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The Stars

Total questions: 71

Worksheet time: 54mins

Name
Class
Date
1.
What color of star is the hottest?
a)
Blue
b)
Red
c)
Yellow
d)
Orange
2.
What color of star is the coolest?
a)
Red
b)
Yellow
c)
Blue
d)
White
3.
What is the name of the gas/dust clouds where all stars form?
a)
Nebulas
b)
Protostars 
c)
Supernova
d)
Neutron Star
4.
What are stars?
a)
Rocky bodies
b)
Burning balls of gas
c)
5 pointed shapes
d)
Hollywood actors
5.
The color of a star tells us its
a)
magnitude
b)
temperature
c)
size
d)
age
6.
The life cycles of stars are determined by their:
a)
mass (size)
b)
color
c)
distance from Earth
d)
luminosity
7.
Most stars are made of which gases?
a)
Hydrogen only
b)
Hydrogen and Lithium
c)
Hydrogen and Sodium
d)
Hydrogen and Helium
8.
Our sun is currently in what star stage?
a)
Protostar
b)
Nebula
c)
Main Sequence
d)
Red Giant
9.
Which is not an end stage of a star?
a)
black giant
b)
black hole
c)
neutron star
d)
black dwarf
10.
After the main sequence, a low mass star becomes a
a)
black dwarf
b)
protostar
c)
red giant
d)
supergiant
11.
After the main sequence, a high mass star becomes a
a)
black dwarf
b)
protostar
c)
red giant
d)
supergiant
12.
The final stage of a low mass star is a 
a)
neutron star
b)
nebula
c)
black hole
d)
black dwarf
13.
After a supergiant, a high mass star explodes and forms a
a)
supernova
b)
red giant
c)
black hole
d)
planetary nebula
14.

The smallest and the most common stars giving off very little light.

a)

Blue Giant stars

b)

Red Dwarf stars

c)

White Dwarf stars

d)

Neutron stars

15.
The distance that light travels in one year...
a)
Light year
b)
Quantumyear
c)
Stellar-year
d)
1 million kilometers
16.
A large cloud of gas and dust in interstellar space; the predecessor to stars...
a)
Constellation
b)
Black hole
c)
Nebula
d)
Galaxy
17.
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
18.
Which category is our Sun located in?
a)
White Dwarfs
b)
Supergiants
c)
Main Sequence
d)
Giants
19.
The category that contains the most stars is...
a)
Main Sequence
b)
Supergiants
c)
Giants
20.

What characteristics are used to classify stars?

a)

Flammability, weight, and reactivity

b)

Temperature/color and brightness

c)

Conductivity, luster, and density

d)

Malleability, distance, and viscoscity

21.

What is magnitude?

a)

degree of compactness of a star.

b)

degree of temperature of a star.

c)

the age of a star.

d)

degree of brightness of a star.

22.

Using the HR diagram, choose the color of Zeta Eridani

a)

blue

b)

white

c)

yellow

d)

red

23.

Which star is hotter than Deneb

a)

Procyon

b)

Sun

c)

Regel

d)

Banard's Star

24.

Which star is brighter than the sun?

a)

Sirius B

b)

Procyon B

c)

Van Maanan's Star

d)

Aldebaran

25.

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

a)

Pollux

b)

Spica

c)

Tau Ceti

d)

Mira

26.

Which star is considered a main sequence star?

a)

Vega

b)

Betelgeuse

c)

Pollux

d)

Van Maanan's Star

27.

Which star is considered a giant star?

a)

Mira

b)

Zeta Arindani

c)

Barnard's Star

d)

Betelgeuse

28.

Which star is considered a supergiant?

a)

Sirius B

b)

Sun

c)

Betelgeuse

d)

Van Maanan's Star

29.

Which star is considered a dwarf star?

a)

Altair

b)

Procyon B

c)

Deneb

d)

Sirius

30.

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

31.

What is the Hertzsprung-Russel Diagram?

a)

A map which tells the approximate location of stars in the Milky Way galaxy and their distance from Earth.

b)

A table that alphabetically lists stars by name and includes dates of when the star was first charted.

c)

A chart which organizes stars into categories based on the amount of Hydrogen they burn.

d)

A graph used to classify stars according to their luminosity, color, temperature, and stage.

32.

Knowing the color of a star also tells us its __________

a)

age

b)

location

c)

temperature

d)

name

33.
What is a large celestial body that is composed of gas and that emits light?
a)
Nebula
b)
Star
c)
Galaxy
d)
Planet
34.
What is the name of the star closest to the Celestial North Pole?
a)
Rigel
b)
Vega
c)
Polaris
d)
Orion
35.
How long does it take a star to get back to the same position in the sky it was the night before?
a)
24 hours exactly
b)
24 hours and 4 minutes
c)
23 hours 30 minutes
d)
23 hours 56 minutes
36.
The Celestial Sphere's coordinates are related to what Earth system of coordinates?
a)
Arctic & Antarctic Circles
b)
Longitude & Latitude
c)
Tropics of Capricorn and Cancer
d)
Sonar systems
37.
What the celestial equivalent of "latitude?" 
a)
Inclination
b)
Left Ascension
c)
Right Ascension
d)
Declination
38.
What the celestial equivalent of "longitude?" 
a)
Inclination
b)
Left Ascension
c)
Right Ascension
d)
Declination
39.

How long does it take the sun to move through all of the constellations of the zodiac?

a)

one day

b)

one month

c)

one week

d)

one year

40.

The path the sun appears to follow through the constellations of the zodiac actually represents the Earth's orbit around the sun. It is called the:

a)

celestial equator

b)

meridian

c)

parallel

d)

ecliptic

41.

Constellations that are visible year round (they do not rise or set), are known as:

a)

Ecliptical

b)

Celestial

c)

Circumpolar

d)

Seasonal

42.

If an astronomer informs you that a constellation is at the zenith, where would you look for it?

a)

northern horizon

b)

southern horizon

c)

directly overhead

d)

eastern horizon

43.

The line running north-south through the zenith is called the

a)

horizon

b)

azimuth

c)

ecliptic

d)

meridian

44.

What is the celestial equator?

a)

A band of constellations through which the planets and sun appear to move.

b)

The line that the sun traces across the celestial sphere.

c)

An imaginary line in the sky directly above Earth's equator.

d)

An imaginary line running north-south through the zenith

45.

What is the difference between the angle of measurement terms azimuth & altitude?

a)

altitude is only used to describe elevation

b)

azimuth is a "side to side" circle; altitude is "up & down"

c)

azimuth is a "up & down" circle; altitude is "side to side"

d)

both are projections of latitude & longitude

46.
Stars are formed from big clouds of gas and dust is known as a ______. 
a)
clouds grande
b)
BCOG's
c)
neutron clouds
d)
nebulae
47.
The only force acting on the nebulae is ________.
a)
thermal
b)
singular
c)
gravity
d)
microscopic
48.
A star is born when ________________ begins to happen.
a)
nuclear fusion
b)
nuclear abrasion
c)
crying
d)
nuclear fission
49.
The two forces battling it out are gravitational forces and ______________.
a)
tidal forces
b)
more gravitational forces
c)
bonding
d)
thermal forces
50.
Larger, cooler stars are called ___________.
a)
Blue Giants
b)
White Dwarfs
c)
Red Giants
d)
Yellow Giants
51.
The core of a Red Giant collapses and becomes a ___________________.
a)
White Dwarf
b)
Blue Supergiant
c)
Red Supergiant
d)
Black Hole
52.
When the core of a Red Supergiant collapses, a bright event known as a ___________ occurs.
a)
superdupernova
b)
supernova
c)
big bang
d)
black hole
53.
After a supernova, the core can collapse into a neutron star, or if massive enough even a ___________.
a)
Black Hole
b)
White Dwarf
c)
Brown Dwarf
d)
Black Dwarf
54.
When a Red Giant's outer atmosphere drifts away it is now known as a ____________.
a)
planetary cloud
b)
White Dwarf cloud
c)
planetary nebula
d)
expanding nebula
55.
More massive stars continue to fuse elements in their cores all the way up to ________.
a)
silicon
b)
iron (Fe)
c)
carbon
d)
plutonium
56.
One possible outcome that is left after a supernova is a super dense core called a _____________.
a)
neutron star
b)
Yellow Star
c)
Red Giant
d)
Black Dwarf
57.
A black hole is an object so dense with so much gravity that even ________ cannot escape.
a)
man
b)
bacon
c)
spaceships
d)
light
58.
Everything you see around you was made inside ________.
a)
the earth
b)
factories
c)
stars
d)
an oven
59.
All stars begin their life in a
a)
Main Sequence
b)
Nebula
c)
Protostar
d)
Black Dwarf
60.
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
61.
The life cycles of stars are determined by their:
a)
mass (size)
b)
color
c)
distance from Earth
d)
luminosity
62.
Our sun is currently in what star stage?
a)
Protostar
b)
Nebula
c)
Main Sequence
d)
Red Giant
63.
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
64.
The only way the sun can send heat to Earth. Heat travels as an electromagnetic wave.
a)
Conduction
b)
Convection
c)
Thermal Radiation
d)
Electromagnetic Waves
65.

A yellow dwarf main sequence star. The central star in our solar system.

a)

Mars

b)

The Sun

c)

Rigel

d)

Polaris

66.
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
67.
A diagram or graph that shows the relationship between luminosity and temperature in a star.
a)
HR (Hertzsprung - Russell) Diagram
b)
Color vs. Brightness chart
c)
Temperature vs. Luminosity chart
d)
Stellar life cycle chart
68.
Any star that is fusing hydrogen in its core and has a stable balance of outward pressure from core nuclear fusion and gravitational forces pulling inward.
a)
Red giant star
b)
White dwarf star
c)
Supergiant star
d)
Main sequence star
69.
A main sequence star that has stopped fusing hydrogen and begun fusing helium. It has grown in size and changed color as a result. (this is the fate of our sun)
a)
Black hole
b)
Red giant star
c)
White dwarf star
d)
Super red giant star
70.
A small, hot, dim star that is the leftover center of an old star
a)
Yellow dwarf star
b)
Black dwarf star
c)
White dwarf star
d)
Red dwarf star
71.

What is apparent brightness?

a)

The measure of how bright a star appears to an observer on Earth.

b)

How far away a star is from Earth.

c)

The brightness of a star.

d)

A measure of how bright the star would be if all stars were the same distance from Earth.

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