Gravitational Forces Between Objects

Front

What pulls objects toward the center of Earth?

Back

Gravity

Front

What is the term for the gases that encircle Earth?

Back

Atmosphere

Front

What does the gravitational force between Earth and the Sun cause?

Back

Earth's orbit

Front

What is mass?

Back

The amount of matter that makes up an object.

Front

What do astronomers study?

Back

Space.

Front

What is the relationship between mass and weight?

Back

Weight is the force of gravity acting on an object's mass.

Front

What is the formula for calculating weight?

Back

Weight = Mass x Gravity.

Front

What is the effect of gravity on objects in space?

Back

It keeps planets in orbit around stars.

Front

What is the difference between mass and weight?

Back

Mass is the amount of matter; weight is the force of gravity on that matter.

Front

What is an example of a gravitational force?

Back

The pull of Earth on an apple falling from a tree.