PS 26.1 Formative

The source of the sun's energy is

• electromagnetic radiation

• nuclear fusion

• nuclear fission

• gravity

Tags

NGSS.HS-ESS1-1

The sun remains ​ (a)   because the inward pull of ​ (b)   balances the outward push of thermal ​ (c)   from nuclear ​ (d)   .

• stable
• unstable
• gravity
• friction
• convection
• pressure
• fission
• fusion

Tags

NGSS.HS-ESS1-1

Match the following

a

b

c

core

radiation zone

convection zone

The innermost layer of the sun's atmosphere, which is the visible surface of the sun.

• photosphere

• chromosphere

• corona

• core

Tags

NGSS.MS-ESS1-1

Middle layer of the sun's atmosphere. Visible only during a solar eclipse.

• photosphere

• chromosphere

• corona

• convection zone

The outermost layer of the sun's atmosphere, only visible during a solar eclipse. Gradually thins into the solar wind.

• photosphere

• chromosphere

• corona

• radiation zone

Tags

NGSS.MS-ESS1-1

A stream of electrically charged particles that flows outward from the sun through the solar system.

• solar wind

• chromosphere

• solar flare

• sunspot

Tags

NGSS.HS-PS2-5

Areas of gas in the photosphere that are cooler than the surrounding gases. Although they are large, they appear as small, dark-looking regions on the sun's surface.

• sunspots

• solar flares

• solar wind

• prominences

Huge loops of gas that erupt from sunspot regions, extending upwards as far as the corona.

• sunspots

• solar flares

• solar wind

• solar prominences

A sudden release of energy from the sun that erupts near sunspots.

• sunspots

• solar flares

• solar wind

• solar prominences