Quiz

1. Why does the Sun shine? 
2. What is the Sun's structure? 
3. How does nuclear fusion occur in the Sun? 
4. How does the energy from fusion get out of the Sun? 
5. What is nuclear fission? 
6. Are neutrinos formed in nuclear fusion? 
7. Are photons created in nuclear fusion? 
8. Does the Sun have the same temperature throughout? 
9. Which element is created in the Sun? 
10. What fraction of mass is converted into energy in the Sun's core?