The Solar System Chapter 6 Review

What are the four terrestrial planets?

• Mercury Venus Earth Saturn

• Jupiter Saturn Uranis Neptune

• Jupiter Luna Mars Earth

• Venus Earth Mercury Mars

The planets known as the gas giants include

• Mercury Venus Earth Mars

• Jupiter Saturn Uranis Pluto

• Jupiter Saturn Uranis Neptune

• Jupiter Mars Saturn Uranis

How long does it take Earth to complete one revolution.

• One Year

• One Day

• One Week

• One Month

Mercury and Venus both have phases like the moon when viewed from Earth. This is because Mercury and Venus

• rotate more slowly than Earth

• revolve around the Sun inside Earth's orbit

• pass behind the Sun in their orbit

• are eclipsed by Earth's shadow

The Sun's position in space is best described as the approximate center of

• a constellation

• the Milky Way galaxy

• the universe

• our solar system

Compared to Pluto, Mercury moves more rapidly in its orbit because Mercury

• is larger

• is more dense

• is closer to the Sun

• has a more elliptical orbit

Which planet is approximately 30 times further from the Sun than Earth?

• Jupiter

• Saturn

• Uranis

• Neptune

Which planet takes more time to complete one rotation on its axis than to complete one revolution around the Sun?

• Mercury

• Venus

• Mars

• Jupiter

Compared to Earth, Neptune is

• smaller, more gaseous, less dense

• larger, more gaseous, less dense

• smaller, more solid, more dense

• larger, more solid, more dense

Which planet would float if placed in water?

• Mercury

• Earth

• Saturn

• Pluto