WorksheetsThe Sun
Total questions: 15
Worksheet time: 8mins
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 temperature inside the sun's core can reach about:
a)
15,000 degrees fahrenheit
b)
15,000,000 degrees fahrenheit
c)
15,000,000 degrees celsius
d)
15,000,000,000 degrees celsius
4.
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
5.
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
6.
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
7.
When we look at the sun, what layer are we viewing?
a)
photosphere
b)
chromosphere
c)
corona
d)
convection zone
8.
What layer gives the sun it's reddish color during a solar eclipse?
a)
convection zone
b)
corona
c)
chromosphere
d)
photosphere
9.
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
10.
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
11.
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
12.
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
13.
Huge loops of reddish gas that connect sunspots are called:
a)
prominences
b)
solar flares
c)
coronal loops
d)
solar wind
14.
When prominences erupt into space releasing gas and energy we call this:
a)
solar winds
b)
coronal outburst
c)
solar flares
d)
auroras
15.
The sun makes up about _________ percent of the solar system's total mass.
a)
98
b)
95
c)
99.8
d)
98.9
100 %
