Mars

Front

What is Mars’s nickname?

Back

the Red planet

Front

How old is Mars?

Back

4.6 Billion years

Front

Mars is the ________ planet from the sun.

Back

fourth

Front

Which is the most plentiful gas in Mars’s atmosphere?

Back

carbon dioxide

Front

A year on Mars is ________ than a year on Earth.

Back

longer

Front

How many seasons does Mars have?

Back

four

Front

Scientists have sent ________ to explore Mars’s surface.

Back

rovers

Front

True or False: Scientists believe liquid water was once present on Mars.

Back

True

Front

Mars is ________ than Earth.

Back

Colder

Front

True or False: Scientists have discovered life on Mars.

Back

False