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Gravity
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Slide 1

Gravity

Gravity

What is it?

Slide 2

Gravity is

Gravity is

A natural force that pulls all objects toward the center of the earth.

Slide 3

What is a force?

What is a force?

A pull or a push on an object

Slide 4

Which do you think would fall first?

Which do you think would fall first?

A bouncy ball

Or a marble

Try It!

Slide 5

They fall at the same rate of speed, but the marble has more mass (weight) and so gravity makes it fall harder! Gravity has a stronger force on things with more mass!

They fall at the same rate of speed, but the marble has more mass (weight) and so gravity makes it fall harder! Gravity has a stronger force on things with more mass!

Slide 6

It takes a force to overcome gravity!

It takes a force to overcome gravity!

Throw a bean bag in the air

and then

Throw a basketball in the air.

Which one was harder to throw?

Slide 7

You had to use more force to throw the basketball because it has more mass (weight)

You had to use more force to throw the basketball because it has more mass (weight)

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