Across
- 2. The opposite of South
- 4. A force between opposite poles
- 7. Equal to the mass (kg) x gravitational field strength (Nm) on Earth
- 12. The planet with many rings
- 13. When the speed of an object increases
- 14. Another things which changes when a force acts on an object
- 15. An object which orbits a star
- 17. The upward force in floating and submerged objects
- 18. Our home planet
- 21. Equal to mass (g) divided by volume (cm3)
- 22. The third planet from the Sun
Down
- 1. The opposite of negative
- 3. A force between opposite charges
- 5. A contact force when two surfaces rub against each other
- 6. The closest planet to the Sun
- 8. When forces in opposite directions are equal
- 9. The largest planet in the solar system
- 10. A minor planet
- 11. An object which orbits a planet
- 16. A non-contact force which is always attractive
- 19. The scientist who discovered that the extension of a spring is proportional the force applied to it
- 20. The planet with an atmosphere of sulphuric acid