Outer Planets

Which of the following is NOT a characteristic of all of the outer planets?

• they are called gas giants

• they have the same number of moons

• they have a solid core, liquid layer, and gas layer

• they have strong gravitational forces

Order the planets from the sun:​ (a)   , ​ Venus , ​ Earth , ​ (b)   , ​ (c)   , Saturn , ​ (d)   , ​ (e)  

• Mercury
• Mars
• Jupiter
• Uranus
• Neptune

Which of the following planets have a ring system? Select all that apply.

• Jupiter

• Saturn

• Uranus

• Neptune

The outer planets are mostly made of ​ (a)   and ​ (b)   .

• hydrogen
• helium
• nitrogen
• oxygen
• methane

What determines the length of a planet's year?

• its revolution

• its rotation

• ellipse

• its number of moons

What is the largest planet in the solar system?

• Jupiter

• Saturn

• Uranus

• Neptune

Which planet is the least dense so it could float in water?

• Jupiter

• Saturn

• Uranus

• Neptune

Which planet's axis is tilted 98 degrees causing it to rotate on its side?

• Jupiter

• Saturn

• Uranus

• Neptune

Which planet has four large moons known as the Galilean Moons?

• Jupiter

• Saturn

• Uranus

• Neptune

Which planet has the longest year?

• Jupiter

• Saturn

• Uranus

• Neptune