Dwarf Planets

What is a dwarf planet? (Check all that apply)

• Objects that orbit the Sun

• Nearly round

• Orbits are clear of debris

• Orbits are not clear of debris

How many dwarf planets are there?

• 1

• 5

• 10

• Too many to count

What is the correct order for the dwarf planets starting with closest to the Sun?

• Eris, Makemake, Haumea, Pluto, and Ceres

• Makemake, Ceres, Eris, Haumea, and Pluto

• Pluto, Ceres, Haumea, Makemake, and Eris

• Ceres, Pluto, Haumea, Makemake, and Eris

Tags

NGSS.MS-ESS1-3

What year was Pluto reclassified as a dwarf planet?

• 1978

• 2006

• 2018

• It hasn't happened yet, but it will soon

What is special about the dwarf planet Ceres? (check all that apply)

• It is the only dwarf planet in the out solar system.

• It is the only dwarf planet in the inner solar system

• It is the largest object in the asteroid belt

• It is the smallest object in the asteroid belt

Tags

NGSS.MS-ESS1-3

Which dwarf planet was the first to be visited by a spacecraft?

• Ceres

• Pluto

• Eris

• Haumea

How many hours does it take Haumea to complete one rotation around the Sun?

• 1 hour

• 4 hours

• 7 hours

• 10 hours

Why does Makemake hold an important place in history?

• It is the first dwarf planet to hold life

• It is the first planet to orbit the Sun

• It was the first object to make them reconsider the definition of a planet and actually create dwarf planets

• It was the first object to make them keep the definition of a planet the same

Which dwarf planet is the largest?

• Haumea

• Pluto

• Ceres

• Eris

Tags

NGSS.MS-ESS1-3

Can dwarf planets have moons and rings?

• No

• Yes