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WorksheetsThe Sun
Total questions: 20
Worksheet time: 20mins
Name
Class
Date
1.
What is the layer of the Sun where fusion happens?
a)
Core
b)
Radiation Zone
c)
Convection Zone
d)
Fusion Zone
2.
Fusion is a process where _______________.
a)
Hydrogen atoms collide, giving off energy
b)
Helium atoms break down, giving off energy
c)
Carbon-14 atoms break down into Carbon-12
d)
Hydrogen atoms split apart, giving off energy
3.
This arc of plasma being emitted by the Sun is known as a ____________.
a)
Prominence
b)
Solar Flare
c)
Coronal Mass Ejection
d)
Sun Spot
4.
These "cool" areas of increased magnetic activity on the surface of the Sun are known as _______.
a)
Prominences
b)
Coronal Mass Ejections
c)
Solar Flares
d)
Sun Spots
5.
What is one effect that solar flares and coronal mass ejections can have on the Earth (if they are very powerful)?
a)
They can disrupt satellite and radio communications
b)
They can take over human brains and create zombies
c)
They can cause the Hydrogen on Earth to undergo fusion
d)
They can cause the Helium on Earth to turn into Hydrogen
6.
When solar winds enter the Earth's atmosphere at the poles, what is created?
a)
auroras
b)
solar flares
c)
sunspots
d)
warmer temperatures
7.
What protects us from most of the Sun's damaging radiation (solar wind)?
a)
Earth's atmosphere
b)
Earth's magnetic field
c)
Earth's gravity
d)
Earth's ozone layer
8.
How do magnetic storms affect Earth?
a)
increase radio signals
b)
make it warmer on Earth
c)
interrupt TV and cell signals
d)
cause more thunderstorms
9.
What is the outer layer of the sun that looks like a white halo and can only be seen during a total solar eclipse.
a)
photosphere
b)
corona
c)
sunspot
d)
prominence
10.
Which layer of the sun's atmosphere gives off the visible light we can see?
a)
Corona
b)
Chromosphere
c)
Photosphere
d)
Convection zone
11.
Energy is created in the sun's core when two _____________ atoms join together to form a ______________ atom.
a)
helium, hydrogen
b)
carbon, hydrogen
c)
nitrogen, helium
d)
hydrogen, helium
12.
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
13.
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
14.
What layer gives the sun it's reddish color during a solar eclipse?
a)
convection zone
b)
corona
c)
chromosphere
d)
photosphere
15.
Huge loops of reddish gas that connect sunspots are called...
a)
prominences
b)
solar flares
c)
coronal loops
d)
solar wind
16.
When prominences erupt into space releasing charged particles and energy we call this ____________.
a)
solar winds
b)
a coronal outburst
c)
solar flares
d)
auroras
17.
The sun makes up about _________ percent of the solar system's total mass.
a)
90
b)
75
c)
99.8
d)
52
18.
In which area of the sun does material 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
19.
Which is the layer that surrounds the core and transfers energy in the form of electromagnetic waves?
a)
chromosphere
b)
radiative zone
c)
convective zone
d)
photosphere
20.
The sun is made up of about 75% _____.
a)
helium
b)
hydrogen
c)
nitrogen
d)
oxygen
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