Set 22A

The sun is approximately __ times the diameter of the Earth. 

The sun is about ___ miles from earth.

• 93 million

• 93 billion

• 83 thousand

• 83 million bazillion

About 93% of the energy leaving the sun is in the form ___

• light waves

• electromagnetic waves

• radio waves

• visible light

• mega-blast rays

Most of the rays from the sun are ___ to us.

• visible

• invisible

• 

Our eyes mostly detect __ light from the sun, but our brain combines these to make the sun appear yellow or orange.

• green

• red

• orange

• purple

• 

The sun is mostly composed of ​ (a)   .

It is thought that the ​ (b)   and pressure of the sun causes nuclear ​ (c)   to combine ​ (d)   into ​ (e)   .

• hydrogen
• heat
• fusion
• helium
• oxygen
• fision

Match the zones of the earth to their approximate temperatures.

• 2,000,000 F

• photosphere

• 27,000,000 F

• chromosphere

•  36,000 F

• core

• 10,000 F

• corona

If you weight 100 lbs on earth, how much would you weigh on the sun?

*only type the numbers

Answer explanation

Notice that you weigh 28x as much on the sun!

The sun’s ​ (a)   becomes a ​ (b)   , which is a flow of mostly ​ (c)   , electrons, and small ​ (d)  

• corona
• solar wind
• protons
• atomic nuclei.

If Earth did not have a ​ (a)   field, this ​ (b)   would be very ​ (c)   to life.

• magnetic
• solar wind
• harmful
• helpful
• polar