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

Gravity is a pulling force

It pulls things down towards the earth

Things fall because of gravity

Things always fall down

Gravity Holds everything and every one on the earth

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.

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Gravity was discovered by a scientist named Isaac

Newton

? ? ? ? ? ? Gravity

Stories say he discovered Gravity when an apple fell

on his head

OUCH!

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

Planet WeightMercury 102 N (23 lb)

Venus 245 N (54 lb)

Earth 270 N (60 lb)

Mars 102 N (23 lb)

Jupiter 638 N (142 lb)

Saturn 247 N (55 lb)

Uranus 240 N (53 lb)

Neptune 304 N (68 lb)

Pluto 18 N (4 lb)

If you are 60 lb on the Earth

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Mercury Venus Earth Mars Jupiter Saturn Uranus Neptune Pluto

Planet

Weight on Planets in our Solar System

The force of gravity on the moon is one-sixth of Earth’s gravity.

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In Space, Gravity keeps the planets moving around the

sun

Gravity ? everything and every one on the earth

?

My Ideal Planet

Mercury5%

Venus18%

Earth23%

Mars14%

Jupiter5% Saturn

10%Uranes

5%

Neptune10%

Pluto10%

Mercury

Venus

Earth

Mars

Jupiter

Saturn

Uranes

Neptune

Pluto