Your _________, which is measured in Newton, is higher on Jupiter than on Earth (6)
  5. 11. The variable which you measure in an investigation (9)
Down
  1. 1. The Earth is a _______ (6)
  2. 2. The variables which you keep the same in an investigation (7)
  3. 5. The variable which you change in an investigation (11)
  4. 7. The unit for measuring distances between galaxies (5-4)
  5. 9. Small rocks which burns up when it enters the Earth's atmosphere (6)
  6. 10. The planet in the Solar system which is closest to the Sun (7)