Exploring the Features of Our Sun

What is the primary process that powers the Sun?

• Nuclear fission

• Nuclear fusion

• Chemical combustion

• Radioactive decay

Which layer of the Sun is visible during a total solar eclipse?

• Photosphere

• Chromosphere

• Corona

• Core

What are sunspots?

• Bright spots on the Sun's surface

• Dark, cooler areas on the Sun's surface

• Explosive eruptions on the Sun's surface

• Regions of intense heat on the Sun's surface

Which of the following best describes the structure of the Sun?

• Solid, liquid, gas

• Core, radiative zone, convective zone, photosphere, chromosphere, corona

• Crust, mantle, core

• Inner core, outer core, mantle, crust

What is the approximate temperature of the Sun's core?

• 5,500 K

• 15 million K

• 1 million K

• 10,000 K

Which surface event on the Sun is characterized by sudden, intense bursts of radiation?

• Solar flares

• Sunspots

• Prominences

• Coronal loops

What is the primary element that undergoes fusion in the Sun's core?

• Helium

• Carbon

• Hydrogen

• Oxygen

Which part of the Sun is responsible for its magnetic field?

• Photosphere

• Convective zone

• Core

• Corona

What is the term for the stream of charged particles released from the Sun's corona?

• Solar wind

• Solar flare

• Sunspot

• Solar prominence

Which of the following is NOT a feature of the Sun's surface?

• Sunspots

• Solar flares

• Aurora borealis

• Prominences