In this interactive lesson, students view the operation of a solenoid and read about its application. A brief assessment concludes the activity.

In this animated object, learners examine the operation of a summing operational amplifier through formulas, tables, and animated illustrations. A brief quiz completes the activity.

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

Learners read how the transfer function for a RC high pass filter is developed. The transfer function is used in Excel to graph the Vout. The circuit is also simulated in Electronic WorkBench and the resulting Bode plot is compared to the graph from Excel.

Learners view animations and video clips showing how power is transmitted from one energized coil to another.

Learners read descriptions of the actions of the superficial skeletal muscles and see their locations. A 61-question quiz completes the activity.

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).

Introduces two methods of determining bend allowance; one is simple and is an approximate, the other is more precise. Interactive part has learner calculate bend allowance and blank size.

The learner reads about safety considerations for operating a hydraulic metal shear. Text, graphics and a brief assessment are included.

Make the phrases

Answer the questions to show your knowledge of plot structure.

Find the action verbs to build a musical band.

Past Tense