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Q4 SCI8 SPACE ROCKS

Total questions: 10

Worksheet time: 8mins

Name
Class
Date
1.

They are much smaller than planets but are larger than

meteoroids.

a)

Comets

b)

Asteroids

c)

Meteoroids

2.

It is a region in our solar system between the orbits of Mars and Jupiter in which asteroids are heavily concentrated.

a)

Kuiper Belt

b)

Oort Cloud

c)

Asteroid Belt

3.

These are asteroids that share an orbit with a large planet or moon.

a)

Jupiter asteroids

b)

Trojan Asteroids

c)

Meteorites

4.

They are colloquially known as “dirty snowballs” in space.

a)

Meteorites

b)

Asteroids

c)

Comets

5.

It is the most famous comet that appears only once every 75 to 76 years.

a)

The Great comet of 1823

b)

Biela's Comet

c)

Halley's Comet

6.

It is a cloud around the nucleus of a comet that is made by the particles and gases as the ice starts to melt off.

a)

Coma

b)

Tail

c)

Nucleus

7.

Meteoroids are fragments of _______________.

a)

Rocky materials

b)

Pure metals

c)

Different compounds

8.

It is a meteoroid that manages to reach the surface of the Earth as a solid object.

a)

Meteor

b)

Meteoroid

c)

Meteorite

9.

Meteors that glow brighter than planets are called____________.

a)

Fireballs

b)

Snowballs

c)

Meteorballs

10.

The glowing tail of a meteoroid is called ___________.

a)

Meteorite

b)

Meteor

c)

Fireball