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Final Review

Total questions: 115

Worksheet time: 3hrs 0mins

Name
Class
Date
1.

How many neutrons does Sodium (Na) have?

a)

11

b)

23

c)

12

d)

34

2.

Elements with 5 protons?

a)

Lithium

b)

Boron

c)

Oxygen

d)

Helium

3.

Has an atomic mass of 14

a)

Carbon

b)

Silicon

c)

Nitrogen

d)

Oxygen

4.

Which type of atom has a positive charge?

a)

Anion

b)

Cation

c)

Neutral atom

d)

Isotope

5.

Which type of atom has a negative charge ?

a)

Anion

b)

Cation

c)

Isotope

d)

Neutral

6.

If the number of electrons equals the number of protons the atom is a(n)

a)

Anion

b)

Cation

c)

Neutral atom

d)

Isotope

7.

If you add 3 protons to a helium atom which atom is it?

a)

Boron

b)

Nitrogen

c)

Helium cation

d)

Sodium

8.

What subatomic particles are in the nucleus of the atom?

a)

Protons and electrons

b)

Electrons and neutrons

c)

Protons and Neutrons

d)

Protons, neutrons and electrons

9.

Which subatomic particles contribute to the mass number?

a)

Protons and Neutrons

b)

Protons and electrons

c)

Electrons and Neutrons

d)

All of the above

10.

What is an isotope?

a)

An atom that has the same number of protons but has a different number of neutrons

b)

An atom that has a different number of protons but has the same number of neutrons

c)

An ion

d)

An atom that has the same number of protons but has a different number of electrons

11.

The following is an example of which type of atom?

a)

Anion

b)

Cation

c)

Neutral Atom

d)

None of the above

12.

The following is an example of which type of atom?

a)

Anion

b)

Cation

c)

Neutral Atom

d)

None of the above

13.

Which subatomic particle determines the identity of an atom?

a)

Protons

b)

Neutrons

c)

Electrons

d)

None of the above

14.

Which element has the least amount of protons?

a)

Hydrogen (H)

b)

Helium (He)

c)

Sodium (Na)

d)

Lawrencium (Lr)

15.

Which subatomic particle has a negative charge?

a)

Protons

b)

Neutrons

c)

Electrons

d)

All of the above

16.

Which subatomic particle has a positive charge?

a)

Protons

b)

Neutrons

c)

Electrons

d)

All of the above

17.

What happens to a neutral atom when you add an electron?

a)

It becomes a cation

b)

It becomes an anion

c)

It remains neutral

d)

None of the above

18.

What happens to a neutral atom when it loses electrons?

a)

It becomes a cation

b)

It becomes an anion

c)

It remains neutral

d)

None of the above

19.

What happens to a neutral atom when you add a neutron?

a)

It becomes a cation

b)

It becomes an anion

c)

It remains neutral

d)

None of the above

20.

What is the atomic mass of Carbon?

a)

12

b)

6

c)

3

d)

2

21.

Which subatomic particles are found in the nucleus?

a)

Protons and electrons

b)

Protons and neutrons

c)

Neutrons and electrons

d)

Protons, neutrons and electrons

22.

What is a ?

a)

Electron

b)

Proton

c)

Neutron

d)

Quark

23.

What is b?

a)

Electron

b)

Proton

c)

Neutron

d)

Quark

24.

What is c?

a)

Electron

b)

Proton

c)

Neutron

d)

Quark

25.

If an atom has 3 protons and 3 neutrons what is its charge?

a)

0

b)

+1

c)

-1

d)

+3

26.

What charge would an atom have if it has 6 protons and 5 electrons?

a)

0

b)

+1

c)

-1

d)

+6

27.

How any neutrons does Hydrogen (H) have?

a)

1

b)

2

c)

3

d)

0

28.

The following is an example of a(n)...

a)

Cation

b)

Anion

c)

Neutral atom

d)

Isotope

29.

The following is an example of a(n)...

a)

Cation

b)

Anion

c)

Neutral atom

d)

Isotope

30.

Visible light emitted from a star or galaxy can be separated into a band of colors, called a ________.

a)

Spectrum (or spectral lines)

b)

Microwave

c)

Radiation

31.

As galaxies move away from our galaxy

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

called _____________.

a)

redshift

b)

blueshift

32.

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

a)

Earth

b)

Sun

c)

Universe

d)

Solar System

33.
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
34.

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

35.

How is the "Big Bang" described?

a)

an explosion

b)

an expansion

c)

a contraction

36.

In relation to us, most galaxies are…

a)

Moving toward us

b)

Moving away from us

c)

Not moving

37.
The change in wavelength of light or sound that is due to the relative motion of the source towards or away from an observer.
a)
Radar Effect
b)
Doppler Effect
c)
Light Effect
d)
Reflection
38.

What is true about these stars?

a)

Both of these stars are moving away from us.

b)

Both of these stars are moving towards us.

39.

What happens to the wavelengths of energy if they are moving AWAY from a source?

a)

The waves stretch out and get longer.

b)

The waves compress and get shorter.

40.

According to the Big Bang Theory, what is happening to the size of the universe?

a)

The universe is expanding

b)

The universe is shrinking

c)

The universe is staying the same size

d)

The universe is becoming hotter

41.

As the source moves closer to the observer the wavelength of the light _____________ and will appear as _______ color light to the observer.

a)

decreases, blue

b)

decreases, red

c)

increases, red

d)

increases, blue

42.

An attempt to explain a particular

aspect of the universe based in EVIDENCE

a)

Theory

b)

Light

c)

Doppler effect

d)

Photon

e)

Wavelength

43.

Scientist learn about the universe by observing the light emitted from objects in space.

a)

True

b)

False

44.

The scientist to first observe red shift of galaxies furthest from Earth

a)

Edwin Hubble

b)

Georges Lemaitre

c)

Christian Andreas Doppler

45.

Catholic Priest and scientist that proposed the Big Bang Theory

a)

Edwin Hubble

b)

Georges Lemaitre

c)

Christian Andreas Doppler

46.

First one to describe why waves change in wavelength and frequency when the object transmitting the waves are in motion

a)

Edwin Hubble

b)

Georges Lemaitre

c)

Christian Andreas Doppler

47.

The spectrum of the galaxy on bottom is moving...

a)

Towards us

b)

Away from us

48.

The spectrum of the galaxy on bottom is moving...

a)

Towards us

b)

Away from us

49.

The spectrum from the galaxy on bottom is an example of...

a)

Red shift

b)

Blue shift

50.

The spectrum from the galaxy on bottom is an example of...

a)

Red shift

b)

Blue shift

51.
What property of the wave is represented by the letter "B"?
a)
amplitude
b)
crest
c)
trough
d)
wavelength
52.
The highest point on a wave is:
a)
the crest
b)
the trough
c)
the top
d)
the coast 
53.
The lowest point on a wave is the:
a)
Amplitude
b)
Crest
c)
Trough
d)
Wavelength
54.
Which vocabulary term is used to identify the distance between points C & G?
a)
Amplitude
b)
Crest
c)
Frequency
d)
Wavelength
55.
Which letter(s) represent the trough of the wave?
a)
A
b)
B & D
c)
D
d)
C & G
56.
Which letter(s) represent the crest of the wave?
a)
A
b)
B & D
c)
B & F
d)
F
57.
Which EM wave has the longest wavelength?
a)
light
b)
radio
c)
ultraviolet
d)
red
58.

Which EM wave has the shortest wavelength?

a)

radio

b)

gamma

c)

x-ray

d)

violet

59.

Cosmic Microwave Background Radiation is a form of _________.

a)

Matter

b)

Energy

c)

Visible Light

d)

Water

60.

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

61.
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
62.

The "afterglow" of the energy from the origin of the universe that we see today.

a)

Cosmic microwave radiation

b)

sunlight

c)

Doppler effect

d)

Cosmic explosions

63.
The three pieces of evidence for our current theory of the universe are:
a)
blueshift, CMB, moon landing.
b)
redshift, IBM, Andromeda galaxy.
c)
redshift, CMB, distribution of elements.
d)
doppler effect, light spectra, fusion.
64.
The CMB is:
a)
the remaining energy from the big bang.
b)
incredibly hot.
c)
visible to the human eye.
d)
only located in certain places in the universe.
65.
The only elements in the universe were hydrogen and helium until:
a)
the big bang.
b)
humans came along.
c)
stars began doing fusion.
d)
the redshift was discovered.
66.

The temperature of the universe:

a)

is constant.

b)

varies between 20 to 6,000 degrees Fahrenheit.

c)

has increased to about 10,000 degrees Celsius.

d)

has cooled to about 2.7 Kelvin.

67.
The universe is ____________ years old.
a)
8.13 billion
b)
13.8 billion
c)
1.83 billion
d)
381 million
68.
The most abundant element in the universe today is:
a)
water
b)
hydrogen
c)
oxygen
d)
carbon
69.
This is a picture of:
a)
The CMB.
b)
The Milky Way.
c)
The universe in the future.
d)
A redshifted star.
70.
Without stars, we wouldn't have:
a)
Hydrogen
b)
Quarks
c)
Gold
d)
Protons
71.
Which waves on the Electromagnetic Spectrum have the shortest wavelength and highest energy?
a)
Radio
b)
X-Rays
c)
Gamma
d)
Ultraviolet
72.
Scientists theorized that the Big Bang would have produced energy that would still be detectable as what?
a)
Gamma Rays
b)
X-Rays
c)
Microwaves
d)
Infrared waves
73.

An instrument that separates light into colors and makes an image of the resulting spectrum.

a)

luminosity

b)

frequency

c)

spectroscope

d)

electromagnetic spectrum

74.

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

75.

Which side of the HR Diagram are the hottest stars?

a)

left

b)

right

c)

top

d)

bottom

76.

What side of the HR Diagram has the coldest stars?

a)

left

b)

right

c)

top

d)

bottom

77.

Which side has the brightest stars?

a)

left

b)

bottom

c)

top

d)

right

78.

Which side has the dimmest stars?

a)

top

b)

left

c)

bottom

d)

right

79.

What is temperature related to?

a)

color

b)

size

c)

fusion

80.

What is brightness related to?

a)

color

b)

size

c)

fusion

81.

What is the relationship between temperature and luminosity?

a)

as temperature increases, luminosity increases

b)

as temperature increases, luminosity decreases

c)

as temperature decreases, luminosity increases

82.
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
83.

What was the original element in our universe and makes up 75% of the universe.

a)

Carbon

b)

Neon

c)

Helium

d)

Hydrogen

84.
In red shift, the wavelengths of light become
a)
Bluer
b)
shorter
c)
longer
85.

What percentage of elements larger than Hydrogen are found in the universe?

a)

25%

b)

74%

c)

1%

d)

90%

86.

What is the second and most critical piece of evidence that supports the Big Bang Theory?

a)

Expanding universe

b)

CMB

c)

Red shift

d)

Composition of the universe

87.

When the source moves closer to the observe what happens to the frequency of the wave?

a)

Increases

b)

Decreases

c)

Remains the same

88.

Which color has the longest wavelength?

a)

Red

b)

Orange

c)

Yellow

d)

Blue

e)

Violet

89.

Which best describes the big bang theory?

a)

It is a theory that states that the universe has an origin "starting point" this point was small, hot, dense and was full of energy. Then the universe began to expand from this primordial atom or point of singularity and it continuing to expand.

b)

It is a theory that states that the universe always existed and will explode in the future.

c)

It is a theory that states that the universe has an origin "starting point" this point was small, hot, dense and was full of energy. Then the universe exploded from this point of singularity.

d)

It states that the universe is shrinking and end as a primordial atom.

90.

The distance from crest to crest

a)

Theory

b)

Light

c)

Doppler effect

d)

Photon

e)

Wavelength

91.

Particles that make up light and carry the energy

a)

Theory

b)

Light

c)

Doppler effect

d)

Photon

e)

Wavelength

92.

Energy in the form of waves

a)

Theory

b)

Light

c)

Doppler effect

d)

Photon

e)

Wavelength

93.

Which galaxy is moving at the fastest speed and is probably the furthest from Earth?

a)

A

b)

B

c)

C

94.

What is a nebula?

a)

A cloud of water

b)

A cloud of hydrogen gas and dust

c)

A star

d)

A disk of gas formed by gravity

95.

What force forms a protostar?

a)

Nuclear Force

b)

Gravitational Force

c)

Electromagnetic Force

d)

All of the above

96.

Stars are mainly made of large amounts of ...

a)

Dust

b)

Hydrogen gas

c)

Nebula

d)

Radiation

97.

True or false, there must be extreme amounts of temperature and pressure for nuclear fusion to take place.

a)

True

b)

False

98.

What is made from two hydrogen isotopes in a nuclear fusion reaction?

a)

They separate to form energy

b)

They combine and form helium

c)

They remain the same

d)

They combine and form hydrogen

99.

What is the fuel source of the sun?

a)

Hydrogen

b)

Oxygen

c)

Water

d)

Helium

100.

What are the reactants of the nuclear fusion reaction?

a)

Helium

b)

Energy

c)

Hydrogen Isotopes

d)

Mass

101.

What are the products of the nuclear fusion reaction?

a)

Helium, energy, and a neutron

b)

Protons

c)

Hydrogen Isotopes

d)

Mass

102.

In what layer of the Sun does nuclear fusion take place?

a)

Radiative

b)

Core

c)

Crust

d)

None of the above

103.

True or False, when the two Hydrogen atoms combine they will have less mass than when they are apart?

a)

True

b)

False

104.

The mass that is lost when the hydrogen nuclei combine is converted into energy?

a)

True

b)

False

105.

Stellar Equilibrium means...

a)

The inward pressure of gravity and outward pressure of fusion are in balance (same).

b)

The nucleus of two hydrogen nuclei are fusing

c)

The inward pressure of gravity is stronger than the outward pressure of fusion

d)

Gravity forms the star

106.

A star remains in main sequence as long as the force of fusion and force of gravity are balanced.

a)

True

b)

False

107.

When the fusion reaction becomes too weak the star collapses.

a)

True

b)

False

108.

The Sun will remain in main sequence for another 2 billion years.

a)

True

b)

False

109.

The energy made in nuclear fusion reaches the Earth as...

a)

Visible light

b)

Infrared light (heat)

c)

Ultraviolet radiation

d)

Gamma rays

e)

All of the above

110.

True or false, the sun will become a red giant after it leaves the main sequence stage of its life.

a)

True

b)

False

111.

The graph that compares surface temperature and luminosity of stars is called the...

a)

Herstung Rachel Diagram

b)

Hertzsprung Rascal Diagram

c)

Herschel Russell Diagram

d)

Hertzsprung Russell Diagram

112.

What color stars are the hottest?

a)

Red

b)

Orange

c)

Yellow

d)

Blue

113.

What color stars are the coolest?

a)

Red

b)

Orange

c)

Yellow

d)

Blue

114.

Which stars live the longest life?

a)

High mass

b)

Low mass

115.

What is the last stage that high and low mass stars both go through?

a)

Nebula

b)

Main Sequence

c)

Protostar

d)

Red Giant

e)

Red Super Giant

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