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Space Lesson - Black Holes

Total questions: 21

Worksheet time: 13mins

Name
Class
Date
1.

All black holes have an extremely high...

a)

Volume

b)

Density

c)

Mass

d)

Temperature

2.

A black hole has such a large gravitational force that even (a)   cannot escape it.

3.

What is the largest type of black hole?

a)

Intermediate-mass

b)

Stellar-mass

c)

Supermassive

d)

Primordial

4.

True or False: Primordial black holes are only theoretical

a)

True

b)

False

5.

Stellar-mass black holes are formed when a massive star...

a)

Collapses

b)

Explodes

c)

Fizzles out

d)

Reaches its maximum mass

6.

True or False: Supermassive black holes are thought to have formed near the beginning of the universe

a)

True

b)

False

7.

True or False: There are confirmed intermediate-mass black holes

a)

True

b)

False

8.

What type of black hole is at the centre of almost every galaxy?

a)

Stellar-mass

b)

Intermediate-mass

c)

Supermassive

d)

Primordial

9.

What is the most common type of black hole?

a)

Stellar-mass

b)

Intermediate-mass

c)

Supermassive

d)

Primordial

10.

What supermassive black hole is at the centre of the Milky Way?

a)

Aquarius A*

b)

M87*

c)

TON 618

d)

Sagittarius A*

11.

This is an image of what black hole?

a)

Sagittarius A*

b)

TON 618

c)

M87*

d)

BIG 625

12.

Matter orbiting a black hole forms an...

a)

Imaginary disc

b)

Accretion disc

c)

Evaporation disc

d)

Acceleration disc

13.

We can find black holes by observing the effect they have on stars' (a)  

14.

True or False: You can "see" the entire black hole, including the backside, from one point

a)

True

b)

False

15.

When black holes bend the light of other objects it is called...

a)

Light beaming

b)

Optical lensing

c)

Distortion

d)

Gravitational lensing

16.

At the _____ _______ nothing, not even light can escape a black hole

(a)  

17.

Inside the event horizon at the centre of a singularity, it is infinitely (a)  

18.

The largest known black hole is called...

a)

Sagittarius A*

b)

TON 618

c)

M87*

d)

Messier 87

19.

Black holes are invisible because they absorb all (a)  

20.

The smallest known black hole has a mass of...

a)

3.5 Solar masses

b)

1 Solar mass

c)

2.5 Solar masses

d)

4 Solar masses

21.

The term that describes what happens to matter as it gets close to a black hole is...

a)

Pastafication

b)

Stretchifying

c)

Spaghettification

d)

Gravitation