Across
- 2. A smaller tide when the Sun and Moon are at right angles
- 3. The path a planet moves around the Sun
- 4. A measure of how much gravity pulls on an object
- 7. This polish astronomer suggested that the Earth travelled around the sun: Nicolas __________________
- 10. The Earth has a large ____________________ field
- 12. Gravity ________ the further away two objects are from each other
- 13. An astronauts weight would be __________ on the Moon compared to Earth
Down
- 1. Very high and very low tides when the Sun, Moon and Earth are all in a line
- 5. The gravitational pull ____________ as the mass of an object increases
- 6. The unit used for weight
- 8. Attracts objects to one another
- 9. The rise and fall in water levels on the seashore twice a day
- 11. The term used to describe how many particles or atoms make up an object