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Black Holes

Total questions: 12

Worksheet time: 9mins

Name
Class
Date
1.

What is the most fascinating and mysterious objects in our universe?

a)

Quasars

b)

Black Holes

c)

Nebulas

d)

Red Giants

2.

What is the fastest known entity in our universe can not escape the gravity force of a black hole?

a)

Protons

b)

electrons

c)

comets

d)

light

3.

The boundary of a black hole is (a)  

4.

A singularity is another name for what

a)

A single point in space

b)

the center of the universe

c)

black hole

d)

the center of a galaxy

5.

The laws of physics apply inside black holes just like anywhere else, true or false?

a)

True

b)

False

6.

An infinitely small and an infinitely dense point is called?

(a)  

7.

What is theorized to exist at the center of every galaxy?

a)

Super massive black holes

b)

a path to a new dimension

c)

dark matter

d)

massive red giant star

8.

When a star dies its core runs out of hydrogen fuel, it will contract under the weight of gravity. And that is what is called a ?

(a)  

9.

An accretion disc is

(a)  

10.

Jets of dust that blast out of super massive black hole is called

(a)  

11.

Who discovered the first black hole?

a)

Astronomers studying the constellation Cygnus in 1971

b)

Karl Schwartzchild

c)

Albert Einstein

d)

Carl Sagan

12.

What is the most amazing thing about black holes?

a)

That they are invisible.

b)

That they are infinitely small and dense.

c)

that they are constantly warping space and time.

d)

That they are so mysterious.