Students examine AutoCAD toolbars and toolbar commands. They then test their knowledge in a matching exercise.

In this animated object, learners examine the two types of optical encoders used in automation applications: incremental and absolute. A brief quiz completes the activity.

Learners examine the complex number function to convert real and imaginary coefficients into a complex number.

In this animated object, learners examine the operation of two-way, three-way, and four-way directional control valves used in pneumatic systems.

Learners consider why an impedance matching transformer is needed to connect an antenna to a television.

In this animated object, learners examine processes that do not use ATP directly including hydrostatic pressure and facilitated diffusion with carrier proteins.

In this animated and interactive object, learners identify the valves and chambers of the heart.

In this learning activity you'll review the six different ways in which electricity is produced: chemical, friction, heat, light, magnetism, and pressure.

In this animated activity, learners examine the operation of hydraulic directional control valves and the internal components that divert the fluid.

Show everyone how much you know about heat and heat transfer by solving these 7 Terms!

You'll be introduced to commonly used acronyms within the computer industry.

How well do you know your air brake parts?