Solar System/Third Grade

Front

What is our solar system made up of?

Back

The solar system is the Sun, and the group of planets and bodies that orbit it.

Front

What is at the center of the Solar System?

Back

The Sun is at the center of our solar system.

Front

What is a star?

Back

A star is a body of hot gases that makes its own light and heat.

Front

True or False. Our Sun is a star.

Back

True

Front

What’s in the inner solar system?

Back

There are four planets in the inner solar system.

Front

Which planet is closest to the sun?

Back

Mercury

Front

Which planet is the hottest?

Back

Venus

Front

Why is the Earth called "the blue planet"?

Back

Because there is so much water on it.

Front

Why is Mars called the “red planet”?

Back

Because it has reddish rocks.

Front

Why are the planets in the outer solar system colder than the ones in the inner solar system?

Back

Because they’re farther from the Sun.