Young scholars experiment and discuss circuits and how they work. In this science lesson, students construct a telegraph machine using cardboard, wires, battery, electric tape and masking tape. They investigate what happens as the...

Pupils study harmonic motion and its oscillation.  In this simple harmonic motion lesson students demonstrate a series of regular oscillations and explain the theory behind the experiment. 

Students explore communications by participating in a science class activity. In this communication technology instructional activity, students discuss the process of morse code, its history, and the electromagnets used to create the...