Topic 4 DCA Review

What are the two most abundant elements in a main sequence star?

• carbon and hydrogen

• hydrogen and helium

• helium and carbon

• carbon and iron

Tags

NGSS.HS-ESS1-1

What factor from the choices below determines whether a star will evolve into a white dwarf, a neutron star, or a black hole?

• Mass

• Percentage of helium

• Percentage of carbon

• Apparent brightness

Which category is our Sun located in?

• White Dwarfs
• Supergiants
• Main Sequence
• Giants

Which color are the hottest stars?

• blue

• orange

• red

• yellow

Which characteristic is used to measure the amount of light radiated by a star?

• size

• color

• luminosity

• temperature

Tags

NGSS.HS-PS4-3

What is the initial stage of all stars?

• nebula

• black hole

• supernova

• white dwarf

Which factor causes gas and dust to pull together during the first stage of star formation?

• density

• gravity

• heat

• pressure

Which object is created during the formation of a star?

• a nebula

• a protostar

• a supergiant

• a supernova

Which object forms when a supergiant explodes?

• a red giant

• a black hole

• a white dwarf

• a neutron star

Galaxies are composed of (best answer)

• stars
• stars and gas
• stars, dust, and gas
• stars, dust, and gas held together by gravity