Space Review

Front

What planet is covered with clouds of carbon dioxide and has more than 1,000 volcanoes?

Back

Venus

Front

Which planet is known as the 'Red Planet'?

Back

Mars

Front

What are the planets made up mostly of gases called?

Back

Outer planets

Front

What is the smallest planet in the solar system?

Back

Mercury

Front

What term is used for planets that are sometimes called gas giants?

Back

Outer planets

Front

What is the main component of Venus's atmosphere?

Back

Carbon dioxide

Front

Which planet is the fourth from the sun?

Back

Mars

Front

What are the inner planets primarily made of?

Back

Rock and metal

Front

Name the largest planet in our solar system.

Back

Jupiter

Front

What is the primary characteristic of gas giants?

Back

They are mostly made of gases and have thick atmospheres.