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Big Bang Theory

Total questions: 20

Worksheet time: 43mins

Name
Class
Date
1.

Cosmic Microwave Background Radiation is a form of _________.

a)

Matter

b)

Energy

c)

Visible Light

d)

Water

2.

As galaxies move away from our galaxy

a shift on the electromagnetic spectrum is noticed. This phenomena is

called _____________.

a)

redshift

b)

blueshift

3.

How does Cosmic Microwave Background Radiation support the Big Bang Theory?

a)

Microwaves are found everywhere in the universe.

b)

Microwaves occurred at the time of the Big Bang

c)

Microwaves are useful in our everyday lives

4.

The Big Bang Theory explains the formation of the...

a)

Earth

b)

Sun

c)

Universe

d)

Solar System

5.
What does the Big Bang theory suggest?
a)
The universe was just there
b)
The Milky Way is the only solar system
c)
The universe is continually expanding
d)
The universe is collapsing in toward a single point
6.

Why is the light from distant galaxies red-shifted?

a)

They produce more red light than nearby galaxies

b)

They are moving away from us

c)

The longer wavelengths are filtered out more by dust

d)

They are moving toward us

7.
What were the original two elements in our universe?
a)
Lithium and Carbon
b)
Hydrogen and Neon
c)
Helium and Chlorine
d)
Hydrogen and Helium
8.

How is the "Big Bang" described?

a)

an explosion

b)

an expansion

c)

a contraction

9.

Most scientists believe the Big Bang Theory explains which of the following questions?

a)

How our planets and moons formed

b)

How our universe began

c)

How the sun turns hydrogen into helium

d)

How fast light travels through space

10.

How does the abundance of hydrogen and helium support the Big Bang Theory.

a)

Hydrogen and helium are elements on the Periodic Table

b)

Hydrogen and helium are in the same ratio throughout the universe.

c)

Hydrogen and helium have many current uses today

11.
The universe is expanding!  This means that:
a)
all of the galaxies are spreading out.
b)
the universe must have started from a single point.
c)
the universe is cooling down.
d)
all of the above.
12.

Who observed that most galaxies are moving away from us?

a)

Edwin Hubble

b)

Arno Penziaas

c)

Robert Wilson

d)

Albert Einstein

13.

Which of the following is NOT evidence of the Big Bang Theory?

a)

most galaxies are red-shifted

b)

Comic Microwave Background radiation is everywhere

c)

the universe is gaining matter

d)

the elemental composition of the universe is uniform

14.

Who discovered Cosmic Microwave Background radiation?

a)

Edwin Hubble

b)

Arno Penzias

c)

Robert Wilson

d)

Albert Einstein

15.

What percentage of the mass in the Universe is Hydrogen ?

a)

74%

b)

24%

c)

1%

d)

100%

16.

What percentage of the mass in the Universe is Helium ?

a)

74%

b)

24%

c)

1%

d)

100%

17.

How long did it take from the onset of the Big Bang to the formation of an atom (Hydrogen) ?

a)

Less than 1 second

b)

10 seconds

c)

3 minutes

d)

500 million years

18.

How old is the Universe ?

a)

2,000 years old

b)

13.8 billion years old

c)

14.2 million years old

d)

30.3 billion years old

19.

What is FALSE about the Big Bang origin story?

a)

Scientists can explain the large amount of radiation emitted from the Big Bang

b)

Scientists can explain how a single point contained all the energy and matter of the Universe

c)

Scientists can explain the elemental composition of the Universe

d)

Scientists can explain the expansion of the Universe

20.

What best describes the doppler effect?

a)

An apparent change in frequency of a wave due to the relative motion between a wave source and an observer

b)

When sound changes pitch

c)

When light changes color

d)

An apparent change in the amplitude of a wave due to the relative motion between a wave source and an observer.