The Sun and Other Stars

Stars shine because _________.

• fusion takes place in their cores.

• their coronas reflect the most visible light.

• they spend most of their time on the main sequence.

Tags

NGSS.HS-ESS1-1

shell of hydrogen above the core

• convection zone

• radiative zone

• corona zone

apparent surface of a star

• photosphere

• corona

• chromosphere

orange-red layer above the photosphere

• photosphere

• corona

• chromosphere

outermost layer of a star’s atmosphere

• photosphere

• corona

• chromosphere

area where hot gases move up and cold gases move down

• convection zone

• radiative zone

• corona zone

Tags

NGSS.MS-PS3-4

What phenomenon of the sun is caused by strong magnetic activity?

• flares

• sunspots

• aurora

Tags

NGSS.MS-PS2-3

What is the defining force that holds a sun together?

• mass

• volume

• gravity

Tags

NGSS.MS-ESS1-2

NGSS.MS-PS2-4

From the figure of the sun's layers, determine which layer contains sunspots.

• photosphere

• corona

• radiative layer

What is the shell of cool hydrogen in a star called?

• convective zone

• radiative zone

• corona