The Solar System

Which planet has the fastest rotation?

• Mercury
• Earth
• Jupiter
• Saturn

How long are Venus's day and year?

• day: 225 days
  year: 244 days 
• day: 244 days
  year: 225 days

Which planet has the thinnest atmosphere? 

• Mars 
• Jupiter
• Neptune
• Uranus

Where is the asteroid belt located?

• between Uranus and Neptune
• beyond Neptune
• between Mercury and Venus
• between Mars and Jupiter

Which planet's day is longer than its year?

• Mars
• Jupiter
• Venus
• Uranus

Which planet has the largest rings made of ice and rock?

• Saturn
• Jupiter
• Mercury
• Uranus

What is Earth's atmosphere mostly made of?

• oxygen
• helium
• hydrogen
• nitrogen

• waxing gibbous 
• waning crescent
• waning gibbous
• full moon 

Which planet is tilted almost 90° on its side?

• Uranus 
• Neptune
• Jupiter 
• Pluto

Which two planets have no moons? 

• Venus, Uranus
• Neptune,Uranus
• Earth, Mars 
• Venus, Mercury