Stars

What happens in the core of a star?

• hydrogen atoms are created

• nuclear fusion

• nuclear fission

• a black hole forms

Tags

NGSS.HS-ESS1-1

NGSS.HS-ESS1-3

NGSS.HS-PS1-8

What color of star is the hottest?

• Blue
• Red
• Yellow
• White

Before stars were stars, what were they?

• Interstellar nebulae

• Black Holes

• Planetary nebulae

• White Dwarfs

More massive stars generally have shorter life cycles than less massive stars because massive stars...

• are older

• Use fuel much faster than less massive stars

• have a stronger gravitational pull

• Use fuel much slower than less massive stars

Tags

NGSS.HS-ESS1-1

What is a characteristic of the White Dwarf?

• extremely hot and very bright

• not as hot and very bright

• extremely hot and not as bright

• not as hot and not as bright

Supergiants are always hotter than main sequence stars.

• true

• false

Which of these is true?

• the largest stars are also the hottest stars

• the largest stars are also the brightest stars

• the smallest stars are also the dimmest stars

• the smallest stars are also the coolest stars

Tags

NGSS.HS-ESS1-3

When our Sun starts to collapse (runs out of hydrogen), the fusion rates will increase and cause it to become a ____

• red giant

• supergiant

• white dwarf

• black hole

• main sequence star

Tags

NGSS.HS-ESS1-1

Stars and galaxies did not form until about 4.6 bya.

• True

• False

_ nebulas form after a star collapses.

• stellar

• planetary

Tags

NGSS.HS-ESS1-3