Comet

Which object is like a "dirty snowball" about the size of a mountain?

• Asteroid

• Comet

• Meteor

• Meteoroid

Gas and dust form a fuzzy outer layer around a comet's head, called a ______________________.

• Nucleus

• Coat

• Coma

• Tail

As a comet approaches the sun, the gas and dust heat up and ____________________________.

• form a fuzzy coma.

• stream outward forming tails.

• disappear.

• shrink.

Which objects are found in the Oort cloud and Kuiper belt?

• Comets

• Meteors

• Asteroids

A doughnut-shaped region of comets that extends from beyond Neptune's orbit to about 100 times Earth's distance from the sun.

• Kuiper Belt

• Asteroid Belt

• Oort Cloud

• Milky Way

Tags

NGSS.MS-ESS1-3

A spherical region of comets that surrounds the solar system out to more than 1000 times the distance between Pluto and the sun.

• Kuiper Belt

• Asteroid Belt

• Oort Cloud

• Milky Way

Tags

NGSS.MS-ESS1-3

The shape of comet's paths are ________________.

• circular

• elliptical

• irregular

What do comets, asteroids and meteors all have in common?

• They all are made of ice

• They all hit Earth's surface

• They all orbit the sun

• They have nothing in common

Which object in space looks like a "dirty snowball" because of its composition of ice, gas and dust?

• Asteroid

• Meteoroid

• Comet

• Meteor

An object described as a ball of dust, ice, and gases, and usually has a tail is called an ______

• Asteroid

• Meteor

• Meteorite

• Comet