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Astronomy Spectral Analysis Unit Quizziz

Total questions: 100

Worksheet time: 2hrs 14mins

Name
Class
Date
1.

Each element produces its own pattern of emission spectra lines because each element has its own distinct

a)

Speed of light

b)

Electron configuration

c)

Number of neutrons

d)

None of these

2.

The color of emitted light with the LONGEST wavelength is

a)

violet

b)

green

c)

red

d)

indigo

3.

The color of emitted light with the SHORTEST wavelength is

a)

violet

b)

green

c)

red

d)

indigo

4.

This device is a

a)

telescope

b)

spectrascope

c)

microscope

d)

prism

5.

The color of emitted light with the HIGHEST frequency is

a)

violet

b)

green

c)

red

d)

indigo

6.

The color of emitted light with the LOWEST frequency is

a)

violet

b)

green

c)

red

d)

indigo

7.

The unknown emissions spectra belongs to the element

a)

Hydrogen

b)

Mercury

c)

Neon

d)

Sodium

8.

The unknown emissions spectra belongs to the element

a)

Hydrogen

b)

Mercury

c)

Neon

d)

Sodium

9.

The unknown emissions spectra belongs to the element

a)

Hydrogen

b)

Mercury

c)

Neon

d)

Helium

10.

A wave with a long wavelength will have a ______ frequency and _____ energy

a)

high, low

b)

high, high

c)

low, high

d)

low, low

11.

What is the reaction involved if the electron moves from position 1 to 2?

a)

Light will be emitted

b)

Light will be absorbed

c)

The electron will become less excited

d)

The electron will decrease a quantum

12.

The electron moves from position 1 to 2. How does the state of the electron shift during this reaction?

a)

The electron becomes less excited.

b)

The electron returns to the ground state.

c)

The electron becomes more excited.

d)

Light is emitted

13.

A particle of visible light or other electromagnetic radiation is called a....

a)

Packet

b)

Photon

c)

Hubble Unit

d)

AU

14.

A wave consisting of alternating electric and magnetic energy is called...

a)

Gravitational Wave

b)

Tidal Wave

c)

Insular Wave

d)

Electromagnetic Wave

15.

What is the distance from crest to crest or trough to trough of any given wave?

a)

Wavelength

b)

Crest Length

c)

Photon

d)

Trough Length

16.

When the light source and the observer move away from each other, which color shift occurs?

a)

Blueshift

b)

Redshift

17.

Light is considered a...

a)

particle

b)

electron

c)

wave

d)

Both wave and particle

18.

When the light source and observer are moving closer together, which color shift occurs?

a)

Blueshift

b)

Redshift

19.

Spectra of light with black lines

a)

Absorbance Spectra

b)

Emission Spectra

c)

Continuous Spectra

20.

The hotter an object is, the brighter it is.

a)

Newton's Law

b)

Wein's Law

c)

Kirchhoff's Law

d)

Stefan's Law

21.

As an object increases in temperature, the average wavelength of the light it emits gets shorter.

a)

Newton's Law

b)

Wein's Law

c)

Kirchhoff's Law

d)

Stefan's Law

22.

Cold gases absorb specific wavelengths of light. When they are hot enough to emit light, they emit the wavelengths they absorbed when cold.

a)

Newton's Law

b)

Wein's Law

c)

Kirchhoff's Law

d)

Stefan's Law

23.

What is the correct order of the visible light spectrum starting with the longer wavelength?

a)

Red, yellow, orange, blue, violet, indigo

b)

Violet, indigo, blue, green, yellow, orange, red

c)

Green, yellow, blue, indigo, red, orange

d)

Red, orange, yellow, green, blue, indigo, violet

24.
What gases are in the unknown mixture?
a)
Gas B & Gas D
b)
Gas C & Gas B
c)
Gas A & Gas D
d)
Gas D & Gas C
25.
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.
26.
If a star is being observed from Earth and it's light has shifted towards the blue side of the electromagnetic spectrum it would be...
a)
Moving towards the Earth
b)
Moving away from the Earth
c)
This is a trick question that cannot be answered
d)
It isn't a star, it is a very large blueberry.
27.
If a star is being observed from Earth and it's light has shifted towards the red side of the electromagnetic spectrum it would be...
a)
Moving towards the Earth
b)
Moving away from the Earth
c)
This is a trick question that cannot be answered
d)
It isn't a star, it is a very large blueberry.
28.
The vast majority of galaxies in our universe are moving away from us.  We know this because we observe __________ in the galaxies absorption spectra.
a)
Redshift
b)
Blueshift
c)
Turbulance
d)
Superposition
29.
Use the image to identify the motion of the object relative to Earth.  Compare the absorption spectra of the star to what the star would look like if it were not moving at all relative to Earth.
a)
It is not moving
b)
It is moving away from Earth (Redshift)
c)
It is moving towards Earth (Blueshift)
d)
It is moving towards Earth (Redshift)
30.
Use the image to identify the motion of the object relative to Earth.  Compare the absorption spectra of the star to what the star would look like if it were not moving at all relative to Earth.
a)
It is not moving relative to Earth
b)
It is moving away from Earth (Redshift)
c)
It is moving towards Earth (Blueshift)
d)
It is moving towards Earth (Redshift)
31.
What happens when the electrons fall back to lower energy levels?
a)
They release protons and neutrons
b)
They lose energy in the form of light
c)
They gain energy bounce back
d)
They lose energy and go completely dark
32.

How do scientists know that stars are moving?

a)

The Doppler Effect

b)

Emission Lines

c)

Radio Waves

d)

The Electromagnetic Spectrum

33.

How do scientists know what stars are made of?

a)

The Doppler Effect

b)

Emission Lines

c)

Radio Waves

d)

The Electromagnetic Spectrum

34.
All electromagnetic waves have the same...
a)
frequency
b)
speed
c)
wavelength
d)
energy
35.

Emission spectra result from ________________ gas.

a)

hot, low-density

b)

hot, high-density

c)

cool, low-density

d)

cool, high-density

36.

Absorption spectra result from ________________ gas.

a)

hot, high-density

b)

hot, low-density

c)

cool, high-density

d)

cool, low-density

37.
This picture is an example of a(n)...
a)
absorption spectrum
b)
emission spectrum
c)
continuous spectrum
d)
black body spectrum
38.
This is the _____ for helium.
a)
emission spectrum
b)
absorption spectrum
c)
continuous spectrum
d)
black body spectrum
39.

What evidence did you observe that proves that elements give off their own unique color spectrum?

a)

All of the gas tubes produced a full spectrum. (A rainbow.)

b)

When we looked at white light through a prism, we saw the rainbow.

c)

Each gas tube gave off its own unique color and color spectrum when we looked at the light through the spectroscope. None of them were the exact same.

d)

Each gas tube gave off the same color and color spectrum when we looked at the light through a spectroscope.

40.
An object that is moving VERY fast away from Earth would have ________ than an object that is moving very slow away from Earth.
a)
More Redshift
b)
More Blueshift
c)
Less Redshift
d)
Less Blueshift
41.
Use the image to identify the motion of the object relative to Earth.  Compare the absorption spectra of the star to what the star would look like if it were not moving at all relative to Earth.
a)
It is not moving relative to Earth
b)
It is moving away from Earth (Redshift)
c)
It is moving towards Earth (Blueshift)
d)
It is moving towards Earth (Redshift)
42.
An object that is moving VERY fast towards the Earth would have ________ than an object that is moving very slow towards the Earth.
a)
More Redshift
b)
More Blueshift
c)
Less Redshift
d)
Less Blueshift
43.
The number of wavelengths that pass a point each second is:
a)
frequency
b)
period
c)
longitudinal 
d)
transverse wave 
44.

Which section of the electromagnetic spectrum is the ONLY one we can see?

a)

X-rays

b)

Visible Light

c)

Gamma Rays

d)

Ultraviolet Rays

45.
What kind of waves do stars emit?
a)
x-ray and ultraviolet
b)
visibile
c)
radio and infrared
d)
all of the above
46.

We primarily use __________ to find information about the temperature of high-density material.

a)

absorption spectra

b)

blackbody curves

c)

emission spectra

d)

laser oscillators

47.

We primarily use emission/absorption spectra to identify ____________ of stars.

a)

composition

b)

temperature

c)

luminosity

d)

frankfurter

48.
Why are line emission spectra of elements called "atomic fingerprints"?
a)
They are all the same
b)
They are all unique
c)
They are all similar
d)
They all contain colored light
49.
Which electromagnetic waves have the highest frequencies and the shortest wavelengths?
a)
microwaves
b)
visible light
c)
gamma rays
50.
Which electromagnetic waves are used in ovens and cell phone communications?
a)
Infrared rays
b)
ultraviolet rays
c)
microwaves
51.
Which type of waves are used in broadcasting?
a)
radio waves
b)
infrared rays
c)
x-rays
52.
How much of the electromagnetic spectrum is made up of visible light?
a)
only a small portion
b)
a very l;arge portion
c)
about half
53.
Which electromagnetic waves help doctors detect broken bones inside your body?
a)
gamma rays
b)
x-rays
c)
ultraviolet rays
54.
Which of the following lists the electromagnetic waves in order of increasing wavelength?
a)
X-rays, visible light, radio waves
b)
gamma rays, microwaves, UV rays
c)
infrared rays, radio waves, x-rays
55.
Which electromagnetic waves are used in devices such as heat lamps & TV remote controls?
a)
ultraviolet rays
b)
microwaves
c)
infrared rays
56.

The peak wavelength on a wavelength vs intensity graph corresponds to?

a)

The photon of light with the longest emission emitted

b)

The wave of light with the highest energy that any star can emit

c)

The color/wavelength of light that is emitted the most by a star

d)

The highest wavelength/color of light a star emits

57.

Black bodies emitters are objects whose color is only dependent on the _____________ of the object.

a)

size

b)

temperature

c)

distance

d)

composition

58.

Which of the statements below is true for the emission spectra

a)

The emission is only in the visible region

b)

The peak intensity increases with temperature

c)

The peak intensity decreases with temperature

d)

The peak frequency decreases with temperature

e)

The peak wavelength increases with temperature

59.

Five emission spectra for five identical objects are shown in the figure below. the higest temp is for graph________________ and the object that has peak at lowest energy is _________

a)

A and B

b)

A and F

c)

B and F

d)

C and B

60.

which type of EMR is between infrared and ultraviolet on the spectrum?

a)

visible

b)

microwaves

c)

gamma rays

d)

radio waves

61.

which of these types of EMR has the highest energy?

a)

microwaves

b)

radio waves

c)

infrared

d)

ultraviolet

62.

which of these blackbody radiation curves is peaking in the visible part of the spectrum?

a)

a

b)

b

c)

c

63.

which of these is a continuous spectra?

a)

a

b)

b

c)

c

64.

which of these types of EMR has the longest wavelength?

a)

x-ray

b)

radio waves

c)

infrared

d)

ultraviolet

65.

which of these spectra is created by the emission of light?

a)

a

b)

b

c)

c

66.

which of these blackbody radiation curves is created by the object with the highest energy?

a)

a

b)

b

c)

c

67.

which of these blackbody radiation curves is created by the object with the longest wavelength light?

a)

a

b)

b

c)

c

68.

which of these is an absorption spectra?

a)

a

b)

b

c)

c

69.

Because of limited human senses, which type(s) of radiation are we most well equipped to observe?

a)

visible

b)

visible, x-ray and ultraviolet

c)

visible, infrared and gamma

d)

visible, microwaves and infrared

70.

which elements are present in this star?

a)

magnesium and calcium

b)

magnesium and hydrogen

c)

iron and magnesium

d)

iron and hydrogen

71.
The wavelength of light is related to which of the following properties?
a)
Color
b)
Frequency
c)
Color AND frequency
d)
Neither color NOR frequency
72.
Absorption lines create _____ spectral lines on a visible light spectra due to the electrons moving into their _____ state.
a)
dark; excited
b)
dark; ground
c)
bright; excited
d)
bright; ground
73.
Emission lines create _____ spectral lines on a visible light spectra due to the electrons moving into their _____ state.
a)
dark; excited
b)
dark; ground
c)
bright; excited
d)
bright; ground
74.
Which drawing represents the process by which an emission line is formed?
a)
A
b)
B
c)
C
d)
D
75.
Which drawing represents the process by which an absorption line is formed?
a)
A
b)
B
c)
C
d)
D
76.
Which is the correct order of EM radiation, from highest to lowest frequency?
a)
radio, microwave, visible, X-ray, gamma
b)
gamma, ultraviolet, visible, infrared, radio
c)
gamma, microwave, X-ray, visible, ultraviolet
d)
microwave, visible, gamma, radio, infrared
77.

If astronomers examine the spectral lines of a distant galaxy and saw that they displayed a blue shift, what would this mean about the motion of the galaxy?

a)

The galaxy is not moving.

b)

The galaxy is moving toward Earth.

c)

The galaxy is moving away from Earth.

d)

The galaxy is shifting back and forth at 650 Thz, the frequency of blue light.

78.

Astronomers examine the spectra from a distant galaxy and find that the spectra exhibit a red Doppler shift. What does this mean about the galaxy?

a)

The galaxy is not moving.

b)

The galaxy is moving away from Earth.

c)

The galaxy contains mostly red giant stars.

d)

The galaxy is a spiral galaxy.

79.

(Q4) If you pointed an infrared sensor at the sun, would you be able to detect it? (Does the sun produces infrared energy?)

a)

Yes, we also feel the infrared energy as warmth on our skin.

b)

No.

80.

(Q5) If you pointed an ULTRAVIOLET sensor at the sun, would you be able to detect it? (Does the sun produces UVenergy?)

a)

Yes, that is why we get sunburns.

b)

No.

81.

In the simulation, as you go from low temperature objects (like the Earth) to high temperature objects (like the star Sirius A), what happens to the color produced?

a)

It transitions from not emitting light, to emitting red light, then yellow, green, and lastly violet / blue.

b)

It transitions from emitting blue light (the Earth), to emitting red light, then yellow, and lastly violet / blue.

c)

Objects go from being blue to green to red as they heat up.

82.

How can light (radiation) best be described?

a)

by using wavelengths only

b)

as having different frequencies

c)

something that can be measured

d)

energy that travels through space

83.

What color would this object glow if it were heated to 5,000 K?

a)

Green

b)

Yellow

c)

Red

d)

Infrared

84.

What happens to the color this object is glowing with as it cools down from 5,000 K?

a)

It goes from yellow to white to blue.

b)

It goes from yellow to orange to red.

c)

It goes from infrared to white to blue.

d)

It goes from ultraviolet to infrared to red.

85.

An ambulance is driving towards you as you stand on the sidewalk. What happens to the pitch of the siren as it comes towards you?

a)

It increases

b)

It decreases

86.

You are standing on the side of the road when a police car races past you with its siren on. After the police car passes you, what happens to the pitch of the siren?

a)

It increases

b)

It decreases

c)

It turns red

87.

An astronomer looks at a star in the night sky. Based on his calculations the star's light is shifting towards the color blue. What does this mean about the star?

a)

It's moving towards the astronomer

b)

It's moving away from the astronomer

c)

It's not moving at all

88.

Look at the picture. Who is experiencing a higher pitched sound?

a)

Observer A

b)

Observer B

c)

There's no difference

89.

Look at the picture. Who is experiencing a lower pitched sound?

a)

Observer A

b)

Observer B

c)

There is no difference

90.

the doppler effect causes a shift in...

a)

pitch

b)

wavelength

c)

frequency

d)

All of the above

91.
If the object is moving away its light is shifted and is called ______________.
a)
Your mom
b)
No shift
c)
Blue shift
d)
Red shift
92.
What conclusion can be made by comparing the two spectrums in the image?
a)
Galaxy is blueshifted; star is moving towards Earth.
b)
Galaxy is blueshifted; star is moving away from Earth.
c)
Galaxy is redshifted: star is moving away from Earth.
d)
Galaxy is redshifted; star is moving towards Earth.
93.
Evidence that the universe is expanding is best provided by the ________.
a)
spiral shape of the Milky Way galaxy
b)
red shift in the light from distant galaxies
c)
change in the swing direction of a Foucault pendulum
d)
parallelism of Earth’s axis in orbit
94.
Which galaxy is moving faster?
a)
Galaxy B is moving faster because it had a bigger shift
b)
Galaxy B is moving slower because it had a bigger shift
c)
Galaxy A is moving faster because it had a smaller shift.
d)
Bunnies are scary
95.
Use the image to identify the motion of the object relative to Earth.  Compare the absorption spectra of the star to what the star would look like if it were not moving at all relative to Earth.
a)
It is not moving relative to Earth
b)
It is moving away from Earth (Redshift)
c)
It is moving towards Earth (Blueshift)
d)
It is moving towards Earth (Redshift)
96.
Use the image to identify the motion of the object relative to Earth.  Compare the absorption spectra of the star to what the star would look like if it were not moving at all relative to Earth.
a)
It is not moving
b)
It is moving away from Earth (Redshift)
c)
It is moving towards Earth (Blueshift)
d)
It is moving towards Earth (Redshift)
97.
An object that is moving VERY fast away from Earth would have ________ than an object that is moving very slow away from Earth.
a)
More Redshift
b)
More Blueshift
c)
Less Redshift
d)
Less Blueshift
98.
What does the Red-shift tell us about the universe
a)
the universe is expanding
b)
the universe is contracting
c)
the big bang is false
d)
nothing
99.

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.

100.

What is the doppler effect?

a)

a change in the frequency of sound, light or other waves to cause a change in pitch

b)

A change in pitch that causes frequency, sound, light and other waves to disappear

c)

I have no idea

d)

A change in sound that alters frequency

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