In this screencast, learners examine why the piston of a hydraulic cylinder extends slower than it retracts. A brief quiz completes the activity.

In this interactive object, learners determine the pulse width, period, duty cycle, and frequency of a waveform.

Learners read how to use the arctangent function to calculate the theta of an angle. The proper keystrokes are displayed.

Learners study an animated block diagram that describes the function of each element in a closed-loop system used in industrial automation.

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

Students solve practice problems on voltage, current, and impedance matching. Examples precede the problems.

In this animated object, learners examine how the sensory, motor, mixed, and reflex nerves work in the human body.

Vocab from High Note 2, Unit 2, Section C

Digestive system

cardiovascular system

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