In this animated lesson, the learner examines how a ladder circuit causes the cylinder of a hydraulic circuit to make a single extension and retraction.

Students review the Current Divider Rule (CDR) and work practice problems.

Learners examine the circuitry in a DC variable speed drive that prevents the motor from running at 0 rpm or at maximum speed under certain conditions.

In this animated object, learners examine the formulas used to convert peak, RMS, average, and peak-to-peak AC voltages. A brief quiz completes the activity.

In this interactive and animated object, learners examine the flow of electron current into and out of hot and neutral sockets during each alternation of an AC waveform. A brief quiz completes the activity.

In this learning activity you'll examine how routers transfer data between local area networks and the Internet.

Learners observe animations showing how data is converted between serial and parallel flow.

In this animated object, learners examine the properties of the hydrogen bond and how the bond changes when hair is shampooed or styled.

In this animated activity, students view how the Wheatstone bridge is used to activate a temperature alarm. A short quiz completes the lesson.

Get correct answers for a chance at the board. Can you get the highest score?

This is a game about thermal energy and heat transfer. Have fun!

Phase Change 306