Planets quiz review

The four terrestrial planets all have

• Rocky surfaces
• Hot temperatures
• Deep atmospheres
• Large size

Which planet is the hottest planet?

• Mercury
• Mars
• Venus
• Saturn

The planet with the shortest year is

• Earth
• Neptune
• Pluto
• Mercury

What do all the items in this list have in common?
1)has a day longer than its year
2)is the hottest planet
3)rotates counter clockwise (east to west)

• This list describes Earth.
• This list describes Mercury.
• This list describes Mars.
• This list describes Venus.

The absence of a dense atmosphere and Mercury’s slow rotation contribute to 

• long days & short nights   
• short days & long nights   
• steady temperatures   
• a large daily temperature range   

The motion of a body orbiting another body in space is called _____.

• revolution 
• period of revolution
• rotation
• period of rotation

The air on Venus is mostly ____.

• carbon dioxide
• oxygen
• sulfur

The planet _____ has the largest volcano in the solar system called Olympus Mons. 

• Earth
• Mars
• Venus
• Jupiter

1 day on Mercury = _______

• 2.34 days

• 59 days

• 10 hours

• 32min

1 year on Mercury =__________

• 12 days

• 2.36 hours

• 42 days

• 88 days