Solar System, Earth and Geologic Time Scale Review

The four inner planets are ______________.

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

The smallest planet in the solar system is _____________

• Mercury
• Venus
• Mars
• Neptune

The hottest planet is ____________________.

• Mercury
• Venus
• Mars
• Earth

Which of the following consists mostly of small bodies of ice located just beyond Neptune's orbit?

• the asteroid belt

• the Kuiper belt

• a meteor shower

• the Oort cloud

The sun is much larger than the moon. However, as viewed from Earth, the sun and moon appear to be the same size. Why do the sun and moon appear to be the same size when viewed from Earth?

• The moon is much hotter than the sun.

• The moon is much denser than the sun.

• The moon is much brighter than the sun.

• The moon is much closer to Earth than the sun.

Which option below lists the planets in the correct order from the Sun?

• Mars, Venus, Earth, Mercury, Jupiter, Saturn, Uranus, Neptune
• Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune 
• Mercury, Earth, Venus, Mars, Jupiter, Saturn, Uranus, Neptume
• Mercury, Venus, Earth, Mars, Saturn, Jupiter, Uranus, Neptune

The inner planets are

• small
• large

The outer planets have______ moons. 

• few
• many

The _______ planets are rocky. 

• inner
• outer

Which planet has the largest system of rings?

• Uranus
• Saturn
• Neptume
• Mercury