ASSIGNMENT & ANSWERS
The Sun is mainly composed of which element?
A) Hydrogen ✔ B) Helium C) Carbon D) Nitrogen E) Oxygen ---
In the Sun, nuclear fusion reactions convert hydrogen into which element?
A) Argon B) Carbon C) Helium ✔ D) Oxygen E) Nitrogen ---
The energy produced in the Sun's core is generated through which nuclear reaction?
A) Alpha emission B) Decay
C) Fusion ✔ D) Beta emission E) Fission
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The Sun's surface temperature is approximately how many degrees Celsius?
A) 10,000 B) 15,000 C) 20,000 D) 1,500 E) 5,500 ✔ ---
Which layer of the Sun is visible during a solar eclipse?
A) Convective zone B) Chromosphere C) Photosphere ✔ D) Transition region E) Corona
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The term "solar wind" refers to stream of charged particles ejected by the Sun's:
A) Transition region B) Photosphere C) Chromosphere D) Convective zone E) Corona ✔
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The Sun's energy is generated primarily in the core, through a process called:
A) Radiative transfer B) Thermodynamic cycle C) Convection
D) Nuclear fusion ✔ E) Electron capture ---
The Sun rotates on its axis approximately once every:
A) 30 days B) 20 days C) 40 days ✔ D) 10 days E) 50 days ---
What is the approximate age of the Sun, in billion years?
A) 1 B) 7 C) 13 D) 4 E) 10 ✔ ---
The Sun will eventually exhaust its nuclear fuel and go through a stage called:
A) Red giant ✔ B) Black dwarf C) White dwarf D) Red supergiant E) Neutron star ---
