Data Sheet - How Does a Thermostat Work?

Diagram of Thermostat:

 

 

 

Observations after applying hot air:

 

 

 

Observations after applying cold air:

 

 

 

Observations after alternating temperatures:

 

 

 

 

Questions

1. Explain how a bimetallic coil reacts to a change in temperature.

 

2. Explain in your own words how a change in air temperature impacts the function of a thermostat.

 

3. Name an application of thermostats other than to regulate the temperature of your house.