Students solve five problems to determine the total impedance of a series-parallel circuit. Immediate feedback is given.

In this interactive object, learners determine the Vp, Vp-p, Vrms, Vavg, and the frequency of a sine wave that is displayed on an oscilloscope screen.

In this animated and interactive object, learners study how a DC circuit, consisting of a diac, a capacitor, and two resistors, causes a light-emitting diode to turn on and off. A brief quiz completes the activity.

Learners read about the benefits of storing raw materials within 3 feet of the work area where they will be used.

Students answer five questions concerning magnetism.

Picture of Adira hydraulic shear's operator's panel with part identification and instructions on how to start and stop the shear as well as setting stroke (cutting length).

Learners read a description of the parts of an ironworker and identify them in an exercise.

The student is shown and then identifies the parts of a hydraulic shear.

Learners examine a photo of a Marvel Vertical Band Saw and then identify the parts in a drag and drop exercise.

The Periodic Table game helps you improve and learn knowledge based on the elements of the periodic table.

Review questions for your quiz

Use the given hints to name the metals

Answer questions about alkenes