Audio version
Explain how a thermostat works and why is it an important invention for us to live comfortably? (pg. 230)
Explain the two types of heating systems that we discussed. NO GOOGLE answer, your own words. (pg. 230)
Describe how we use "Thermal Energy" to keep things cool. (pg. 232)

What is the purpose of "Insulation"? (pg. 233)
What does a "Thermogram" show? (pg. 234)
Complete the diagram showing the amount of heat loss in a house. (pg. 234)
What does R-Value mean in relation to insulation? (pg. 234)