Learners view animations showing how to change the connections to cause a DC motor to reverse its rotation. A short quiz completes the activity.
Automotive Air Conditioning: The Relationship Between Pressure and Temperature
By Ken Kempfer
In this animated object, learners examine the relationship between pressure and temperature in an air conditioning system.
Point of Use Storage
By Kaye Krueger
Learners read about the benefits of storing raw materials within 3 feet of the work area where they will be used.
PLC Timer Instructions
By Terry Bartelt
Learners examine the animated Timer-On Delay instruction and the Timer-Off Delay instruction of a PLC timer. A brief quiz completes the activity.
A Timer-On Application
In this interactive object, learners view a practical application of a PLC Timer-On function.
Oscilloscope: DC Voltage Measurements
Learners follow step-by-step instructions for using an oscilloscope to measure DC voltages.
Students view a graphical explanation of how the motor condition (unloaded, 50 percent loaded, fully loaded) affects the phase between voltage and current, the current draw from the AC supply, the amount of power consumed, and the power factor.
Series RC Circuit Practice Problems
By James Bourassa, John Rosz
In this interactive object, students calculate capacitive reactance, phase angle, impedance, and power in series RC circuits.
The 12 Cranial Nerves
By Barbara Liang
In this interactive and animated object, learners read a description of the number, name, and function of the cranial nerves. A matching quiz completes the activity.
The Two-Neuron Knee-Jerk Reflex Arc
In this interactive object, learners examine the neuron pathway into and out of the spinal cord. They complete the activity by testing their knowledge of vocabulary and the location of spinal cord structures.
Identify these 25 neurological terms in a marathon game of Hangmoon!
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