Electric Switches

Student Worksheet:
Identifying Switches in the Home

 Challenge
Describe the function of switches on the following household appliances.  Is there more than one switch on any of these items?

Portable Vacuum

	
Toaster
	
Hair Dryer

Coffee Maker

	
Electric Fan
	
Desk Lamp

      Electric Switches

Student Worksheet:

 You are the Engineer!

Instructions:
1.	You need to design a system that will turn a light on and off in the hallway of a new office building.
2.	Build a working circuit with just a battery and a bulb.
3.	Next, add a switch in such a way that the switch turns the bulb on and off.
4.	Draw and describe your circuits and switches in the space below using the schematic symbols shown on the Student Resource Sheet.
5.	Discuss your designs and experiences with the class.

Circuit Without Switch	Circuit With Switch	

		

 Describe what you did to make the bulb light up using the switch:

 What materials did you use to make your own switch?