The Solar System in Review

In addition to Earth, how many planets are in our solar system?

• 8

• 7

• 9

• 5

Name the Inner Planets in order, starting closest to the Sun.

• Earth, Venus, Mercury, Mars

• Mercury, Venus, Earth, Mars

• Mercury, Earth, Mars, Venus

• Mercury, Mars, Earth, Jupiter

Why is the Sun our brightest star?

• It is our favorite star

• It is the biggest star

• It is not the brightest star

• It is the closest star to us.

Which planet is often referred to as Earth's twin?

• Mars

• Venus

• the Moon

• Jupiter

The hottest planet in our solar system is

• Mercury

• Jupiter

• Neptune

• Venus

The largest planet in our solar system is

• Earth

• Neptune

• Saturn

• Jupiter

All of the following are terrestrial planets.

• Earth, Mars, Saturn, Venus

• Venus, Earth, Mars, Neptune

• Venus, Earth, Mars, Mercury

• Uranus, Venus, Neptune, Mars

The ice giants are

• Neptune and Uranus

• Jupiter and Saturn

• Earth and Mars

• Uranus and Saturn

This is what causes Neptune and Uranus to have a blue color.

• ice/water on the planet

• methane

• hydrogen

• helium

The gas giants are... (not including the ice giants)

• Neptune and Saturn

• Saturn and Juptier

• Earth and Venus

• Mars and Mercury