Quiz on Sun and Stars

What are the main properties of the sun?

• Low temperature and energy output

• Low temperature and low energy output

• High temperature and energy output

• High temperature and low energy output

What are the characteristics that define a star?

• A star is a luminous sphere of plasma held together by its own gravity.

• A star is made of solid rock and metal

• A star is a small, dim object in the sky

• A star is a source of water and life

Which of the following best accounts for the composition of a star?

• 90% Hydrogen; 10% Helium

• 10% Helium; 90% Hydrogen

• 80% Hydrogen; 15% Helium; 5% Iron

• 80% Helium; 15% Hydrogen; 5% Iron

Which of the following does not determine the brightness of a star?

• Size

• Age of the Star

• Temperature

• Distance from Earth

What do you call the process by which atoms are fused in the sun in order to generate energy?

How does nuclear fusion in stars produce energy?

• By combining hydrogen atoms to form helium and releasing energy

• By absorbing energy from other stars

• By converting carbon atoms into oxygen and releasing energy

• By breaking down helium atoms and releasing energy

Which of the following is the hottest star?

• 
• 
• 
• 

What is the final stage of a star's life cycle?

• Red giant

• Neutron star, white dwarf, or black hole

• Planetary Nebula

• Main sequence

Which of the following is TRUE regarding all stars?

• All stars eventually turn into a red giant.

• All stars end up as a white dwarf.

• All stars release energy in a form of a supernova.

• All stars end up creating a black hole.

Which of the following ends up as a neutron stars and or a black hole?

• Massive Stars

• Average Stars

• Stellar Nebulla

• White Dwarfs