The high temperatures on Venus' surface are a result of

• how close Venus is to the sun.
• the sulfuric acid in the atmosphere.
• its extremely long days.
•   the runaway greenhouse effect.

What is the name of the highest and largest volcano in the solar system? 

• Vallis Marinaris
• Mount Everest
• Mount Vastichock
• Olympus Mons

Where is most of the oxygen on Mars? 

• in clouds
• in polar ice caps
• in the atmosphere
• bound in rocks

How would you compare the diameter of Mars to the Earth's?   

• 2 times the Earth's
• 1/2 the Earth's
• 1/10 the Earth's
• 5 times the Earth's

How is Mercury different from the other Terrestrial planets?   

• It has volcanoes on its surface
• It has water on its surface
• It is airless and barren
• It has two moons

Which of the Terrestrial planets has at least one moon?  

• Earth & Mars
• only the Earth
• Earth, Mars & Venus
• all of them

Which of the following is NOT something that the Terrestrial planets all have in common?               

• they are lacking atmospheres
• they are lacking a ring system
• they are small
• they have few or no moons

What types of features dominate the surface of Venus?     

• dried up river beds
• oceans
• volcanoes
• impact craters

The main component of Mars’ atmosphere is     

• nitrogen
• oxygen
• carbon dioxide
• sulfuric acid

      Which NASA mission was the first to map 98% of Venus’ surface.             

• Curiosity
• Magellan
• MESSENGER
• Venus Express