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Unit 5 ACC TEKS Check Review

Total questions: 109

Worksheet time: 2hrs 46mins

Name
Class
Date
1.

What 2 things are measured on the HR Diagram?

a)

temperature only

b)

dim and temperature

c)

brightness and temperature

d)

mass and temperature

2.

When the most massive stars die they may become what?

a)

black hole

b)

nothing

c)

nebula

d)

supernova

3.

What star do we compare all other stars to?

a)

white dwarf

b)

sun

c)

protostar

d)

nebula

4.

This is a picture of dust and gas that is getting compressed by gravity, which stage of the life cycle of a star is this?

a)

Black Hole

b)

Main Sequence

c)

Nebula

d)

Protostar

5.

The sun is classified as what stage in the Life Cycle of a star?

a)

Nebula

b)

Protostar

c)

Main Sequence

d)

Red Giant

6.

White Dwarf stars are considered?

a)

Bright, but Hot

b)

Hot, but Dim

c)

Small, but Bright

d)

Large, but dim

7.

Two stars are identified on the Hertzsprung-Russell diagram. Based on this diagram, how do the characteristics of Star 1 and Star 2 compare?

a)

Star 1 is cooler and less bright than Star 2

b)

Star 1 is hotter and brighter than Star 2

c)

Star 1 is cooler and brighter than Star 2

d)

Star 1 is hotter and less bright than Star 2

8.

All stars begin their life as a

a)

Main Sequence

b)

Nebula

c)

Protostar

d)

Black Dwarf

9.
A gigantic explosion that causes the death of a large star is called
a)
pulsar
b)
red giant 
c)
supernova
d)
black hole
10.

The stage after the main sequence star:

a)

red giant

b)

nebula

c)

white dwarf

d)

black dwarf

11.
What stage fills in the blank. Nebula --> Main sequence --> red giant --> ______________ --> white dwarf --> black dwaft
a)
supergiant
b)
planetary nebula
c)
black hole
d)
supernova
12.
Which of the following is NOT a final stage of a star. 
a)
black hole
b)
black dwarf
c)
neutron star
d)
red giant
13.
In the diagram given, what happens as we move to the left?
a)
Stars Get Larger
b)
Stars get Colder
c)
Stars get hotter
14.
Which star is the coldest?
a)
Yellow Star
b)
Red Star
c)
Orange Star
d)
Blue Star
15.
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
16.
The category that contains the most stars is...
a)
Main Sequence
b)
Supergiants
c)
Giants
17.
Red stars are the _____________.
a)
hottest
b)
coolest
c)
biggest
d)
brightest
18.
Blue stars are the _____________.
a)
hottest
b)
coolest
c)
smallest
19.
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
20.
Which star has the lowest temperature?
a)
A
b)
B
c)
C
d)
D
21.

In the life cycle of a massive star, it will become a...

a)

white dwarf

b)

red supergiant

c)

black dwarf

d)

red giant

22.

What factor determines whether a star will eventually become planetary nebula or a supernova?

a)

amount of mass

b)

amount of luminosity

c)

amount of temperature

d)

amount of oxygen

23.
What type of stars burn Hydrogen as fuel?
a)
Main Sequence
b)
Red Giants
c)
White Dwarfs
d)
Red Supergiants
24.
What word best describes our sun?
a)
Average
b)
Supergiant
c)
Dwarf
d)
Red Giant
25.
What is the name of the largest stars?
a)
Protostars
b)
Supergiants
c)
Red Giants
d)
Dwarf Stars
26.
Most stars are made of which elements?
a)
Hydrogen only
b)
Hydrogen and Lithium
c)
Hydrogen and Sodium
d)
Hydrogen and Helium
27.
What is the graph that shows the relations between a star's surface temperature and absolute magnitude?
a)
H-R Diagram
b)
Star Cluster Map
c)
Einstein's Diagram
d)
Newton's Chart of Stars
28.
The Hertzprung Russell Diagram consists of two axis that are labelled...
a)
Luminosity and Size
b)
Luminosity and Temperature
c)
Luminosity and Age
29.

Where are the coolest stars on an HR Diagram found?

a)

top

b)

bottom

c)

left

d)

right

30.
The path a star takes during its life cycle depends solely on its _____.
a)
temperature
b)
luminosity
c)
mass
d)
location
31.

What two words could go in the blanks to describe star B?

a)

Bright, Hot

b)

Bright, Cool

c)

Dim, Hot

d)

Dim, Cool

32.

What two words could go in the blanks to describe star C?

a)

Bright, Hot

b)

Bright, Cool

c)

Dim, Hot

d)

Dim, Cool

33.

What two words could go in the blanks to describe star D?

a)

Bright, Hot

b)

Bright, Cool

c)

Dim, Hot

d)

Dim, Cool

34.

What two words could go in the blanks to describe star A?

a)

Bright, Hot

b)

Bright, Cool

c)

Dim, Hot

d)

Dim, Cool

35.

What happens to the gases in the planetary nebula?

a)

They become regions where galaxies form.

b)

They release carbon that eventually is recycled in other stars.

c)

They eventually form stars made mainly of hydrogen and helium.

d)

They release enormous amounts of energy and explode.

36.

What happens in a star’s life cycle when it moves off the main sequence?

a)

The star contracts until the core is hot and dense enough for nuclear fusion to begin.

b)

The star collapses inward and releases energy.

c)

The star begins to fuse hydrogen into helium in the core.

d)

The star forms iron in its core, the core collapses quickly, and the star explodes.

37.

How does the Cosmic Microwave Background provide evidence of the Big Bang?

a)

As predicted, light released shortly after the Big Bang was red shifted as the universe warmed up.

b)

As predicted, light released shortly before the Big Bang was blue shifted as the universe filled with dark matter.

c)

As predicted, light released shortly after the Big Bang was blue shifted as the universe expanded and cooled.

d)

As predicted, light released shortly after the Big Bang was red shifted as the universe expanded and cooled.

38.

The current theory of the universe’s origin is most supported by which of the following evidence?

a)

the increase in temperature in space over time

b)

the formation of stars in the Milky Way galaxy

c)

observations of supernova explosions

d)

the amount of hydrogen and helium present in the universe

39.

A student sketches the following galaxies in a notebook. How should the student label each of the galaxies?

a)

A-Irregular, B-Spiral, C-Elliptical

b)

A-Elliptical, B-Circular, C-Irregular

c)

A-Spiral, B-Irregular, C-Elliptical

d)

A-Spiral, B-Elliptical, C-Irregular

40.

What type of stars would be found along line A?

a)

White dwarfs

b)

Main sequence

c)

Supergiants

d)

Red giants

41.

Which location on the Hertzsprung-Russell diagram contains the hottest and brightest stars in the universe?

a)

Location A

b)

Location B

c)

Location C

d)

Location E

42.

What can scientists predict based on the color of a star?

a)

Brightness

b)

Luminosity

c)

Temperature

d)

Size

43.

Based on the Hertzsprung-Russell diagram, which list accurately places various stars in order from highest to lowest average surface temperature?

a)

C, B, E, A, D

b)

C, D, A, B, E

c)

D, A , E, B, C

d)

E, B, D, A, C

44.

A huge system of millions or billions of stars, together with gas and dust, held together by gravity.

a)

galaxy

b)

solar system

c)

nebula

d)

asteroid

45.

A random scattered type of galaxy that does not form a distinct shape or pattern.

a)

irregular galaxy

b)

spiral galaxy

c)

elliptical galaxy

d)

random galaxy

46.

A flat, disk-shaped galaxy with a central bulge and winding "arms" that extend outward.

a)

irregular galaxy

b)

spiral galaxy

c)

elliptical galaxy

d)

random galaxy

47.

Identify the galaxy in the image.

a)

irregular

b)

spiral

c)

elliptical

d)

none listed

48.

Identify the galaxy in the image.

a)

irregular

b)

spiral

c)

elliptical

d)

none listed

49.

Identify the galaxy in the image.

a)

irregular

b)

spiral

c)

elliptical

d)

none listed

50.

Identify the galaxy in the image.

a)

irregular

b)

spiral

c)

elliptical

d)

none listed

51.

Identify the galaxy in the image.

a)

irregular

b)

spiral

c)

elliptical

d)

none listed

52.

Identify the galaxy in the image.

a)

irregular

b)

spiral

c)

elliptical

d)

none listed

53.

Identify the galaxy in the image.

a)

irregular

b)

spiral

c)

elliptical

d)

none listed

54.

This is the name of the galaxy Earth is in.

a)

Andromeda

b)

Milky Way

c)

Solar System

55.

What type of galaxy is this?

a)

Irregular

b)

Spiral

c)

Elliptical

56.

A _____ is a sphere of matter, body made of gas, held together by gravity and with a temperature great enough to generate light by a nuclear reaction.

a)

star

b)

galaxy

c)

nebula

d)

black hole

57.
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
58.
All stars begin their life in a
a)
Main Sequence
b)
Nebula
c)
Vacuum
d)
Black Dwarf
59.
Our galaxy is called the
a)
Earth Nebula
b)
The Hubble Galaxy
c)
The Milky Way
d)
The Snickers
60.
The force of _______ keeps Earth in orbit around the Sun. 
a)
Heat energy
b)
Gravity
c)
Light Energy
d)
Temperature 
61.
Select the order from smallest to largest.
a)
Sun, Milky Way, solar system, universe
b)
Sun, Milky Way, universe, solar system
c)
Sun, solar system, Milky Way, universe
d)
Sun, solar system, universe, Milky Way
62.
Planets that are farther from the sun
a)
take more time to orbit
b)
take less time to orbit
63.

What keeps planets in the solar system from moving in straight lines through the galaxy?

a)

A. Light energy

b)

B. Gravity

c)

C. Inertia

d)

D. Potential energy

64.

"Made mostly of ice", fits best under which heading in the Venn diagram below?

a)

A. Asteroid

b)

B. Meteor

c)

C. Comet

d)

D. Section X

65.

Objects made of ice, gas and dust and orbit our sun are called:

a)

A. Asteroids

b)

B. Meteors

c)

C. Comets

d)

D. Planets

66.

Why does it take Neptune so long to revolve around the Sun?

a)

A. The Sun is applying large amounts of gravity on the planet, slowing it down.

b)

B.

Neptune has a large diameter causing the planet to be less aerodynamic, slowing it

down.

c)

C. Neptune is such a long distance away that it has a large orbital path.

d)

D.

Neptune is rotating fast for its size, and the energy of its orbit is being transferred into

rotational speed.

67.

Which of the following is the biggest and most complex system?

a)

Galaxy cluster

b)

Galaxy

c)

Solar system

d)

Universe

68.

Which of the following has the hierarchy of the universe listed, in order, from least complex to most complex.

a)

moon, planet, star, black hole

b)

Universe, galaxy, galaxy cluster, solar system, planet, moon

c)

moon, planet, solar system, galaxy, galaxy cluster, universe

d)

moon, planet, solar system, galaxy cluster, galaxy, universe

69.
We live in the ___________ galaxy.
a)
Andromeda
b)
M42
c)
Milky Way 
d)
M81
70.
The closer a planet is to the sun...
a)
the faster it travels
b)
the slower it travels
71.
Which planets are terrestrial planets
a)
Inner planets
b)
Outer planets
c)
Both
d)
Asteroid belt
72.

The Sun is at the center of our solar system.  All the planets in the solar system orbit around the Sun. Neptune has the longest period of revolution because...?

a)

It is closest to the Sun

b)

It is the furthest from the sun

c)

It is the largest planet

d)

It is the smallest planet

73.
Mercury, Venus, Earth, and Mars are called.....?
a)
Jovian Planets
b)
Awesome Sauce Planets
c)
Gas Giants
d)
Inner Planets
74.
What do we call Jupiter, Saturn, Uranus and Neptune?
a)
Outer Planets
b)
Terrestrial Planets
c)
Inner Planets
d)
Oort Cloud
75.

What is the correct order of the planets in the Solar System, starting closest to the Sun?

a)

Mars, Mercury, Earth, Venus, Jupiter, Saturn, Uranus, Neptune,

b)

Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune

c)

Mercury, Mars, Venus, Earth, Jupiter, Saturn, Uranus, Neptune,

d)

Mercury, Venus, Earth, Mars, Jupiter, Neptune, Uranus, Saturn

76.

What do Mercury, Venus, Earth, and Mars all have in common?

a)

They are all very cold planets.

b)

They are considered terrestrial planets, that are small, rocky, or have metals with hard surface.

c)

They are about the same size.

d)

They are considered gas giants

77.

The inner planets are also called a

a)

Gas giants

b)

Terrestrial planets

c)

Large planets

d)

Asteroid

78.

As the distance from the sun increases for a planet, the time it takes to revolve (or orbit) around the sun will ________________?

a)

Stay the same

b)

decrease (take shorter

c)

increase (take longer)

d)

Reverses

79.

What is the main reason Earth is the only planet in our solar system capable of sustaining life as we know it?

a)

Earth has a liquid core.

b)

Earth has 4 layers

c)

Earth has magnetic poles.

d)

Earth has the atmosphere to support life

80.
What characteristics of inner planets are correct?
a)
terrestrial and larger
b)
gaseous and smaller
c)
gaseous and larger
d)
terrestrial and smaller
81.

The inner planets share 2 qualities or characteristics

a)

Humans can live on them, they all have water

b)

They are rocky, and humans can find food on them

c)

They are rocky and close to the Sun

d)

They are close to the Sun, and humans can live on them

82.

When we see streaks of light falling in the sky, we call them falling stars but these objects are actually ________________

a)

meteors

b)

comets

c)

meteorites

d)

asterites

83.

Which of the following answers describes a comet?

a)

Has a coma and a tail made of ice and rock.

b)

Made of small rocks and dust

c)

Made of helium and hydrogen

d)

Made of space dust

84.

An attractive force that exists between all objects that have mass

a)

Gravity

b)

Eccentricity

c)

Inertia

d)

Momentum

85.

A measure of how hard it is to stop a moving object

a)

Momentum

b)

Inertia

c)

Gravity

86.

Why do all of the planets orbit the sun rather than Earth?

a)

the sun has more mass

b)

the sun is a star

c)

the Earth is heavier

d)

the sun is in the middle of the milky way

87.

Why do all of the planets orbit the sun rather than Earth?

a)

the sun has more mass

b)

the sun is a star

c)

the Earth is heavier

d)

the sun is in the middle of the milky way

88.

As distance increases, gravitational forces:

a)

Decrease

b)

increase

c)

Disappear

d)

Stay the same

89.

As mass increases, gravitational forces:

a)

Increase

b)

decrease

c)

stay the same

d)

disappear

90.

Earth's _____ helps protect life from ultraviolet radiation.

a)

water

b)

oxygen

c)

ozone layer

d)

ice

91.

Earth's atmosphere is mostly made up of the gases _____ and _____.

a)

water and ice

b)

atmosphere and ozone layer

c)

oxygen and nitrogen

d)

oxygen and water

92.

Which planet would be the most likely place to observe for life?

a)

A

b)

B

c)

C

d)

D

93.

14) The diagram below represents the Sun and planets of our solar system. Which planet on the above diagram represents Earth?

a)

G

b)

H

c)

K

d)

M

94.
Define habitable zone.
a)
a vehicle propelled by the exhaust made from burning fuel
b)
an area that is just the right distance from the sun, or other star, that it is not too hot or too cold to support life
c)
matter that contains carbon which includes all living things
d)
the study of the origin, development, distribution, and future of life on Earth and in the universe
95.

Which choice best depicts the shape of the Milky way?

a)
b)
c)
d)
96.

Our solar system is part of the Milky Way galaxy. The sun is at the center of our solar system. All of the following are possible locations of the sun in the Milky Way galaxy EXCEPT

a)

Postion A

b)

Postion B

c)

Postion C

d)

Postion D

97.

I am made of lots of gas and dust.

Usually Forming many new stars, but with no structure.

Might be the result of galaxies colliding

What am I?

a)

Irregular

b)

Spiral

c)

Elliptical

98.

Star formation is no longer occurring

I lack dust and gas

What am I?

a)

Spiral

b)

Irregular

c)

Elliptical

99.

What are the TWO things that affect the force of gravity between objects?

a)

The mass of the objects

b)

The chemical composition of the objects

c)

The net force between the objects

d)

The distance between the objects

100.

Type of galaxy that do not have a definable regular shape and they contain mostly YOUNG stars, dust and gas.

a)

Elliptical Galaxies

b)

Regular Galaxies

c)

Irregular Galaxies

d)

Spiral Galaxies

101.

Type of galaxy that do not have a definable regular shape and they contain mostly YOUNG stars, dust and gas.

a)

Elliptical Galaxies

b)

Regular Galaxies

c)

Irregular Galaxies

d)

Spiral Galaxies

102.

Type of galaxy that looks like a flattened ball and contain billions of OLD stars and has little dust and gas. Because of minimal gas and dust, new stars cannot form in this galaxy.

a)

Elliptical Galaxies

b)

Regular Galaxies

c)

Irregular Galaxies

d)

Spiral Galaxies

103.

Type of galaxy that looks like a flattened ball and contain billions of OLD stars and has little dust and gas. Because of minimal gas and dust, new stars cannot form in this galaxy.

a)

Elliptical Galaxies

b)

Regular Galaxies

c)

Irregular Galaxies

d)

Spiral Galaxies

104.
What type of galaxy is this?
a)
Spiral
b)
Elliptical
c)
Irregular
d)
Irrational
105.

What type of galaxy is this?

a)

Irregular

b)

Elliptical

c)

Spiral

d)

It isn't a galaxy

106.

What type of galaxy is this?

a)

Irregular

b)

Elliptical

c)

Spiral

d)

It isn't a galaxy

107.

Identify the galaxy in the image.

a)

irregular

b)

spiral

c)

elliptical

d)

none listed

108.
Which of the following is evidence of the Big Bang Theory?
a)
Cavemen heard a loud bang at the beginning of time.
b)
The universe isn't moving
c)
The universe is expanding
d)
The universe is getting smaller
109.

Ever since the universe began, the universe has been

a)

expanding

b)

contracting

c)

stays the same size

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