Life Cycle of Stars

What are all stars made of and how are they held together?

• Helium and oxygen, by magnetic fields

• Hydrogen and helium, by gravity

• Oxygen and hydrogen, by nuclear forces

• Carbon and hydrogen, by chemical bonds

Tags

NGSS.HS-ESS1-1

NGSS.HS-ESS1-3

When do stars release energy?

• When nuclear fission occurs in the core

• When nuclear fusion occurs in the core

• When chemical reactions occur in the core

• When gravitational collapse occurs in the core

Tags

NGSS.HS-ESS1-1

NGSS.HS-PS1-8

On what basis can stars be classified?

• Color, mass, temperature, and luminosity

• Size, shape, distance, and brightness

• Age, composition, orbit, and density

• Speed, direction, volume, and pressure

What are the characteristics of the largest and hottest stars?

• They are red

• They are blue

• They are yellow

• They are white

What are the characteristics of the smallest and coolest stars?

• They are blue

• They are white

• They are red

• They are yellow

What are large stars able to do before dying?

• They can fuse hydrogen into helium.

• They can fuse helium into larger, heavier elements.

• They can turn into planets.

• They can stop nuclear fusion completely.

Tags

NGSS.HS-ESS1-1

NGSS.HS-ESS1-3

At approximately how many billion years does the sun become a Red Giant?

• 5 billion years

• 7 billion years

• 10 billion years

• 12 billion years

Tags

NGSS.HS-ESS1-1

What eventually happens to a low to average mass star?

• It becomes a Neutron Star.

• It becomes a Black Hole.

• It becomes a White Dwarf.

• It remains the same.

Tags

NGSS.HS-ESS1-3

What is the final stage of a very large mass star?

• White Dwarf

• Blue Giant

• Black Hole

• Red Giant

Tags

NGSS.HS-ESS1-3

Which type of star eventually becomes a Neutron Star?

• Low to Average Mass Star

• Large Mass Star

• Very Large Mass Star

• All types of stars

Tags

NGSS.HS-ESS1-3