Planet Quiz
This planet quiz tests how well you really know the eight planets of our Solar System, their sizes, their moons, and all their strange and wonderful features.
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15 questions
Which is the smallest planet in the Solar System? Choices: Mars, Mercury, Venus, Pluto Which planet has the most known moons? Choices: Saturn, Jupiter, Uranus, Neptune Which two planets are known as the ice giants? Choices: Jupiter and Saturn, Mars and Mercury, Uranus and Neptune, Venus and Earth Which planet takes the longest to complete one orbit of the Sun? Choices: Saturn, Neptune, Uranus, Jupiter Which planet has a day that is longer than its year? Choices: Mercury, Mars, Jupiter, Venus Which is the largest planet in the Solar System? Choices: Saturn, Neptune, Jupiter, Uranus Which two planets have no moons at all? Choices: Mercury and Venus, Earth and Mars, Jupiter and Saturn, Uranus and Neptune Which planet has the most extreme temperature swings between day and night? Choices: Mars, Venus, Pluto, Mercury Which planet's day length is closest to Earth's, at about 24 hours? Choices: Venus, Jupiter, Mars, Saturn Which planet has the strongest winds recorded in the Solar System? Choices: Neptune, Jupiter, Saturn, Uranus Which planet is tilted so far that it essentially spins on its side? Choices: Neptune, Uranus, Saturn, Jupiter Which planets are known as the gas giants? Choices: Uranus and Neptune, Mars and Earth, Mercury and Venus, Jupiter and Saturn Where does Earth rank in size among the eight planets? Choices: Third, Fourth, Fifth, Sixth Which planet is the only one not named after a Greek or Roman god? Choices: Mars, Earth, Venus, Saturn Which planet has seasons most similar to Earth's, because of a similar axis tilt? Choices: Mars, Jupiter, Venus, Mercury Español · Français · Deutsch · Português