The Inner & Outer Planets

Which of the following is an outer planet?

• Earth
• Jupiter
• Mars
• Makemake

What is the greenhouse effect?

• Atmospheric gases trap solar heat and warm the surface
• Volcanic activity heats the greenhouse
• Plants on the surface emit gases and make it green
• Solar energy is absorbed by the rings around the planet

Which if the following planets is the smallest?

• Earth
• Mars
• Mercury
• Venus

What are the inner planets composed of?

• gases and ice
• rock and ice
• gases and rock
• rock

What is another name for the inner planets?

• extraterrestrial planets
• terrestrial planets
• gas giants
• gas dwarfs

Which statement is true?

• Venus has been explored by rovers
• Mars has a greenhouse effect
• Earth is the only planet with evidence of water
• Mars has a thinner atmosphere than Venus

Which of the following planets has a greenhouse effect?

• Earth and Venus
• Venus and Mercury
• Saturn and Earth
• Venus and Mars

What are the outer planets mostly composed of?

• rock and ice
• gases and ice
• rock
• rock and ice

Which planet has no atmosphere?

• Earth
• Venus
• Mercury
• Mars

What is another name for the outer planets?

• extraterrestrial planetgas
• terrestrial planets
• gas giants
• gas dwarfs