3. Gravity is a pulling force It pulls things down towards the earth

4. Things fall because of gravity

5. Things always fall down

6. Gravity Holds everything and every one on the earth

7. How does gravity work? There are two ideas you need to know. The more massive an object is, the more gravity it has. The closer two objects are, the stronger the gravitational pull between them. Open the hyperlink!

8. Gravity was discovered by a scientist named Isaac Newton ? ? ? Gravity

9. Stories say he discovered Gravity when an apple fell on his head OUCH !

10. Weight is a measure of the force of gravity on an object.

11. PlanetWeight Mercury102 N (23 lb) Venus245 N (54 lb) Earth270 N (60 lb) Mars102 N (23 lb) Jupiter638 N (142 lb) Saturn247 N (55 lb) Uranus240 N (53 lb) Neptune304 N (68 lb) Pluto 18 N (4 lb)

12. If you are 60 lb on the Earth

13. The force of gravity on the moon is one-sixth of Earth’s gravity. Let’s movie ! Open Hyperlink

14. In Space, Gravity keeps the planets moving around the sun

15. Gravity ? everything and every one on the earth ?