Stages in the Life Cycle of a Star

What is the first stage in the life cycle of a star as shown in the image?

• Red Giant

• White Dwarf

• Stellar Nebula

• Planetary Nebula

Tags

NGSS.HS-ESS1-3

According to the image, what fuels a Main-Sequence Star?

• Helium

• Oxygen

• Carbon

• Hydrogen

Tags

NGSS.HS-ESS1-1

NGSS.HS-PS1-8

What is the stage after the Main-Sequence Star in the stellar evolution process?

• White Dwarf

• Stellar Nebula

• Red Giant

• Protostar

What is a Black Dwarf in the context of stellar evolution?

• A) A newly formed star

• B) A star that is still in the main sequence

• C) A theoretical final stage of a star's life cycle

• D) A type of neutron star

Why is the existence of a Black Dwarf considered theoretical?

• A) Because they transform into black holes

• B) Because our universe is not old enough yet

• C) Because they are invisible

• D) Because they have been disproven

What characteristic marks the transition of a star into a Black Dwarf?

• A) It begins to emit more radiation

• B) It expands into a red giant

• C) It ceases to give off radiation

• D) It explodes in a supernova

What is the energy production process in an average mass star?

• Digesting black holes to gain more energy

• Proton cycle and/or carbon cycle

• Exclusively helium burning

• Absorbing light from the atmospheres of other nearby stars

What do both average mass and high mass stars use as fuel?

• A) Helium

• B) Hydrogen

• C) Carbon

• D) Oxygen

Tags

NGSS.HS-ESS1-1

Which type of star converts hydrogen into helium faster and uses up fuel more quickly?

• A) Low mass stars

• B) Average mass stars

• C) High mass stars

• D) All stars at the same rate

Compared to high mass stars, how do low mass stars' lifecycles differ?

• A) Shorter and faster

• B) Longer and slower

• C) The same as high mass stars

• D) Non-existent