Stars 101-National Geographic

What is the process that generates a star's heat and energy?

• Nuclear fission

• Thermonuclear fusion

• Radioactive decay

• Chemical reaction

Tags

NGSS.HS-ESS1-1

NGSS.HS-PS1-8

How are stars categorized based on surface temperature?

• By luminosity classes

• By spectral classes

• By size

• By brightness

What is the final stage of less massive stars like our sun?

• Supernova

• Neutron star

• White dwarf surrounded by a planetary nebula

• Black hole

What is the classification for the hottest stars?

• M

• N

• P

• O

What is the result of the collapse of the most massive stars?

• Black hole

• White dwarf

• Neutron star

• Supernova

What is the primary element that stars are born from?

• Hydrogen

• Carbon

• Oxygen

• Nitrogen

Tags

NGSS.HS-ESS1-1

NGSS.HS-ESS1-3

What is the process by which stars begin life as protostars?

• Collection of dust and gas

• Nuclear fusion

• Supernova explosion

• Thermonuclear reaction

What is the final stage of more massive stars?

• White dwarf surrounded by a planetary nebula

• Supernova

• Black hole

• Neutron star

What is the result of the death of less massive stars like our sun?

• Black hole

• Supernova

• White dwarf surrounded by a planetary nebula

• Neutron star

Tags

NGSS.HS-ESS1-1

What is the primary element cast into the universe from the remnants of stars?

• Star dust

• Gold

• Helium

• Iron

Tags

NGSS.HS-ESS1-1

NGSS.HS-ESS1-3