Planets Review

What planet has the largest orbital radius?

• mercury

• venus

• uranus

• neptune

What do we call the outer four planets?

• terrestrial planet

• beasts

• gas giants

• O.G.s

What is the "brightest" planet in the sky?

• mars

• venus

• jupiter

• neptune

What are the three main substances that make up the outer planets?

• hydrogen, oxygen, helium

• oxygen, carbon dioxide, helium

• helium, hydrogen, methane

• sulfuric acid, methane, hydrogen

Which planet takes the longest to rotate at 243 days?

• mercury

• jupiter

• mars

• venus

The surface of mercury is most similar to

• the sun

• the moon

• the earth

• jupiter

What is the largest planet in our solar system?

• mercury

• jupiter

• mars

• uranus

• saturn

Which planet has the most moons?

• mercury

• neptune

• earth

• jupiter

• saturn

Which terrestrial planet has the densest atmosphere?

• mercury

• venus

• earth

• mars

Which planets have rings?

• jupiter and saturn

• mars and mercury

• the terrestrial planets

• the jovian planets