REVIEW QUESTIONS 37 



5. What are some of the advantages of sunlight? 



6. What are the two kinds of reflection, and what 

 is the chief difference between them? 



7. If you move a mirror 10, how much will a re- 

 flected beam of sunlight move? 



8. What are some of the sources of light? 



9. Why does most light give heat? 

 10. Give examples of cold light 



