#1
Which layer of the Sun's atmosphere is typically visible during a solar eclipse?
Photosphere
Chromosphere
Corona
Convective zone
#2
What is the primary source of the Sun's energy?
Nuclear fusion
Nuclear fission
Chemical reactions
Gravitational collapse
#3
What is the solar wind?
A stream of solar material ejected from the Sun
A burst of energy emitted by the Sun during a solar flare
A phenomenon where the Sun's corona briefly becomes visible
A gravitational force exerted by the Sun on surrounding objects
#4
What is the primary component of the Sun's core?
Hydrogen
Helium
Oxygen
Carbon
#5
What is the approximate diameter of the Sun?
1 million kilometers
2 million kilometers
3 million kilometers
4 million kilometers
#6
Which of the following is NOT a feature commonly observed on the Sun's surface?
Sunspots
Solar flares
Solar wind
Granules
#7
Which phenomenon on the Sun is responsible for producing sunspots?
Solar flares
Coronal mass ejections
Solar wind
Magnetic activity
#8
What is the approximate surface temperature of the Sun's photosphere?
2,000 Kelvin
5,500 Kelvin
10,000 Kelvin
20,000 Kelvin
#9
What is the solar cycle?
The cycle of day and night on Earth caused by the Sun's rotation
The periodic variation in solar activity that occurs approximately every 11 years
The process of converting solar energy into electricity
The cycle of solar eclipses
#10
Which solar phenomenon occurs when the Sun's magnetic field loops up into the corona and releases solar plasma?
Coronal mass ejection
Solar flare
Sunspot
Solar prominence
#11
What is the primary method scientists use to study the Sun's interior?
Direct observation using telescopes
Sending spacecraft into the Sun
Measuring seismic waves on the Sun's surface
Analyzing solar wind composition
#12
Which layer of the Sun's atmosphere is known for its reddish hue when seen during a solar eclipse?
Photosphere
Chromosphere
Transition region
Corona
#13
Which layer of the Sun's atmosphere is characterized by its extremely high temperature and low density?
Photosphere
Chromosphere
Transition region
Corona
#14
What are coronal loops?
Intense magnetic storms on the Sun's surface
Gigantic explosions releasing vast amounts of energy
Large-scale magnetic structures arching through the Sun's corona
Violent eruptions of plasma from the Sun's surface
#15
What is the process responsible for generating the Sun's magnetic field?
Convection
Nuclear fusion
Solar flares
Dynamo effect
#16
Approximately how long does it take for energy generated in the Sun's core to reach the surface?
A few hours
A few days
A few weeks
A few months
#17
What is the phenomenon called when the Sun's magnetic field lines are twisted and tangled?
Solar cycle
Coronal mass ejection
Solar flare
Solar magnetic activity