Inner Planets

Which terrestrial planet has a day that is close to two Earth months long?

• Mercury
• Mars
• Pluto
• Venus

Which of the following statements is NOT true about Olympus Mons?

• It is 3 times as high as Mt Everest
• It is the largest mtn in the solar system
• Its base is about the size of Arizona
• It has never erupted

What causes a high surface temperature on Venus?

• the density of its atmosphere
• the acid content of its atmosphere
• the fast period of rotation
• its retrograde spin on the axis

The time that an object takes to complete its orbit once

• period of revolution
• period of rotation
• prograde rotation
• retrograde rotation

The amount of time it takes for an object to rotate once

• period of revolution
• period of rotation
• prograde rotation
• retrograde rotation

The kind of rotational spin that causes the sun to appear to rise in the west and set in the east

• period of revolution
• period of rotation
• prograde rotation
• retrograde rotation

Which of the following planets is farthest from the Sun?

• Mars
• Mercury
• Venus
• Earth 

Which is the second closest planet to the sun?

• Earth
• Saturn
• Venus
• Mercury

What is the closest planet to the Sun?

• Mercury
• Mars
• Venus
• Earth 

Which planet is third from the sun?

• Mars
• Pluto
• Venus
• Earth