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The universe

Total questions: 55

Worksheet time: 41mins

Name
Class
Date
1.
The ________ is a collection of large and small bodies that orbit our central star.
a)
Universe 
b)
Solar System
c)
Planet
d)
Moon
2.
This is a large collection of stars, gas, and dust that is held together by gravity.
a)
Galaxy
b)

Universe

c)
Earth
d)
Star
3.
Space and all the matter and energy in it. 
a)
Clusters
b)
Universe
c)
voids
d)
Light Year
4.
What galaxy do you live in?
a)
Earth
b)
Andromeda
c)
Hersey
d)
Milky Way
5.
Our sun is a ____________ star?
a)
Dwarf
b)
Supergiant
c)
Giant
d)

Medium

6.

Which type of star has the following life cycle:

Nebula-Protostar-Main Sequence-Red Supergiant-Supernova-Black Hole / Neutron Star

a)

Large Mass Star (Massive)

b)

Small Mass Star

c)

The Sun

d)

The Moon

7.

Which type of star has the following life cycle?

Nebula-Protostar-Main Sequence-Red Giant-Planetary Nebula-White Dwarf-Black Dwarf

a)

Large Mass Star (Massive)

b)

Med/Small (Low) Mass Star

c)

The Moon

d)

Jupiter

8.
Select the picture that represents a spiral galaxy.
a)
A
b)
B
c)
C
d)
D
9.

What is the explosion of a star called?

a)

A Catastrophe

b)

A Black Hole

c)

A Supernova

d)

A Grand Explosion

10.

How old is the Universe?

a)

100 million years old

b)

4.6 Billion years old

c)

13.7 Billion years old

d)

A Gazillion years old

11.

What happens when a Super Massive star explodes?

a)

A black hole is formed

b)

It creates a new star

c)

it gets destroyed

d)

None of the above

12.

A cloud of gas and dust in space is called?

a)

A Galaxy

b)

A Cloud

c)

A Nebula

d)

A planet

13.

If a Giant star doesn't have enough mass to create a black hole what does it create?

a)

A proton star

b)

A neutron star

c)

A brown dwarf

d)

A gas giant

14.

What is the name of our Galaxy?

a)

Saturn

b)

Milky Way

c)

Superman

d)

Wonder Woman

15.
Which of the following is the most accurate description of the relationship between componenets of the universe?
a)
A star contain a few galaxies
b)
Solar systems contain many galaxies
c)
Galaxies contain many stars
d)
 Stars contain several solar systems
16.
Which of the following best describes a galaxy? A galaxy is –
a)
the ending of the life cycle of all super massive stars in the universe.
b)
a massive system of stars, gas, dust, and dark matter bound together by gravity.
c)
a visible body of liquid or frozen crystal droplets suspended above a planetary surface.
d)
the visible path of a meteoroid as it enters Earth’s atmosphere.
17.
What are the three shapes galaxies take?
a)
spiral, circular, elliptical
b)
elliptical, irregular, pancake shaped
c)
spiral, elliptical, irregular
d)
irregular spiral, flat
18.
At the center of most, if not all galaxies is a… 
a)
Giant sun
b)
Giant black hole
c)
A big bang
d)
A small sun
19.
What is the name given to the event that formed the Universe?
a)
The Big Burst
b)
The Big Bang
c)
The Loud Explosion
d)
The Fizzy Pop
20.
How do black holes form?
a)
When planets collide
b)
When comets strike planets
c)
When asteroids hit stars
d)
When giant stars explode
21.
What is a supernova?
a)
A formation of a galaxy
b)
An explosion of a huge star
c)
The outer portion of a black hole
d)
A type of star
22.

The explosion that sent the universe flying out is called _____.

a)

The Big Bang

b)

The Milky Way

c)

The Solar System

d)

The Sun

23.

Since the Big Bang, and even today, the universe is still _____.

a)

Expanding

b)

Shrinking

c)

Cooking

d)

Spinning

24.

Which statement is true?

a)

The galaxies are moving toward us.

b)

The galaxies are moving away from us.

c)

The universe remains static or unchanged in motion.

d)

None of the above

25.

As galaxies move away from our galaxy

a shift on the electromagnetic spectrum

(EMS) is noticed. This phenomena is

called _____________.

a)

redshift

b)

blueshift

c)

unshift

d)

blackshift

26.
Select the correct order of waves on the EMS 
a)
Radio, Micro, Infra, Visible, Ultra, X-ray, Gamma
b)
Gamma, X-ray, Ultra, Vis, Infra, Micro, Radio
c)
Vis, Micro, Infra, Ultra, X-ray, Gamma, Radio
d)
Micro, Radio, Vis, Infra, Ultra, X-ray, Gamma
27.
Which has the LONGEST wavelength and, therefore, the lowest frequency/energy
a)
Gamma Rays
b)
Radio Waves
c)
Visible Light
d)
Infrared rays
28.
Which has the SHORTEST wavelength and, therefore, the highest frequency/most energy
a)
Radio waves
b)
Ultraviolet Rays
c)
Gamma Rays
d)
X-rays
29.
Which section of the spectrum is the ONLY one we can see?
a)
X-rays
b)
Visible Light
c)
Gamma Rays
d)
Ultraviolet Rays
30.

Which does the existance of cosmic background radiation support?

a)

the Big Bang Theory

b)

the inflationary model

c)

Geocentric theory

d)

Steady state theory

31.

Which scientist was the first to find evidence that the universe is expanding

a)

Albert Einstein

b)

Galileo Galilei

c)

Edwin Hubble

d)

Stephen Hawking

32.
Which of the following is the largest?
a)
star
b)
universe
c)
cluster
d)
galaxy
33.
 The actual brightness of an object such as a star
a)
Luminosity 
b)
Apparent Magnitude 
c)
Brightness 
d)
Light Year
34.
In the diagram given, what happens as we move to the left?
a)
Stars get larger
b)
Stars get colder
c)
Stars get hotter
d)
Stars get smaller
35.
According to this Hertzsprung-Russell Diagram which stars are brightest?
a)
Purple
b)
Red
c)
Blue
d)
Yellow
36.
Hertzsprung-Russell Diagram shows the correct order of decreasing surface temp for stars is?
a)
Red, Yellow, White, Blue
b)
Red, Yellow, Red, Yellow
c)
Blue, White, Yellow, Red
d)
Blue, Red, White, Yellow
37.
Which stars have the highest surface temperature?
a)
Yellow
b)
Red
c)
Blue
d)
Orange
38.
Betelgeuse is classified as a ____________ star.
a)
Supergiant
b)
Giant
c)
White Dwarf
d)
Main Sequence
39.
Our Sun is a ______________ star.
a)
Blue 
b)
Main Sequence
c)
Yellow
d)
Orange
40.
Which type of stars belong in spectral class K and have the lowest luminosity?
a)
White Dwarf
b)
Giants
c)
Main Sequence
d)
Supergiants
41.
Luminosity measures a star's _____________________.
a)
Color
b)
Temperature
c)
Brightness
42.
A massive star could become a ______.
a)
Neutron Star
b)
Red Giant
c)
White Dwarf
d)
Average Star
43.
Which type of galaxy has the highest percentage of old stars?
a)
Elliptical
b)
Irregular
c)
Spiral
d)
Hollywood
44.

How is the universe rising raisin bread dough? Or, like a ballon with dots on it?

a)

As the dough sits there it becomes smaller and smaller.

b)

As the dough expands the raising bunch up together.

c)

As the dough contracts, it become ready for the oven.

d)

As the dough expands, the raising move further apart from each other.

45.
In the diagram given, what happens as we move to the left?
a)
Stars Get Larger
b)
Stars get Colder
c)
Stars get hotter
46.
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
47.

Which of the following describes a nebula?

a)

A cloud of gas and dust where new stars form

b)

An oval-shaped cluster of densely packed stars

c)

An explosion at the end of a giant star’s life

d)

A star and all the planets that revolve around it

48.

Elliptical, spiral, and irregular are all classifications of the overall shape of which of the following?

a)

stars

b)

galaxies

c)

nebulae

d)

comets

49.

Which one is an irregular galaxy?

a)
b)
c)
d)
50.

What were the original two elements in our universe?

a)

Hydrogen and Lithium

b)

Helium and Oxygen

c)

Helium and Hydrogen

d)

None of the above

51.

Apparent magnitude is known as

a)

The appearance of a star's brightness as seen from Earth

b)

How big the star is

c)

If the star is bright

52.

What is absolute magnitude?

a)

How bright a star is

b)

The measurable brightness of a star at a standard comparable distance.

c)

How large a star is

d)

If a star can be seen from Earth

53.
On the H-R diagram, the Sun is a _____.
a)
Main Sequence star
b)
Red Giant
c)
White Dwarf
d)
Blue Giant
54.

The main or primary fuel used by stars for nuclear fusion during its main sequence stage?

a)

Oxygen

b)

Argon

c)

Hydrogen

d)

Helium

55.

The secondary fuel used by stars for nuclear fusion during its Red Giant/ Super Red Giant stage?

a)

Oxygen

b)

Argon

c)

Hydrogen

d)

Helium

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