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Star Test Practice

Total questions: 86

Worksheet time: 1hrs 28mins

Name
Class
Date
1.
In the diagram given, what happens as we move to the left?
a)
Stars Get Larger
b)
Stars get Colder
c)
Stars get hotter
2.
Which of these stars is hottest?
a)
Red Star
b)
Yellow Star
c)
Orange Star
d)
Blue Star
3.
Which star is the coldest?
a)
Yellow Star
b)
Red Star
c)
Orange Star
d)
Blue Star
4.
Compared to the rest of the stars, our sun is considered...
a)
Extremely Large and Cold
b)
Small with a medium temperature
c)
Medium size with medium temperature
5.
Which category is our Sun located in?
a)
White Dwarfs
b)
Supergiants
c)
Main Sequence
d)
Giants
6.
The category that contains the most stars is...
a)
Main Sequence
b)
Supergiants
c)
Giants
7.
As a whole, Giants are considered hotter than White Dwarfs.
a)
True
b)
False
8.
Red stars are the _____________.
a)
hottest
b)
coolest
c)
biggest
d)
brightest
9.
Blue stars are the _____________.
a)
hottest
b)
coolest
c)
smallest
10.
Look at the H-R diagram. Which star is
sort of cool, dim (not too much light), and red?
a)
Betelguse
b)
Sirius B
c)
Procyon B
d)
Barnard's star
11.
Which star has the lowest temperature?
a)
A
b)
B
c)
C
d)
D
12.
Which spectral class does our star, the sun, belong to?
a)
M
b)
K
c)
G
d)
F
13.

Using the HR diagram, choose the color of Zeta Eridani

a)

blue

b)

white

c)

yellow

d)

red

14.

Which star is hotter than Deneb

a)

Procyon

b)

Sun

c)

Regel

d)

Banard's Star

15.

Which star is brighter than the sun?

a)

Sirius B

b)

Procyon B

c)

Van Maanan's Star

d)

Aldebaran

16.

Which star is brighter than Alpha Centauri B, but dimmer than the sun?

a)

Pollux

b)

Spica

c)

Tau Ceti

d)

Mira

17.

Which star is considered a main sequence star?

a)

Vega

b)

Betelgeuse

c)

Pollux

d)

Van Maanan's Star

18.

Which star is considered a giant star?

a)

Mira

b)

Zeta Arindani

c)

Barnard's Star

d)

Betelgeuse

19.

Which star is considered a supergiant?

a)

Sirius B

b)

Sun

c)

Betelgeuse

d)

Van Maanan's Star

20.

Which star is considered a dwarf star?

a)

Altair

b)

Procyon B

c)

Deneb

d)

Sirius

21.

Which of the following lists the lifecycle of a star correctly?

a)

Supergiant, Giant, Dwarf, Nebula

b)

Supernova, Supergiant, Giant, Dwarf

c)

Dwarf, Main Sequence, Supergiant, Giant

d)

Main Sequence, Giant, Supergiant, Dwarf

22.

True or False: White dwarfs are warmer and dimmer than giants.

a)

True

b)

False

23.
Look at the H-R diagram. Which star is
sort of cool, dim (not too much light), and red?
a)
Betelguse
b)
Sirius B
c)
Procyon B
d)
Barnard's star
24.

The best description of a super giant star would be -

a)

hot and bright

b)

hot and dim

c)

average brightness and temp

d)

cool and bright

25.

Which star is brighter than the sun?

a)

Sirius B

b)

Procyon B

c)

Van Maanan's Star

d)

Aldebaran

26.

Which star is brighter than Alpha Centauri B, but dimmer than the sun?

a)

Pollux

b)

Spica

c)

Tau Ceti

d)

Mira

27.

Which star is considered a giant star?

a)

Mira

b)

Zeta Arindani

c)

Barnard's Star

d)

Betelgeuse

28.

Stars are formed from big clouds of gas and dust is known as:

a)

dust cloud

b)

space fog

c)

neutron clouds

d)

nebulae

29.

The main force acting on a nebula is:

a)

thermal expansion

b)

singularities

c)

gravity

d)

microscopic adhesion

30.

A star is born when:

a)

nuclear fusion starts

b)

a nebula becomes a protostar

c)

gases in a nebula condense

d)

hydrogen is used up in fusion processes

31.

The two forces battling it out for the stability of a star are gravitational forces and:

a)

singularity expansion

b)

chemical bonding forces

c)

tidal currents

d)

thermal forces (heat) through convection

32.

A star that has ignited and has used up all of the hydrogen is called:

a)

Neutron Star

b)

White Dwarfs

c)

Red Giants

d)

Black Holes

33.

When the core of a Red Giant collapses it becomes a:

a)

White Dwarf

b)

Supernova

c)

Red Supergiant

d)

Black Hole

34.

When a massive star begins to cool and expand it is known as a:

a)

Black Dwarf

b)

Red Giant

c)

Red Supergiant

d)

White Dwarf

35.

When the core of a Red Supergiant collapses, a bright event occurs, known as:

a)

white dwarf

b)

supernova

c)

big bang

d)

black hole

36.

After a supernova, the core can collapse into a neutron star, or if massive enough it can become a:

a)

Black Hole

b)

White Dwarf

c)

Red Supergiant

d)

Black Dwarf

37.

When a Red Giant's outer atmosphere drifts away it is now known as:

a)

planetary cloud

b)

White dwarf cloud

c)

planetary nebula

d)

expanding nebula

38.

One possible outcome that is left after a supernova is a super dense core called a:

a)

Neutron Star

b)

White Dwarf

c)

Red Giant

d)

Black Dwarf

39.

A black hole is black because:

a)

there is nothing in it

b)

it is too small to see

c)

it is inherently evil

d)

even light cannot escape its gravity

40.

Our sun is currently in what star stage?

a)

Protostar

b)

Nebula

c)

Main Sequence

d)

Red Giant

41.

Main sequence stars are made primarily of which elements?

a)

Hydrogen only

b)

Helium and Carbon

c)

Carbon and Iron

d)

Hydrogen and Helium

42.

When a nebula condenses and takes on a shape it is called:

a)

a red supergiant

b)

a black hole

c)

a white dwarf

d)

a protostar

43.
Why won't our sun ever become a black hole?
a)
It is too massive
b)
It is too old
c)
It is too young
d)
It is too small
44.

The stable and longest lasting period of a star’s life cycle is called:

a)

The birth of a star

b)

Nebula

c)

Neutron star

d)

Main Sequence

45.

What fuel do main sequence stars use?

a)

Oxygen

b)

Hydrogen

c)

Carbon

d)

Iron

46.

Neutron stars that emit radiowaves are called:

a)

Nebula

b)

Pulsars

c)

Galaxys

d)

Planets

47.

What type of stars are the hottest?

a)

yellow

b)

white

c)

red

d)

blue

48.

What is the main factor that determines what a star will become?

a)

mass

b)

brightness

c)

temperature

d)

color

49.

Where are stars "born"?

a)

from the sun

b)

in a nebula

c)

in a supernova

d)

in a white dwarf

50.

The brightness of a star depends on?

a)

its size

b)

its temperature

c)

its distance from earth

d)

All of the options

51.

All stars____?

a)

Reflect light from the Sun

b)

Produce their own light

c)

wander off their star path

d)

are cold

52.

What type of star is our Sun?

a)

A very hot star

b)

an average star

c)

a cool star

d)

It's not a star.

53.
The combining of two or more atoms in a stars core into a new heavier atom.
a)
Fission
b)
Fusion
c)
Nuclear Reactions
d)
Nucleosynthesis
54.
measures how bright a star would be in relation to the sun if all stars were the same distance from the observer
a)
Brightness
b)
Luminosity
c)
Apparent Magnitude
d)
Photic Strength
55.
An exploding massive star. These explosions are responsible for forming all atoms heavier than iron.
a)
Novas
b)
Big bangs
c)
Supernova
d)
Thermonuclear detonation
56.

a celestial object of very small radius and very high density, composed predominantly of closely packed neutrons, thought to form by the gravitational collapse of the remnant of a massive star after a supernova explosion

a)

neutron star

b)

black hole

c)

gravity

d)

nuclear fusion

57.

A star is born when:

a)

nuclear fusion starts

b)

a nebula becomes a protostar

c)

gases in a nebula condense

d)

hydrogen is used up in fusion processes

58.

Once star has ignited and has used up all of the hydrogen are called:

a)

Neutron Star

b)

White Dwarfs

c)

Red Giants

d)

Black Holes

59.
What are the final two stages of a medium mass star?
a)
white dwarf - black dwarf
b)
neutron star - black hole
c)
supernova - neutron star
d)
pulsar - neutron star
60.
______ is a force that causes dust particles to stick together in a nebula.
a)
nuclear fusion
b)
gravity
c)
hydrogen
d)
friction
61.
Which of the following list the correct order of the life cycle of massive stars?
a)
Nebula --> protostar --> main sequence --> red supergiant --> supernova --> blackhole
b)
Nebula --> protostar --> main sequence --> red giant --> planetary nebula --> white dwarf --> black dwarf
c)
Nebula --> protostar --> main sequence --> supernova --> red giant --> blackhole
d)
Nebula --> protostar --> blackhole --> red supergiant --> supernova --> main sequence
62.
What color star lives the longest?
a)
blue
b)
red
c)
yellow
d)
white
63.
True or False:  Massive stars have LONG lives.
a)
False
b)
True
64.

Supernova

a)

Star left at the core of a planetary nebula

b)

a large cloud of gas or dust in space

c)

the earliest stage of a star's life

d)

red super giant explodes

65.

Protostar

a)

Star left at the core of a planetary nebula

b)

a large cloud of gas or dust in space

c)

the earliest stage of a star's life

d)

red super giant explodes

66.

Nebula

a)

Star left at the core of a planetary nebula

b)

a large cloud of gas or dust in space

c)

the earliest stage of a star's life

d)

red super giant explodes

67.

White Dwarf

a)

Star left at the core of a planetary nebula

b)

a large cloud of gas or dust in space

c)

the earliest stage of a star's life

d)

red super giant explodes

68.

Neutron Star

a)

The remains of a high mass star

b)

Exerts such a strong gravitational pull that no light escapes

c)

What a medium-mass star becomes at the end of its life

d)

The star left at the core of a planetary nebula

69.

Black Hole

a)

The remains of a high mass star

b)

Exerts such a strong gravitational pull that no light escapes

c)

What a medium-mass star becomes at the end of its life

d)

The star left at the core of a planetary nebula

70.

When a star begins to run out of ___________, it is the beginning of the end of the star's ability to produce energy in a process known as ________ _______.

a)

Hydrogen; nuclear fusion

b)

Helium; nuclear fusion

c)

Hydrogen; solar radiation

71.

At which point in its development does a star exit the protostar stage and become a main sequence star?

a)

When the nuclear fusion process begins

b)

When collisions in particles result in an increase of temperature

c)

When gravity squeezes it making it more dense

d)

When it gets bigger and gravity gets stronger causing it to collide more often

72.
Process by which hydrogen atoms join together in the sun's core to form helium
a)
Convection Zone
b)
Solar Wind
c)
Nuclear Fusion
d)
Nuclear Fission
73.
A stream of electrically charged particles that come from the sun
a)
Sunspot
b)
Solar Wind
c)
Solar Flare
d)
Prominence
74.
A dark area of gas on the sun's surface that is cooler than surrounding gases
a)
Sunspot
b)
Prominence
c)
Solar Flare
d)
Solar Wind
75.
An eruption of gas from the sun's surface
a)
Solar Flare
b)
Prominence
c)
Sunspot
d)
Solar Wind
76.
When solar winds enter the Earth's atmosphere at the poles, what is created?
a)
auroras
b)
solar flares
c)
sunspots
d)
warmer temperatures
77.
What is this
a)
Prominice
b)
sun spot
c)
core
d)
Earth
78.

Sudden flash on the surface of the sun, often near sunspots.

a)

CME (coronal mass ejection)

b)

sunspot

c)

prominence

d)

solar flare

79.

An explosion of plasma that follows magnetic field lines.

a)

CME (coronal mass ejection)

b)

sunspot

c)

solar flare

d)

prominence

80.

An area where the temperature and energy is lower than the surrounding plasma.

a)

Sunspot

b)

Solar Flare

c)

Prominence

d)

CME (Coronal Mass Ejection)

81.

For a star, the sun's size can be considered...

a)

exceptionally large

b)

fairly large

c)

average

d)

fairly small

e)

exceptionally small

82.

A large, bright feature extending outward from the Sun's surface

a)

Flares

b)

Star

c)

Prominence

83.

A sudden eruption of radiation from the surface of the Sun

a)

Prominence

b)

Solar Flare

c)

Suns Core

84.
Particles thrown off the sun’s corona that can affect Earth’s magnetic field are called
a)
a coronal mass ejection.
b)
a coronal mass reflection
c)
nuclear fusion
d)
sunspots
85.

Sun spots are areas in the photosphere that are

a)

cooler than the surrounding gases

b)

hotter than the surrounding gases

86.
The particles of the corona extends into space for millions of kilometers and spreads into streams of electrically charged particles called:
a)
coronal discharge
b)
solar flares
c)
coronal ejection
d)
solar winds

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