The Solar System

Front

What are the inner planets made mostly of?

Back

The inner planets are made mostly of rock.

Front

How long does it take the Earth to revolve around the Sun?

Back

It takes 365 days for the Earth to revolve around the Sun.

Front

Which planet is closest to the Sun?

Back

Mercury is the closest planet to the Sun.

Front

What is one main difference between the outer and inner planets?

Back

The outer planets are gas planets.

Front

Which planet is third from the Sun?

Back

Earth is the third planet from the Sun.

Front

What is the largest planet in our Solar System?

Back

Jupiter is the largest planet in our Solar System.

Front

What is the smallest planet in our Solar System?

Back

Mercury is the smallest planet in our Solar System.

Front

What do we call the path that planets take around the Sun?

Back

The path that planets take around the Sun is called an orbit.

Front

What is the name of our galaxy?

Back

Our galaxy is called the Milky Way.

Front

What is a comet?

Back

A comet is a small body of ice, rock, and dust that orbits the Sun.