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Chapter 29 and 30

Total questions: 42

Worksheet time: 42mins

Name
Class
Date
1.

The Hertzsprung-Russell diagram graphs stars' luminosity and ....

a)

color

b)

size

c)

temperature

d)

distance

2.

The Sun is a ___________ star.

a)

red giant

b)

main sequence

c)

protostar

d)

white dwarf

3.

Aldebaran is a ____________

a)

red giant

b)

white dwarf

c)

main sequence star

d)

supergiant

4.

Compared to the Sun, Spica is .......

a)

hotter and brighter

b)

cooler and brighter

c)

hotter and dimmer

d)

cooler and dimmer

5.

A star with a temperature of 10,000 K and a luminosity of 5000 times greater than the Sun would be a ____________.

a)

supergiant

b)

red giant

c)

white dwarf

d)

main sequence star

6.

A star's temperature determines its ________.

a)

size

b)

color

c)

name

d)

health

7.

White Dwarfs are ________ than the Sun.

a)

cooler

b)

dimmer

c)

brighter

d)

larger

8.
As a whole, Giants are considered hotter than White Dwarfs.
a)
True
b)
False
9.
In the diagram given, what happens as we move to the left?
a)
Stars Get Larger
b)
Stars get Colder
c)
Stars get hotter
10.

Where on the HR Diagram are the Red Giants and Super-giants located?

a)

Top Left

b)

Top Right

c)

Bottom Left

d)

Bottom Right

11.

Which star is hotter than Deneb

a)

Procyon

b)

Sun

c)

Regel

d)

Banard's Star

12.

Which star is considered a giant star?

a)

Mira

b)

Zeta Arindani

c)

Barnard's Star

d)

Betelgeuse

13.

Which star is considered a supergiant?

a)

Sirius B

b)

Sun

c)

Betelgeuse

d)

Van Maanan's Star

14.

Using the HR diagram, choose the color of Zeta Eridani

a)

blue

b)

white

c)

yellow

d)

red

15.

The energy from the sun is created by a process called:

a)

nuclear fission

b)

nuclear fusion

c)

nuclear reaction

d)

nuclear core

16.
a brief burst of energy from the sun’s photosphere
a)
corona
b)
solar flare
c)
solar wind
d)
photosphere
17.
a dark spot on the photosphere of the sun
a)
corona
b)
solar flare
c)
sunspot
d)
magnitude
18.
Identify part 1.
a)
corona
b)
photosphere
c)
core
d)
radiation zone
19.
Identify part 4.
a)
photosphere
b)
convection zone
c)
core
d)
radiation zone
20.
Identify part 7.
a)
sunspot
b)
solar flare
c)
corona
d)
radiation zone
21.
Identify part 9.
a)
sunspot
b)
solar flare
c)
granules
d)
prominence
22.

What are the inner layers of the Sun?

a)

Core, Radiative zone, and Convection zone.

b)

Crust, mantle, and core.

c)

Core, Photosphere, and Radiative Zone.

d)

The Sun doesn't have inner layers.

23.

What are the outer layers of the Sun?

a)

The Sun has only inner layers.

b)

Photosphere, Chromosphere, and Corona.

c)

Core, Radiative zone, and Convection zone.

d)

Crest, Corona, Mantle.

24.

Nuclear Fusion is when ________ atoms are squeezed together forming _________ atoms.

a)

Hydrogen / Helium

b)

Nitrogen / Hydrogen

c)

Oxygen / Neon

d)

Helium / Oxygen

25.

The second gaseous layer of the Sun's atmosphere; has a reddish color

a)

Chromosphere

b)

Radiation Zone

c)

Photosphere

d)

Convection Zone

26.
Particles thrown off the sun’s corona that can affect Earth’s magnetic field are called
a)
a coronal mass ejection.
b)
a coronal mass reflection
c)
nuclear fusion
d)
sunspots
27.
In which area of the sun does gas rise as it heats up, then fall back down as it cools?
a)
the core
b)
the radiation zone
c)
the convection zone
d)
the corona
28.

What part of the transverse wave is letter A?

a)

trough

b)

crest

c)

wavelength

d)

amplitude

29.

What part of the transverse wave is letter B?

a)

wavelength

b)

amplitude

c)

crest

d)

trough

30.

What part of the transverse wave is letter D?

a)

trough

b)

wavelength

c)

crest

d)

amplitude

31.

Which color of visible light has the highest frequency?

a)

green

b)

blue

c)

red

d)

yellow

32.

Which color of visible light has the longest wavelength?

a)

red

b)

orange

c)

yellow

d)

green

33.

The portion of the electromagnetic spectrum that humans can see is called:

a)

radio waves

b)

visible light

c)

gamma rays

d)

x-rays

34.

When wavelength increases...

a)

energy decreases

b)

energy increases

35.

A light particle is called a(n):

a)

electromagnetic wave

b)

photon

c)

electron

d)

atom

36.

When an iron core is reached gravity takes over and a(n) _________ occurs.

a)

black hole

b)

neutron star

c)

explosion

d)

supernova

37.
What is the name of the gas/dust clouds where all stars form?
a)
Nebulas
b)
Protostars 
c)
Supernova
d)
Neutron Star
38.
The life cycles of stars are determined by their:
a)
mass (size)
b)
color
c)
distance from Earth
d)
luminosity
39.
Most stars are made of which gases?
a)
Hydrogen only
b)
Hydrogen and Lithium
c)
Hydrogen and Sodium
d)
Hydrogen and Helium
40.
Scientists use spectra from stars to determine...
a)
the temperature of a star.
b)
the composition of a star.
c)
the star's distance from Earth.
d)
the star's movement.
41.
The splitting of a nucleus into smaller nuclei is
a)
fusion
b)
fission
c)
half-life
d)
gamma radiation
42.
This is an example of...
a)
Fission  reaction
b)
Fusion reaction
c)
Decomposition reaction
d)
Decay

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