22 DIRECTIONS TO THE STUDENT 



PROBLEM QUESTIONS 



1. Why should we write laboratory work in ink but make our 

 drawings in pencil? 



2. Why should our records be written instead of oral? 



3. What are the four steps of an experiment? 



4. How might an experiment be of use in everyday life ? 



5. Why did Huxley call science " organized common sense "? 



