6th Grade ESS1 review

Which planet has the least amount of mass?

• Mars
• Mercury
• Venus 
• Earth

Which planet rotates the quickest?

• Jupiter
• Mars
• Venus
• Earth 

Which celestial object  is the most massive?

• Jupiter
• the Sun
• Earth
• Neptune

Which planet rotates the slowest? 

• Venus
• Jupiter
• Saturn
• Neptune

Which celestial object is the largest in the sky?

• Earth
• Jupiter
• Sun
• Mars

Why do you think it takes Neptune so long to revolve around the sun?

• Because it is so big
• Because it is so far from the sun
• Because it is so close to the sun
• because it is mostly gas

Why do you think there is no data in the columns for the Sun's average distance and period of revolution (1st 2 columns)?

• That information is not yet known
• Everything is being measured in relation to the sun
• Scientists have not discovered it yet
• They forgot to put it that info. 

Which planet is closest to the sun?

• Mercury
• Mars
• Saturn
• Venus

Which planet rotates at almost the same speed as Earth?

• Mars
• Uranus 
• Jupiter
• Saturn

Which 2 planets are almost the same size? 

• Uranus & Neptune
• Jupiter & Saturn
• Earth & Venus
• Mercury & Venus