GRAVITY VOCABULARY

Front

What is a celestial body?

Back

An object in space, like a planet or star.

Front

What happens during a collision?

Back

Two objects crash into each other and change.

Front

What is a continent?

Back

A large area of land on Earth.

Front

What is critical speed?

Back

The speed at which something spins and starts to vibrate.

Front

What is gravitational force?

Back

The pull between two objects with mass.

Front

What is gravity?

Back

A force that pulls objects toward each other.

Front

How is gravity assist used?

Back

To make spacecraft go farther or faster using a planet's gravity

Front

What does inertia state?

Back

Objects will remain at rest or in motion unless acted on by an outside force

Front

What is mass?

Back

How much matter is inside an object

Front

What is motion?

Back

The movement of an object from one place to another