1) Which planet is the smallest and orbits the Sun every 88 Earth days? a) Venus b) Mercury c) Mars 2) Which planet spins in the opposite direction to most planets and is the hottest? a) Earth b) Venus c) Saturn 3) What is the only planet known to support life? a) Mars b) Earth c) Jupiter 4) Which planet is known as the “Red Planet,” has a thin atmosphere, and is home to four NASA robots? a) Mars b) Mercury c) Uranus 5) Which planet is twice as big as all other planets combined and has a storm older than centuries? a) Jupiter b) Neptune c) Saturn 6) Which planet is famous for its icy rings? a) Saturn b) Uranus c) Jupiter 7) Which planet rotates on its side at an almost 90-degree angle? a) Uranus b) Neptune c) Mercury 8) Which planet is the most distant in our solar system and is a cold, dark world nearly 3 billion miles from the Sun? a) Pluto b) Neptune c) Uranus 9) Which dwarf planet was once considered the ninth planet, is smaller than Earth’s moon, and has five of its own moons? a) Pluto b) Mars c) Mercury

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