Gravity & Overcoming Gravity

What is gravity?

• A sound we hear

• A force that pulls objects toward Earth

• A kind of weather

• A push that goes up

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Which of these is a force?

• Gravity

• Color

• Shape

• Light

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What force pulls an apple off a tree?

• Wind

• Gravity

• Magnetism

• Electricity

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What happens when you jump up?

• You float forever

• You stay in the air

• You fall back down

• You fly away

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Which object is being pulled by gravity?

• A pencil falling off a desk

• A plane flying high

• A balloon floating

• A fish swimming

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Why do astronauts float in space?

• They wear special suits

• There’s no air in space

• There’s very little gravity

• The Sun pulls them

Which would fall faster in a vacuum (no air)?

• Feather

• Rock

• Both at the same time

• Neither

What must a rocket do to leave Earth?

• Push down hard to overcome gravity

• Turn off engines

• Wait for the moon

• Spin really fast

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What does 'overcome gravity' mean?

• To fall down

• To float away

• To push hard enough to go up

• To dig underground

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If you drop a ball and a book at the same time from the same height, what will happen in a vacuum?

• The ball will hit the ground first

• The book will hit the ground first

• Both will hit the ground at the same time

• Neither will hit the ground

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