In this animated and interactive object, learners calculate the area and centroid of a semicircle.

Students read an introduction to the electronic workbench and view a demonstration of how to open a file for circuit simulation.

In this screencast, learners examine the internal structure of an unloading valve. This learning object includes a video clip demonstrating the use of an unloading valve in a metal stamping application.

In this animated object, learners examine the hysteresis function of a sensor.

In this learning activity you'll explore how units in the metric system are related to each other and practice locating measurements on a metric line.

In this learning activity you'll practice converting from one metric unit to another.

Learners examine how the load resistance connected to the secondary coil of a transformer affects the primary current. A brief quiz completes the activity.

Learners read a description of how an oscilloscope is used to measure the frequency of a sine wave.

In this animated lesson, learners follow the steps required to read the phase shift difference in degrees between two AC waveforms.

a review game

Energy is simply defined as the ability to do work. Energy can be found in many things and can take different forms.

Guess stuff and win the game

Help the scientist to answer the correct energy type for each situation!