Life Cycle of Stars Quiz

What is the initial stage in the life cycle of a star?

• Main sequence

• Red giant

• White dwarf

• Nebula

What process leads to the formation of a protostar?

• Chemical reaction

• Magnetic attraction

• Gravitational collapse

• Nuclear fusion

During the main sequence stage, what keeps a star stable?

• Magnetic fields

• External gravitational forces

• Outward pressure from nuclear fusion

• Chemical reactions

What happens when a star exhausts its hydrogen supply?

• It becomes a black hole

• It expands into a red giant

• It explodes as a supernova

• It forms a neutron star

What is the fate of a star similar in size to our sun after the red giant phase?

• It becomes a super red giant

• It becomes a white dwarf

• It becomes a black hole

• It becomes a neutron star

What is the theoretical final stage of a sun-sized star?

• Supernova

• Neutron star

• Black dwarf

• Red giant

What event marks the fifth stage for massive stars?

• Explosion as a supernova

• Formation of a white dwarf

• Becoming a red giant

• Cooling into a black dwarf

What elements are formed during a supernova explosion?

• Hydrogen and helium

• Iron and nickel

• Silver and gold

• Carbon and oxygen

What is a neutron star primarily composed of?

• Electrons

• Neutrons

• Atoms

• Protons

What is a characteristic of a black hole?

• It has a weak gravitational pull

• Light cannot escape from it

• It emits light

• It is less dense than a neutron star