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Lesson · Grade 6 · Science

Gravity: Every Object Pulls on Every Other Object

  • Grade 6
  • Science
  • 58 s
  • British Columbia
  • BC6-SC-14

An apple above Earth shows that Earth pulls the apple with a force called gravity, and the apple pulls on Earth just as hard. Two apples also pull on each other, but only Earth's huge mass makes the pull strong enough to feel. Apples held all around the planet then fall toward its centre.

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In one sentence

The question this lesson answers

Why does an apple fall down when you drop it?

Earth pulls the apple toward it.

Transcript

What the lesson says

Why does an apple fall down when you drop it?

Earth pulls the apple toward it.

This pull is a force called gravity.

In fact, every object pulls on every other object.

So the apple pulls on Earth just as hard.

But Earth has so much mass that it hardly moves.

Two apples pull on each other too.

But their pull is far too weak to notice.

The more mass objects have, the stronger the pull between them.

Earth has a huge mass, so its pull is strong enough to feel.

Earth pulls every object toward its centre.

So objects all around the planet fall toward the centre.

Every object pulls on every other object, and Earth pulls things toward its centre.

Curriculum

Where this fits

British Columbia, Grade 6

Science, Physics: force of gravityBC6-SC-14

Previous: Balanced and Unbalanced Forces in Sport and Play

The outcomes and strands follow the British Columbia curriculum.

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