The Sun Review

What takes place in the core of the sun?

• nuclear fusion

• nuclear fission

• nuclear bombing

• sun dancing

The corona sends out a stream electrical particles called the

• Solar flares

• Solar winds

• Sunspots

• Prominences

Cooler areas of plasma on the surface of the sun.

• Solar flares

• Sunspots

• Prominences

• CME's

A huge loop of plasma that connects sunspots.

• Solar flares

• Sunspots

• Prominences

• CME's

The sun converts matter into energy in the

• corona.
• radiative zone
• convection zone
• core

When hydrogen nuclei fuse into helium nuclei

• the nuclei die.
• energy is released.
• particles collide
• particles neutralize.

Sunspots vary in a cycle that lasts about

• 110 yrs
• 11,000 yrs
• 11 yrs
• 110,000 yrs

What is the hottest layer of the sun’s atmosphere called?

• convective zone
• corona
• radiative zone
• photosphere

What elements make up most of the sun’s mass?

• carbon and oxygen
• carbon and hydrogen
• helium and nitrogen
• hydrogen and helium

Magnetic fields on the sun are produced by the sun’s uneven rotation and

• the movement of sunspots on the sun’s surface.
• the movement of gases in the corona.
• gases in the convective zone.
• gases in the radiation zone.