How Do You Make A Burglar Alarm For Kids?
Commercial burglar alarms consist of complex electronic components that must be serviced and repaired by professionals. However, you can demonstrate the principles behind these devices with a very simple type of burglar alarm. One form of this device consists of an electrical circuit with a buzzer that closes when a window is opened. You can complete this project with some common household items and a few special purchases. Step 1 Cut a length of wire that will reach from the battery holder to the buzzer and strip the insulation from the ends of the wire. Connect one end to the negative terminal in the battery holder and the other end to the negative buzzer terminal. Step 2 Strip the insulation from the ends of two more lengths of wire. Connect one length of wire from the positive terminal of the battery holder to a thumb tack. Connect the other length of wire from the positive buzzer terminal to another thumb tack. Step 3 Press each thumb tack through the arms of the clothes pin so th
