1) What is the closest planet to the Sun? a) Venus b) Earth c) Mars d) Mercury 2) Which planet is similar in size to Earth? a) Jupiter b) Saturn c) Venus d) Uranus 3) Which planet is often referred to as the "Red Planet"? a) Mars b) Neptune c) Jupiter d) Saturn 4) What is the largest planet in our solar system? a) Uranus b) Earth c) Jupiter d) Mercury 5) Which planet has stunning rings made of ice and rock particles? a) Neptune b) Uranus c) Mars d) Saturn 6) What are Uranus and Neptune often referred to as? a) Gas giants b) Ice giants c) Terrestrial planets d) Dwarf planets 7) Which planet spins on its side? a) Mercury b) Mars c) Uranus d) Neptune 8) What gives Neptune its deep blue color? a) Thick atmosphere b) Methane in the atmosphere c) Volcanic activity d) Ozone layer 9) What are planets made up of? a) Mostly gas b) Mostly metal c) Mostly water d) Mostly rock  10) Which planet has a thick atmosphere filled with toxic gases? a) Earth b) Venus c) Uranus d) Jupiter

The Planets

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