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Extra Credit Universe Review

Total questions: 40

Worksheet time: 44mins

Name
Class
Date
1.
The earth _________ around the sun.
a)
rotates
b)
revolves
c)
spins
d)
gyrates
2.

Which of the following correctly places these in order from LARGEST to SMALLEST?

a)

galaxy -- local group/cluster -- planet -- solar system -- universe

b)

universe -- local group/cluster -- galaxy -- solar system -- planet

c)

planet -- solar system -- galaxy -- local group/cluster -- universe

d)

universe -- galaxy -- solar system -- local group/cluster -- planet

3.

A galaxy which has a nucleus of bright stars and two or more arms in circular formation is called a ___ galaxy.

a)

elliptical

b)

humanoid

c)

irregular

d)

spiral

4.

An explosion that occurs at the end of a stars life cycle is known as:

a)

Superior Star

b)

White Dwarf

c)

Supernova

d)

Neutron star

5.

What Galaxy is Earth located?

a)

Andromeda

b)

Milky Way

c)

Sagittarius

d)

Snickers

6.

How many main sequence stars is in our solar system?

a)

2

b)

8

c)

1

d)

None

7.
In the diagram given, what happens as we move to the left?
a)
Stars Get Larger
b)
Stars get Colder
c)
Stars get hotter
8.
Which of these stars is hottest?
a)
Red Star
b)
Yellow Star
c)
Orange Star
d)
Blue Star
9.
Which star is the coldest?
a)
Yellow Star
b)
Red Star
c)
Orange Star
d)
Blue Star
10.
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
11.
The category that contains the most stars is...
a)
Main Sequence
b)
Supergiants
c)
Giants
12.
As a whole, Giants are considered hotter than White Dwarfs.
a)
True
b)
False
13.
Which star has the lowest temperature?
a)
A
b)
B
c)
C
d)
D
14.
Which spectral class does our star, the sun, belong to?
a)
M
b)
K
c)
G
d)
F
15.
What determines the color of a star? 
a)
It's size
b)
It's temperature
c)
It's composition
d)
They are all the same color 
16.
As you move from the bottom to the top of the H R diagram the __________ changes.
a)
Temperature
b)
Luminosity or Brightness
17.
What is the best title for this picture?
a)
Birth of a Star
b)
Birth of a Universe
c)
Life Cycle of a Star
d)
Big Bang Theory
18.
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
19.
 Which one shows the correct location of the Sun in the Milky Way galaxy?
a)
A
b)
B
c)
C
d)
none of the above
20.
What is found on the x axis of an H-R diagram?
a)
Luminosity
(or brightness)
b)
Temperature
c)
Star Size
d)
Distance
21.
Which of these shows an average star's life cycle in the correct order?
a)
protostar>
main sequence>
red giant >
white dwarf>black dwarfs
b)
protostar> 
main sequence> 
white dwarf> 
red giant
c)
main sequence> 
protostar> 
white dwarf> 
red giant
d)
protostar> 
red giant >
main sequence> 
white dwarf
22.
This is an image of the formation of a star, also known as a .... 
a)
Main Sequence
b)
Planetary System
c)
Supernova
d)
Stellar Nebula
23.
Which portion of the electromagnetic spectrum includes the range of light that can be detected by the human eye? 
a)
ultraviolet light
b)
visible light
c)
infrared light
d)
x-rays
24.
Which type of electromagnetic radiation has the shortest wavelength?
a)
Radio Waves
b)
Visible Light
c)
Microwaves
d)
Gamma Rays
25.
Which type of radiation has a frequency closest to 105?
a)
Radio
b)
Infrared
c)
Ultraviolet
d)
X-Ray
26.
Which type of electromagnetic radiation has a wavelength near 10-8?
a)
Microwave
b)
Infrared
c)
Visible
d)
Ultraviolet
27.
What wavelength of light can the human eye perceive? 
a)
103
b)
10-6
c)
10-10
d)
1013
28.
the higher the frequency 
a)
the shorter the wavelength
b)
the longer the wavelength 
c)
frequency has no effect of wavelength 
29.

When frequency increases, __________ increases.

a)

energy

b)

wavelength

c)

strength

d)

color

30.

Which star is considered a supergiant?

a)

Sirius B

b)

Sun

c)

Betelgeuse

d)

Van Maanan's Star

31.

Which star is considered a giant star?

a)

Mira

b)

Zeta Arindani

c)

Barnard's Star

d)

Betelgeuse

32.

Which star is brighter than the sun?

a)

Sirius B

b)

Procyon B

c)

Van Maanan's Star

d)

Aldebaran

33.

Most scientists believe the Big Bang Theory explains which of the following questions?

a)

How our planets and moons formed

b)

How our universe began

c)

How the sun turns hydrogen into helium

d)

How fast light travels through space

34.

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

35.

Why does the Sun appear to be the largest star if it is actually only a medium-sized star?

a)

It is farthest from Earth.

b)

The sun is not a star.

c)

It is closest to the Earth.

d)

It is not in the middle of the solar system.

36.
Gravity pulls gases and dust particles in space toward one another, squeezing them into a smaller and smaller space. The temperature at the center rises high enough for nuclear fusion of hydrogen to begin.
What stage in a stars life cycle is this describing? 
a)
The birth of a star
b)
The death of a star
c)
Black Hole
d)
Stellar Nebula
37.
A star at the stage in its life cycle when it stops burning hydrogen, begins burning helium, and expands to a large, low-density star.
What stage in the life cycle does this describe? 
a)
Supernova
b)
Black Hole
c)
Main Sequence
d)
Red Giant or Red Supergiant
38.
In the death of a large mass star gravitational collapse is so complete that no energy or matter can escape. This is called a... 
a)
Neutron Star
b)
Black Hole
c)
Black Dwarf
d)
Supernova
39.

The life cycles of stars are determined by their:

a)

mass (size)

b)

color

c)

distance from Earth

d)

how bright they are

40.

The force that pulls two objects toward each other and is affected by mass and distance. The greater the mass of an object, the greater the attraction; the farther apart the objects, the weaker the attraction is called:

a)

Force

b)

Gravitational force

c)

Gravity

d)

Planet

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