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WorksheetsThe Sun
Total questions: 20
Worksheet time: 11mins
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.
____________are areas of gas on the sun that are cooler than the gas around them.
a)
Solar Wind
b)
Solar Flares
c)
Sunspots
d)
Core
3.
What is needed for fission to occur
a)
High density and low pressure
b)
High temperatures and low pressure
c)
High density and high temperature
4.
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
5.
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
6.
When we look at the sun, what layer are we viewing?
a)
photosphere
b)
chromosphere
c)
corona
d)
convection zone
7.
What layer can be seen here?
a)
chromosphere
b)
corona
c)
photosphere
d)
core
8.
What is the sun mostly made up of
a)
Helium
b)
Core
c)
Carbon
d)
Hydrogen
9.
a brief burst of energy from the sun’s photosphere
a)
corona
b)
solar flare
c)
solar wind
d)
photosphere
10.
Which layer of the sun is the hottest?
a)
Photosphere
b)
Chromosphere
c)
Corona
d)
Core
11.
The Sun core....
a)
The region of the sun where energy is produced.
b)
The region of the sun where solar flare happen.
c)
The sun spots are generated at core
d)
The carry particles of ligh
12.
The middle of the Sun is called the
a)
Corona
b)
Photosphere
c)
Core
d)
Convection Zone
13.
What is this
a)
Prominence
b)
Sunspot
c)
Core
d)
Solar Flare
14.
Where does nuclear fusion occur?
a)
Space
b)
Radiation Zone
c)
Photosphere
d)
The Core
15.
This layer contains currents of rising and sinking gas that carry energy to the surface.
a)
radiative zone
b)
corona
c)
chromosphere
d)
convective zone
16.
When hydrogen nuclei fuse into helium nuclei
a)
the nuclei die.
b)
energy is released.
c)
particles collide
d)
particles neutralize.
17.
Which of the following is NOT a solar ejection?
a)
solar flare
b)
prominence
c)
sunspot
d)
coronal mass ejection
18.
Sunspots vary in a cycle that lasts about
a)
110 yrs
b)
11,000 yrs
c)
11 yrs
d)
110,000 yrs
19.
How long does it take energy to pass through the radiation zone?
a)
12 minutes
b)
100 year
c)
10,000 years
d)
100,000 years
20.
What is the state of matter in the sun?
a)
Gas
b)
Liquid
c)
Plasma
d)
Solid
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