In this animated object, learners study how the internal parts of an AC synchronous motor interact with magnetic fields to cause rotation. A short quiz completes the activity.
By Barbara Anderegg
In this learning activity you'll explore the history behind gage blocks.
Ladder Circuit Labeling
By Terry Bartelt
Learners examine the labeling scheme used in ladder logic diagrams to identify components, wires, rungs, and rails. This activity includes self-check questions.
Making the Workplace Talk to You: Using Visual Controls
By Kaye Krueger
Learners examine how visual controls help to manage the workplace. Photos of visual controls are provided.
Parallel RC Circuit Practice Problems
By James Bourassa, John Rosz
In this interactive object, students calculate capacitive reactance, impedance, current, and power in parallel RC circuits.
The Vertical Portion of the Sine Wave
In this animated lesson, learners examine sine waves and alternating current. A brief quiz completes the object.
The Horizontal Portion of the Sine Wave
In this animated object, learners examine cycles, frequency, Hertz, wavelengths, and periods. A brief quiz completes the activity.
AC Voltage Conversion Problems
By John Rosz, Terry Bartelt
Learners work problems to make conversions between RMS, average, peak, and peak-to-peak AC voltages.
AC Voltage Conversions
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.
AC Current Flow
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.
Atoms Lab Review
Review of atoms, molecules, and battery lab 1
Identify these 25 neurological terms in a marathon game of Hangmoon!
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Give your new group a name.