Comets

The solid part of a comet is called the _____

• core

• kernal

• nucleus

• coma

Sometimes I am called a "dirty snowball."

• Asteroid

• Star

• Meteor

• Comet

Unlike asteroids, which are mostly rock, comets are a more balanced mixture of _____

• metal and ice

• rock and metal

• ice and rock

• rock and minerals

Tags

NGSS.MS-ESS1-3

As comets progress through their elliptical orbits, they are heated mostly by _____

• the Sun

• friction

• internal molten metals

• convection of gases

Tags

NGSS.MS-PS1-4

Large clump of ice, dust, and small rock particles that has a tail and orbits the sun on a long path

• asteroids

• meteor

• comet

• planet

A celestial body of ice, dust, and rock with an elongated and elliptical orbit.

• coma

• comet

• moon

• planet

The comet tail that points directly away from the Sun as it is swept by Sun's solar winds is called the ​ (a)   tail. The tail that follows the path/orbit of the comet that forms meteor showers when Earth passes through this path is called the ​ (b)   tail. ​

• gas (ion)

• dust

• rat

• end

• fox

• mare

In the past, because comets look fuzzy, they’ve been called _____

• “hairy stars”

• “hairy eyeballs”

• “shooting stars”

• “fuzzy navels”

What is the gaseous cloud around a comet called?

• aura

• coma

• wisp

• haze

When gas molecules emitted by a comet lose electrons, they are said to be _____ 

• dissociated

• ionized

• fissioned

• magnetized

Tags

NGSS.MS-PS1-2