Gravity
The force that pulls things to the centre of Earth (and other planets) is called gravity.
Gravity also holds Earth and the other planets in their orbits around the Sun.
The force of gravity also exists on the Moon but it is not as strong as it is on Earth. This is because the Moon is much smaller than our planet.
Watch: How gravity was discovered
Find out about Isaac Newton and how he discovered gravity.
Isaac Newton - isn't he the guy who discovered gravity?
Great! So, what's gravity?
Aaaah, gravity is the force that makes objects fall towards the ground.
And, without gravity, we'd all float! Hmmmm…
You're right!
The force of gravity is weaker on the Moon than on the Earth, so here you can jump much higher!
Gravity also acts between the Moon and the Earth and keeps the Earth in orbit around the Sun.
Fascinating stuff!
And thanks for showing me the effects of gravity.
It's clearly a very important force!
Activity 1: Fill in the gaps
Activity 2: Quiz
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