6.2 Our Solar System Test

Almost Earth’s twin in size and mass, this planet has very thick atmosphere.

• Venus
• Mars
• Mercury
• Neptune

The surface of this planet appears red due to rusting iron in the rocks.

• Mercury
• Mars
• Pluto
• Venus

This cold, blue planet was discovered by a mathematical prediction.

• Neptune

• Jupiter

• Mars

• Venus

This is the largest planet in the solar system.

• Saturn
• Jupiter
• Uranus
• Venus

This is the smallest planet in the solar system

• Mercury
• Venus
• Earth
• Mars

Only planet known to have life

• Earth
• Mars
• Venus
• Mercury

The largest known volcano in the solar system, Olympus Mons, is located on this planet.

• Venus
• Mars
• Mercury
• Earth

This gas giant has a large storm in its atmosphere known as The Red Spot

• Jupiter
• Saturn
• Uranus
• Neptune

Most likely due to a massive collision, this planet rotates from top to bottom.

• Saturn
• Venus
• Neptune
• Uranus

Which of the following statements is correct?

• Pluto was once classified as a dwarf planet, but is now classified as a main planet

• Pluto was never classified as a planet

• Pluto has always been considered a planet

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