Worksheet 4.2

Name:__________________________________

Date:__________________________________

1.

How are the stars we see at night related to the Sun? How are they different?

 

 

 

2.

How big is the Sun relative to Earth? How far away is it?

 

 


3.

How do the density and temperature of the Sun vary from the center outward?

 

 


4.  

How does the Sun produce the energy it needs to stay hot?

 

 

 

5.  

Why does the Sun shine?

 

 

 

6.

What parts of the Sun are revealed by using invisible forms of light to observe it?

 

 


7.  

Can plasma move freely in the presence of a magnetic field? Why not?

 

 

 

8.  

What are sunspots?

 

 

 

9.

What happens to the Sun’s magnetic field with time, and how does that affect the number of sunspots and solar flares?

 

 


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