Lifecycle of Stars

Multiple Choice

What the the birthplace of stars?

• Asteroids
• Nebulae
• Comets
• Black holes

Multiple Choice

Stars form from

• Magnetic repulsion of cosmic dust
• Nuclear fusion of solid matter
• Dust and gas clouds pulled into a ball by gravity

• Chemical reactions in interstellar space

Multiple Choice

Stars are hot and give off light because of

• gravitational pull
• reflection of sunlight
• burning gases
• nuclear fusion reactions

Multiple Choice

What is the fate of an average star like our sun?

• It will expand into a red giant, form a planetary nebula, and the core will form a white dwarf.

• It will explode into a supernova.
• It will remain unchanged forever.
• It will turn into a black hole.

Massive Stars have a different fate!

​Stars that are more than 10 solar masses will burn faster and brighter. They will also burn hotter . . . . Until their fuel is used up!

Multiple Choice

What kind of stars go Supernova?

• Massive stars
• Red giants
• White dwarfs
• Dwarf stars

Multiple Choice

With stars that are only 10 Solar Masses, what is the result of a Super Nova?

• Black Dwarf formation

• White dwarf formation
• Black hole formation
• Neutron Star Formation

Multiple Choice

If a star is over 30 Solar Masses, then instead of forming a Neutron Star, it will form a

• White Dwarf
• Red Giant
• Supernova
• Black Hole

Multiple Choice

What is a huge system of gas, dust and stars held together by gravity?

• Asteroid
• Nebula
• Galaxy
• Comet