Comets asteroids

Made of ice, dust and gas

• asteroid
• meteoroid
• comet
• meteor

How are comets made?

• They are made of ices, such as water, carbon dioxide, ammonia and methane, mixed with dust.

• Dust and Wind

• Ice and Dust

What forms the dust and gas tails of a comet?

• The solar wind

• The Sun's gravity

What path do comets follow?

• Path around the Sun

• path around the Moon

Select all ingredients a comet is composed (made) of

• Dust

• Iron

• Ice

• Small rocky particles

A comet forms a tail when

• It is deep in outer space and begins to melt

• It gets close to the sun and begins to melt

A comet's orbit is faster...

• when it is in the Oort Cloud
• when it is near the Sun
• when it is far from the sun

The tail of a comet usually faces

• toward the sun
• toward the Earth
• away from the Sun
• away from the Earth

The shape of comet's paths are ________________.

• circular

• elliptical

• irregular

Comets are named after

• astronauts

• the person who discovers them

• teachers

• presidents