FOODS 303 



of our foods is water. As we know, water evaporates. 

 This enables us to determine the quantity of water 

 present in a food by heating it until dry. The loss in 

 weight represents the amount of water present. 



Questions 



1. Name the principal elements found in the body, 



2. What is a food? 



3. State two reasons why we need food. 



4. What are the five foodstuffs? 



5. Name the elements found in each foodstuff. 



6. What is the test for each foodstuff? 



7. How do fats differ from carbohydrates? 



