Solar System and 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

Do all objects with mass experience gravity?

Back

True

Front

What is a meteor?

Back

A meteoroid that has entered Earth's atmosphere. Also called a 'shooting star'.

Front

As mass increases, what happens to gravitational forces?

Back

Gravitational forces increase.

Front

What is the doughnut-shaped region of icy objects beyond the orbit of Neptune?

Back

Kuiper Belt.

Front

What is the source of light and heat for the planets in the solar system?

Back

The sun.

Front

What is a meteoroid?

Back

A small rocky or metallic body in outer space.

Front

What is the difference between a comet and an asteroid?

Back

Comets are made of ice and dust, while asteroids are made of rock and metal.

Front

What is the force that keeps the planets in orbit around the sun?

Back

Gravity.

Front

What happens to gravity as the distance between two objects increases?

Back

Gravity decreases.