Space crossword

12345678910
Across
  1. 4. There is a _____________ force which pulls the Earth towards the Sun (13)
  2. 6. Your _________, which is measured in Newton, is higher on Jupiter than on Earth (6)
  3. 8. The variable which you measure in an investigation (9)
  4. 9. Planets which are found outside the Solar System (9)
  5. 10. The planet in the Solar system which is closest to the Sun (7)
Down
  1. 1. The variables which you keep the same in an investigation (7)
  2. 2. The unit for measuring distances between galaxies (5-4)
  3. 3. Your _________, which is measured in kg, is the same on Jupiter and on Earth (4)
  4. 5. The variable which you change in an investigation (11)
  5. 7. Small rocks which orbit the Sun (9)