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Honors-The Sun

Total questions: 50

Worksheet time: 23mins

Name
Class
Date
1.
The energy from the sun is created by a process called:
a)
nuclear fission
b)
nuclear fusion
c)
nuclear reaction
d)
nuclear core
2.
Energy is created in the core when two _____________ atoms join together to form a ______________ atom.
a)
helium, hydrogen
b)
carbon, hydrogen
c)
nitrogen, helium
d)
hydrogen, helium
3.
The middle layer of the sun's interior that contains very tightly packed gas is called the _____________.
a)
photosphere
b)
chromosphere
c)
radiation zone
d)
convection zone
4.
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
5.
When we look at the sun, what layer are we viewing?
a)
photosphere
b)
chromosphere
c)
corona
d)
convection zone
6.
What layer of the sun's atmosphere gives the sun its "white halo" during a solar eclipse?
a)
chromosphere
b)
photosphere
c)
corona
d)
atmosphere
7.
The particles of the corona extends into space for millions of kilometers and spreads into streams of electrically charged particles called:
a)
coronal discharge
b)
solar flares
c)
coronal ejection
d)
solar winds
8.
Areas of gas on the sun's surface that are cooler than gases around them are called:
a)
corona
b)
prominences
c)
sunspots
d)
solarspots
9.
The number of sunspots on the sun varies in a cycle that is about how long?
a)
6-8 years
b)
10-11 years
c)
12-15 years
d)
365 days
10.
Huge loops of reddish gas that connect sunspots are called:
a)
prominences
b)
solar flares
c)
coronal loops
d)
solar wind
11.
When prominences erupt into space releasing gas and energy we call this: 
a)
solar winds
b)
coronal outburst
c)
solar flares
d)
auroras
12.
The sun makes up about _________ percent of the solar system's total mass.
a)
98
b)
95
c)
99.8
d)
98.9
13.

Which of the following lists some of the layers of the Sun in order from the center of the Sun outward?

a)

convection zone, radiation zone

b)

radiation zone, convection zone

c)

chromosphere, photosphere

d)

corona, photosphere

14.

Which of the following lists some of the layers of the Sun in order from the center of the Sun outward?

a)

radiation zone, convection zone, chromosphere

b)

radiation zone, convection zone, core

c)

chromosphere, photosphere, corona

d)

corona, photosphere, chromosphere

15.

Which of the following lists some of the layers of the Sun in order from the center of the Sun outward?

a)

radiation zone, convection zone, chromosphere, core

b)

radiation zone, convection zone, core, photosphere

c)

core, radiation zone, convection zone, photosphere

d)

corona, photosphere, chromosphere, core

16.

What type of reaction occurs at the core of the Sun?

a)

Nuclear fusion

b)

Electrolysis

c)

Acid Base Reaction

d)

Combustion

17.

Which layer of the Sun is the most visible to an observer on Earth?

a)

chromosphere

b)

core

c)

photosphere

d)

corona

18.

The Sun is NOT a star.

a)

True

b)

False

19.

Which of the following correctly describes the rotation of the Sun?

a)

All parts of the Sun rotate together.

b)

The Sun rotates faster at its equator than at its pole.

c)

The Sun rotates slower at its equator than at its pole.

d)

The Sun does not rotate at all.

20.

Why does the Sun rotation vary with latitude?

a)

Because it is composed of solids.

b)

Because it is composed of liquids.

c)

Because it is composed of gases.

21.

What is the Sun?

a)

It is a hot ball of solids, liquids, and gases.

b)

It is a hot ball of solids.

c)

It is a hot ball of liquids.

d)

It is a hot ball of gases.

22.

What protects Earth from solar winds?

a)

The poles

b)

The moon's gravity

c)

The magnetic field and the atmosphere

d)

The tidal range

23.
What kind of waves that are mostly used in communication on Earth can be interrupted by solar flares?
a)
radio
b)
ultraviolet
c)
gamma
d)
infrared
24.
Where is the weakest area of the magnetic field around Earth?
a)
Equator
b)
Poles
25.
What causes aurora borealis or northern lights?
a)
The Corona
b)
Prominences
c)
Sunspots
d)
Solar Flares
26.
These are monitored to determine the rotation rate of the sun
a)
Solar flares
b)
Prominences
c)
Corona
d)
Sunspots
27.
Nitrogen in our atmosphere creates what color when bombarded with charged particles from solar flares?
a)
Reds
b)
Blues
c)
Yellows
d)
Purple
28.
This is the only layer seen during a total solar eclipse? 
a)
Corona
b)
Photosphere
c)
Core
29.
This layer is blocked during a total solar eclipse? 
a)
Photosphere
b)
Corona
c)
Core
30.
The middle of the Sun is called the
a)
Corona
b)
Photosphere
c)
Core
d)
Convection Zone
31.
What is the sun mostly made up of
a)
Helium
b)
Core
c)
Carbon
d)
Hydrogen
32.
What features can you see on the sun
a)
sunspots & prominences
b)
The core
c)
The moon 
d)
Earth
33.
What is this
a)
Prominice
b)
sun spot
c)
core
d)
Earth
34.
What happens during nuclear fusion
a)
Hydrogen reacts with Oxygen to create fire.
b)
Hydrogen atoms are forced together to create Helium
c)
Uranium and Plutonium split apart and release radiation.
d)
Helium atoms break down to make hydrogen
35.
Where does nuclear fusion occur?
a)
Space
b)
Radiation Zone
c)
Photosphere
d)
The Core
36.
Why are sunspots darker than the surrounding areas?
a)
The hotter gas releases less light
b)
The Cooler gas releases less light
c)
They look that way because the light form the sun 
d)
They are created by shadows from the moon.
37.
Can only be seen during a solar eclipse; outer layer; looks like a white halo
a)
corona
b)
photosphere
c)
core
d)
fusion
38.
These can disrupt electronics on Earth.
a)
Sunspots
b)
Solar flares
c)
Comets
d)
Mars
39.
These are the pretty lights that occur at the north and south poles.
a)
Photosphere
b)
Aurora
c)
Magnetic field
d)
Solar wind
40.
Without the Earth's magnetic field
a)
We would not have seasons
b)
Ailens would invade
c)
Plants would grow bigger
d)
We would all die a horrible death
41.
Why can we not see the corona when we look at the sun?
a)
It is invisible 
b)
It is in the center of the sun
c)
The photosphere is to bright.
d)
There is nothing to see.
42.
Which layer of the sun is the hottest?
a)
Photosphere
b)
Chromosphere
c)
Corona
d)
Core
43.
How does the sun keep all of the planets in orbit?
a)
The pull of its gravity
b)
the flames give it power
c)
the sun spots
d)
The solar flares guide them
44.
The Sun spins on its axis
a)
TRUE
b)
FALSE
45.
The SUN is an average sized star. 
a)
True
b)
False
46.
It takes the equator of the sun ___________ days to spin and near the poles it takes ____________ days to spin. 
a)
25, 35
b)
16, 18
c)
24, 36
d)
100, 200
47.
What happens in the convective zone of the sun?
a)
convection
b)
conduction
c)
evaporation
d)
precipitation
48.
The Sun is a giant sized star.
a)
TRUE
b)
FALSE
c)
Maybe
d)
Scientists do not know
49.

The Sun is a

a)

Yellow Super Giant

b)

Yellow Dwarf

c)

White Dwarf

d)

Yellow Giant

50.
Which of the following is NOT a solar ejection?
a)
solar flare
b)
prominence
c)
sunspot
d)
coronal mass ejection

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