The approach to dc circuit analysis is presented to the learner. The approach is demonstrated for the student.

Learners examine how a radiation pyrometer converts the frequency of electromagnetic waves to a temperature reading.

In this interactive object, learners calculate a centroid of a composite area by first creating a chart. A short quiz completes the activity.

Students read an introduction to the transconductance amplifier. They also view formulas for voltage-to-current conversion, closed-loop input, and output impedance. An example of how R1 controls the conversion factor is given.

In this animated object, students view an example of how to convert rotational velocity to linear velocity. They then work practice problems.

In this animated and interactive object, learners calculate the maximum velocity of the work stroke and the return stroke.

In this animated and interactive object, learners use rotational input velocity to determine the linear output velocity of a rocker or lever. Learners test their knowledge in an exercise at the end of the activity.

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

Learners use animated needle valves and check valves to change the speed of a pneumatic cylinder as it extends and retracts. A brief quiz completes the learning object.

This game is 20 questions about Chapter 11/12 motion. use the arrow keys to move the snake to the correct answer.

Answer questions about Distance and Displacement, Speed and Velocity, Acceleration, Forces, and Units of Measurement. Answer correctly and you'll get to play a candy crush type game, but with vegetables.

Review game for science.

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