Quizizz: Chapter 22: Universe

Why would a dwarf planet be in a neighborhood with other large bodies?

• It lacks strong enough gravitational forces to clear them out.
• It resides in the wrong place in the solar system.
• They do not have cool enough names.
• They have a magnetic force that keeps the large bodies near them.

What are the two neighborhoods that dwarf planets reside? (Select 2 items)

• Asteroid Belt
• Outside of our Solar System
• Kuiper Belt
• Outer Planet Zone

(We did not learn this in class, and this question will not be worth any points. Use your critical thinking skills to answer. Hint: Look at the prefix.) True/False: An exoplanet is a planet discovered outside of our solar system.

• True
• False

What is the name of a celestial fragment that made it through our atmosphere and landed on Earth?

• Meteoroid
• Meteor
• Meteorite

What is the name of a celestial body that has a tail of gas and dust from melting ice?

• Comet
• Asteroid
• Meteoroid
• Meteor

What is nicknamed a "dirty snowball"?

• Meteoroid
• Asteroid
• Meteor
• Comet

True/False: A comet tail always points away from the Sun, no matter the direction it is traveling.

• True
• False

What is the name of our most famous comet?

• Green Comet
• Halley's Comet
• 16 Psyche
• Ceres

What are the three dwarf planets we learned about? (Select 3)

• Pluto
• Eris
• Psyche
• Ceres

The discovery of what dwarf planet in 2005 led to the demotion of Pluto into dwarf planet status?

• Psyche
• Eris
• Ceres
• Pluto