Gravity

Front

What is gravity?

Back

Gravity is a force that pulls objects toward each other. It is what keeps us on the ground and causes objects to fall.

Front

What causes a baseball to fall back to the ground when thrown up?

Back

The force of gravity causes the baseball to fall back down.

Front

What keeps the planets in orbit around the sun?

Back

Gravity keeps the planets in orbit around the sun.

Front

Can you give an example of gravity in action?

Back

A waterfall is an example of gravity, as it pulls water down.

Front

What force pulls a sled down a snowy hill?

Back

Gravity pulls the sled down the hill.

Front

What is air resistance?

Back

Air resistance is a force that opposes the motion of an object through air.

Front

How does a parachute work?

Back

A parachute uses air resistance to slow down the pull of gravity when falling.

Front

What happens to objects in free fall?

Back

Objects in free fall are only affected by gravity and fall towards the Earth.

Front

What is weight?

Back

Weight is the force of gravity acting on an object, depending on its mass.

Front

How does mass affect gravity?

Back

The more mass an object has, the stronger its gravitational pull.