Planets

Front

What is the order of the planets from the Sun?

Back

Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune.

Front

What is Pluto's current classification?

Back

Pluto was once considered a planet, but no longer is.

Front

What are the four inner planets?

Back

Mercury, Venus, Earth, Mars.

Front

What is a heliocentric model?

Back

A model of the solar system where the Sun is at the center.

Front

What are the outer planets?

Back

Jupiter, Saturn, Uranus, Neptune.

Front

What is the main difference between inner and outer planets?

Back

Inner planets are rocky and smaller; outer planets are gas giants and larger.

Front

What is a dwarf planet?

Back

A celestial body that orbits the Sun and is spherical but does not clear its orbit.

Front

Name the largest planet in our solar system.

Back

Jupiter.

Front

What is the significance of the asteroid belt?

Back

It separates the inner planets from the outer planets.

Front

What is the main component of the Sun?

Back

Hydrogen.