Comets

In the diagram, a comet's tail always points where?

• Towards the Sun

• Away from the Sun

• Towards Earth

• Away from Earth

Tags

NGSS.MS-ESS1-1

The process of ice turning directly into a gas is called _____

• fusion

• convection

• sublimation

• evaporation

Tags

NGSS.MS-ESS2-4

What compromises the structure of a comet?

• Nucleus, Coma, Dust tail, Ice

• Nucleus, Dust tail & gases

• Nucleus, Coma, dust tail & gas tail (ion tail)

Comets make there way around the sun in an elliptical orbit.

• TRUE

• FALSE

Tags

NGSS.MS-ESS1-2

NGSS.MS-PS2-4

As comets approach the sun they travel faster and have:

• shorter tails

• medium tails

• longer tails

• no tails due to solar winds

Nickname for Comets--

• Rocks that glow

• rock "stars"

• dirty snowballs

After orbiting the sun frequently Comets break into:

• meteors

• meteoroids

• meteorites

Which of the following best describes a comet?

• It is made of ice, rock, and dust.

• It is located between Mars and Jupiter

• It has a short elliptical orbit

• Comets are leftover fragments from the time when planets formed in the solar system.

True or False: A comet's tail points AWAY from the Sun?

What force keeps planets, comets, asteroids, and meteoroids in orbit around the Sun?

• Electricity

• Solar power

• Inertia

• Gravity

Tags

NGSS.MS-ESS1-2

NGSS.MS-PS2-4