Exercise 3.3: Uses of Insulation

Use your textbook or the internet to answer the following questions. 

1. Give an example of how insulation helps us keep our food hot. How does it work?

2. Give an example of how insulation helps us keep our food cold. How does it work?

3. Why is insulation necessary for homes in Canada?

4. What types of materials are used for insulation in Canadian homes?