1: What is Pluto?
a) A planet
b) A dwarf planet
c) An asteroid

3: How long does it take Pluto to rotate, or spin around, once?
a) About 203 Earth days
b) About 6.5 Earth days
c) 2 Earth hours

5: What is the surface of Pluto like?
a) Covered by a sea of boiling water
b) Covered with ice
c) Rocky with volcanoes blasting icy liquid into the sky

7: What is the name of Pluto’s largest moon?
a) Makemake
b) Mickey
c) Charon

9: When was Pluto discovered?
a) 1930
b) 1890
c) 2001

2: How wide is Pluto?
a) 1,430 miles (2,302 km) wide
b) 250 miles (402 km) wide
c) 600 miles (966 km) wide

4: How long is a year on Pluto?
a) Nearly 10 Earth years
b) About 1 million Earth years
c) Nearly 248 Earth years

6: How many moons have scientists discovered orbiting Pluto?
a) 22
b) 10
c) 5

8: Who or what is Pluto named after?
a) A famous cartoon character
b) A dog belonging to the scientist who discovered Pluto
c) The Roman god of the underworld and afterlife

10: Which statement is false?
a) Pluto is larger than Mars.
b) Pluto used to be called a planet.
c) Charon is about half the size of Pluto.

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11: Which of these statements is true?
a) New Horizons is a space probe launched in 1930.
b) New Horizons is the telescope used to discover Pluto.
c) New Horizons is a probe that will reach Pluto in 2015.

13: Which dwarf planet is closest to the Sun?
a) Ceres
b) Pluto
c) Eris

15: What is the Kuiper Belt?
a) A group of asteroids between Mars and Jupiter
b) A ring of moons circling Pluto
c) An area where Pluto and other dwarf planets orbit the Sun

17: What shape is the dwarf planet Haumea?
a) Egg-shaped
b) Shaped like a lumpy potato
c) Banana-shaped

19: Which statement is false?
a) The surface of Makemake is covered with ice.
b) Makemake is a dwarf planet.
c) A year on Makemake lasts for 283 Earth years.

14: How big is Ceres?
a) It is almost as wide as the United States.
b) It is bigger than Earth.
c) It is almost as wide as Texas.

16: Which of these statements is true?
a) Ceres is both a dwarf planet and an asteroid.
b) Ceres orbits the Sun in the Kuiper Belt.
c) Ceres is farther from the Sun than Pluto.

18: Which statement is true?
a) Haumea has two known moons.
b) Haumea has no moons.
c) A year on Haumea lasts for 307 Earth years.

20: Which dwarf planet travels farthest from the Sun?
a) Pluto
b) Eris
c) Makemake

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12: How many dwarf planets have been discovered so far?
a) 3
b) 5
c) 12