Their experiences introduce them to the following concepts, skills, and attitudes. Concepts A complete electric circuit is required for electricity to light a bulb. A complete circuit can be constructed in more than one way using the same materials. Different types of electric circuits show different characteristics. A switch can be used to complete or interrupt a circuit.
Electricity can produce light and heat.
A diode conducts electricity in one direction only. Skills Wiring simple electrical circuits. Predicting, observing, describing, and recording results of experiments with electricity. Drawing conclusions about circuits from the results of experiments. Building and using a simple circuit tester.