How much do you know about Neptune? Test your knowledge by taking the Neptune quiz. All you need to do is click on an answer for each question. Have fun!
1: What is Neptune?
a) A moon
b) A planet
c) A dwarf planet
3: Which statement is false?
a) Neptune is the eighth planet from the Sun.
b) Neptune is the farthest planet from the Sun.
c) Neptune is the seventh planet from the Sun.
5: How long is a year on Neptune?
a) About 3 Earth years
b) About 165 Earth years
c) About 65 Earth days
9: How long does it take Neptune to rotate, or spin around, once?
a) 10 minutes
b) About 20 Earth days
c) About 16 Earth hours
11: What discovery did Voyager 2 make?
a) Huge rocks on Neptune that spell “Greetings”
b) Several rings and five more moons circling Neptune
c) A mountain on Neptune 10 times taller than Mount Everest
17: Which statement is true?
a) Neptune is larger than Earth.
b) Neptune is larger than Jupiter.
c) Neptune is larger than Saturn.
2: How many moons does Neptune have?
a) 203
b) At least 13
c) 3
4: Which statement is true?
a) Neptune is covered with volcanoes.
b) Neptune is covered with trees and other plants.
c) Neptune is a huge ball of icy gases and liquids.
6: How fast do winds on Neptune blow?
a) Up to 150 miles per hour (240 km/h)
b) Up to 1,500 miles per hour (2,400 km/h)
c) Up to 15 miles per hour (24 km/h)
8: Which statement is false?
a) Neptune is a very hot planet.
b) Neptune is a very stormy planet.
c) Neptune is a very cold planet.
10: Who or what is Neptune named after?
a) The Greek god of the sky
b) A submarine in a James Bond movie
c) The Roman god of the sea
12: Which of these statements is false?
a) Probes have found life on Neptune’s moon Triton.
b) Triton has volcanoes that blast icy liquid into the sky.
c) Liquid from Triton’s volcanoes freezes and falls as snow.
14: What do scientists think the center of Neptune might
be made of?
a) Hot, melted rock and metal
b) Icy liquids
c) A ball of rock and ice
16: What is the Great Dark Spot?
a) A large ice volcano at Neptune’s north pole
b) A huge, dusty desert at Neptune’s south pole
c) A giant hurricane on Neptune
20: Which statement is false?
a) Neptune is about four times wider than Earth.
b) The Great Dark Spot is bigger than Earth.
c) Neptune has canyons deeper than the Grand Canyon.
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version of these questions.