Chapter 29 Stars Review 2023

The outermost layer of the sun is called the ___.

• ionosphere

• corona

• photosphere

• chromosphere

Tags

NGSS.MS-ESS1-1

Which part of the sun lies directly above the visible "surface" of the sun?

• photosphere

• chromosphere

• corona

• ionosphere

Tags

NGSS.MS-ESS1-1

The sun's surface is made up of mostly ___.

• helium
• ammonia
• hydrogen
• oxygen

Tags

NGSS.MS-PS1-1

What are the most explosive events that occur on the sun?

• umbras

• prominences

• solar flares

• solar winds

Sunspots appear dark because they are ___.

• relatively cool

• relatively hot

• deep holes

• solid areas

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

The product of nuclear fusion in the sun is ___.

• hydrogen

• oxygen

• helium

• nitrogen

Tags

NGSS.HS-ESS1-1

NGSS.HS-ESS1-3

The source of the sun's energy is ___.

• chemical burning
• nuclear fission
• nuclear fusion
• photosynthesis

Tags

NGSS.HS-ESS1-1

A HR diagram shows the relationship between

• absolute magnitude and apparent magnitude

• temperature and absolute magnitude (luminosity)

• parallax and temperature

• apparent magnitude and parallax

Tags

NGSS.HS-ESS1-3

About 90 percent of stars on the HR diagram are ___.

• supergiants
• main-sequence stars
• white dwarfs
• black holes

Another name for the interstellar matter that will eventually form a star is ___.

• supernova

• red giant

• black hole

• nebula

Tags

NGSS.HS-ESS1-3