Front

What is the closest planet to the Sun?

Back

Mercury is the closest planet to the Sun.

Front

What is another name for Mars?

Back

Mars is also known as the Red Planet.

Front

Why is Venus the hottest planet?

Back

Venus is the hottest planet because its atmosphere traps the heat.

Front

Does Mercury have an atmosphere?

Back

Yes, Mercury has a very thin atmosphere.

Front

Which planet is covered in toxic clouds?

Back

Venus is covered in toxic clouds.

Front

What are the inner planets?

Back

The inner planets are Mercury, Venus, Earth, and Mars.

Front

What is the main component of Venus's atmosphere?

Back

The main component of Venus's atmosphere is carbon dioxide.

Front

Which inner planet is known for having water?

Back

Earth is known for having water.

Front

What is the surface of Mars primarily made of?

Back

The surface of Mars is primarily made of iron oxide, giving it a reddish color.

Front

What is unique about Mercury's temperature?

Back

Mercury has extreme temperature variations, being very hot during the day and very cold at night.