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5th 3 Week Test Review

Total questions: 37

Worksheet time: 26mins

Name
Class
Date
1.
A wave with a large wavelength will have a ______ frequency and _____ energy
a)
high, low
b)
high, high
c)
low, high
d)
low, low
2.
Which has the LONGEST wavelength and, therefore, the lowest frequency/energy
a)
Gamma Rays
b)
Radio Waves
c)
Visible Light
d)
Infrared rays
3.
Which has the SHORTEST wavelength and, therefore, the highest frequency/most energy
a)
Radio waves
b)
Ultraviolet Rays
c)
Gamma Rays
d)
X-rays
4.
How are electromagnetic waves different from other waves? 
a)
They have very short wavelengths 
b)
They transmit energy instead of matter 
c)
They can travel through empty space
d)
They can change direction by reflection 
5.

Which of these EM waves has the greatest penetrating ability due to its very short wavelength?

a)

Ultraviolet

b)

X-ray

c)

Gamma ray

d)

Microwave

6.

Our sun is what kind of star?

a)

Blue giant

b)

Red giant

c)

Main sequence

d)

White dwarf

7.

Compared to a red giant star, a blue supergiant is...

a)

Hotter and brighter

b)

Hotter and not as bright

c)

Colder and brighter

d)

Colder and not as bright

8.
In the diagram given, what happens as we move to the left?
a)
Stars Get Larger
b)
Stars get Colder
c)
Stars get hotter
9.
The HR Diagram shows a relationship of a star's surface temperature and its
a)
color
b)
size
c)
apparent magnitude
d)
absolute magnitude
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.
A star forming nebula is...
a)
birthplace of stars
b)
made up of gas and dust
c)
contracts due to gravity to begin forming a star
d)
All are correct
13.
A high mass star in main sequence turns into a Super Giant and...
a)
loses mass but expands.
b)
it may fuse heavier elements such as iron.
c)
10% of the star's lifetime
d)
all are correct
14.
A super giant explodes in a supernova...
a)
1. that lasts only a few seconds
b)
2. that lasts millions of years
c)
3. and hydrogen, helium and other fused elements are ejected
d)
1 and 3
15.
A supernova can also turn into a neutron star...
a)
when the star's core collapses and forms a dense mass of neutrons.
b)
where not even light can escape.
c)
and then it turns into a planet.
d)
and it does a little dance.
16.
A supernova can cause a black hole...
a)
which is so dense that nothing can escape it's gravity, not even light.
b)
which pushes matter away from it.
c)
where only light escapes.
d)
which is actually a bright star.
17.
A low mass main sequence star is...
a)
the size of our earth.
b)
150 times bigger than our sun.
c)
like our sun.
d)
so dense not even light can escape it.
18.
The core of a red giant collapses and the outer layers of hydrogen, helium and other elements are ejected into a cloud called...
a)
a black hole.
b)
a planetary nebula.
c)
a neutron star.
d)
a super giant.
19.

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

20.

What star phase happens when an average star expands its outer layers to increase in size and luminosity (brightness)?

a)

Neutron star

b)

White Dwarf star

c)

Red Giant star

d)

Black Hole

21.

Which category of stars are very hot, but not very bright?

a)

Blue Giants

b)

Red Giants

c)

White Dwarfs

d)

Red Supergiants

22.

Massive stars life cycles come to a close with an explosive Supernova phase which leads to which two outcomes?

a)

A black hole and a neutron star

b)

A black hole and a Red Supergiant

c)

A pulsar and a main sequence star

d)

A planetary nebula and a new planet

23.

The remnants of a Red Giant star after shedding its outer layers are the _______________ and ________________.

a)

Planetary Nebula and a White Dwarf

b)

Neutron Star and a Pulsar

c)

Neutron Star and a Black Hole

d)

Stellar Nebula and a Main sequence star

24.

A black hole is an area where even light cannot escape, what is the cause of this phenomenon?

a)

The size of a black hole

b)

The luminosity of a black hole

c)

The gravity of a black hole

d)

The depth of a black hole

25.
Galaxies are composed of (best answer)
a)
stars
b)
stars and gas
c)
stars, dust, and gas
d)
stars, dust, and gas held together by gravity
26.
The Milky Way Galaxy is a 
a)
spiral
b)
lenticular
c)
elliptical 
d)
irregular
27.
What type of galaxy is this?
a)
Spiral
b)
Elliptical
c)
Irregular
d)
Irrational
28.
What type of galaxy is this?
a)
Spiral
b)
Elliptical
c)
Irregular 
d)
Irrational
29.
Distance measurement used by astronomers for distant objects.
a)
Kilometers
b)
Light Years
c)
Miles
d)
Light Seconds
30.
What type of galaxy is this?
a)
Spiral
b)
Elliptical
c)
Irregular
d)
Irrational
31.
Place these objects in order from smallest to largest.
a)
Planets, solar system, universe, galaxy
b)
Solar system, planets, galaxy, universe
c)
Planets, solar system, galaxy, universe
d)
Galaxy, solar system, planets, universe
32.
The most abundant type of galaxy in the universe is an...
a)
Spiral Galaxy
b)
Elliptical Galaxy
c)
Irregular Galaxy
33.
What type of galaxy is this?
a)
Spiral
b)
Elliptical
c)
Irregular
d)
Irrational
34.
The type of galaxy that is the leftovers of two colliding galaxies is called the...
a)
Spiral Galaxy
b)
Elliptical Galaxy
c)
Irregular Galaxy
d)
Constellation Galaxy
35.
What type of galaxy has no defined pattern or shape?
a)
Spiral 
b)
Elliptical
c)
Irregular
d)
Constellation
36.

What holds a galaxy together?

a)

pressure

b)

glue

c)

gravity

d)

planets

37.

Where are we located within our galaxy?

a)

On one of the spiral arms

b)

On the outer edge

c)

In between 2 of the spiral arms

d)

In the center bulge

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