Planets

Front

What planet is closest to the sun?

Back

Mercury

Front

What are the four inner planets?

Back

Mars, Earth, Mercury, Venus

Front

Which planet below is farthest from the sun?

Mars

,

Earth

,

Jupiter

Back

Jupiter

Front

What are the outer planets?

Back

Uranus, Saturn, Neptune, Jupiter

Front

Pluto is considered a ___________ planet

Back

Dwarf

Front

What is the name of the only planet that supports life?

Back

Earth

Front

The sun is a ___________.

Back

Star

Front

Which planet is known as Earth's twin because it is a similar size?

Back

Venus

Front

Which planet do scientists think we may be able to walk on in 20 years?

Back

Mars

Front

What is the smallest planet in the solar system?

Back

Mercury