Astronomy SOL Review

Which planet has the hottest temperature? (a)  

• Mars
• Venus
• Mercury
• Earth

Which is the correct order of planets, starting with closest to the sun? (a)  

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

Which planet has the shortest year? (a)  

• Mars
• Mercury
• Earth
• Venus

A day is longer than a year on this planet (a)  

• Jupiter
• Mars
• Venus
• Earth

Gravity of this object keeps planets in their orbits (a)  

• moon
• sun
• Jupiter

Two things that affect an object's gravity are mass and distance (a)  

• true
• false

What are the first four terrestrial planets made of? (a)  

• Gas
• Rock
• Metal
• Ice

What is the result of the Greenhouse Effect on the surface temperature of Venus?

• It has little or no effect

• It is the same effect as on Earth

• It has a slightly reduced surface temperture

• It has a extremely high surface temperature

How old is our solar system?

• 14 billion years
• 4.6 billion years
• 13.2 billion years
• 225 million years

How many terrestrial planets are there?

• 4
• 9
• 1
• 35