Terrestrial Planets

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

What is unique about Mercury’s core?    

• It is a very small percentage of its volume.
• It is a very large percentage of its volume.
• It is made of hydrogen gas.  
  
• It is not made of metals.

What is the correct order of the terrestrial planets, in increasing distance from the Sun?  

• Mars, Venus, Earth, Mercury
• Venus, Mercury, Mars, Earth
• Mars, Mercury, Earth, Venus
• Mercury, Venus, Earth, Mars

The atmosphere of Venus is composed primarily of:

• carbon dioxide
• sulfur dioxide
• sulfuric acid
• nitrogen

Which planet is usually the brightest in the sky? 

• Venus
• Jupiter
• Mercury
• Mars

Venus is sometimes referred to as Earth's twin. Why?

• Venus orbited Earth at one time.
• Both have similar temperatures.
• Both have a single natural satellite
• They have similar mass and size.

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

• Mercury
• Mars
• Pluto
• Venus

Mars has two moons; what are their names?

• Phobos and Deisha
• Deisha and Seimos
• Seimos and Deimos
• Phobos and Deimos