Unit 3 Lesson 3 The Sun Lesson

How old is our sun?

What element makes up the majority of the sun?

Which is the layer closest to the core of the sun?

How is energy tranferred to the sun's surface?

Convection cells in the sun’s convective zone carry energy from the top of the radiative zone to the photosphere. In convection cells, hot gases rise to the photosphere, cool, and then sink back into the convective zone. What causes the transfer of energy in this process?

In stars that have similar core temperatures to our sun, the fusion starts with two ____________ atoms.

The sun rotates ________ at its equator than at the north and south poles of its axis.

Which solar activity appears as a very bright spot?

Which solar activity appears as a darker, cooler area?

Which solar activity appears as a loop of gas?