The learner solves for Zin(base), Zin(stage), Zout, and Av. A "help" screen is available.

The learner will gain an understanding of the inner workings of the cycloidal gear drive while watching a video and listening to an explanation of its features.

Learners apply lever ratios to calculate the mechanical advantage in basic mechanisms.

In this animated activity, learners examine the operation of a pneumatic cylinder that continuously cycles by extending and retracting.

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.

In this animated object, learners examine the function and location of the motor neurons and the damage that can result when they are injured.

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

Students answer five questions concerning magnetism.

Learners solve for voltage, current, and power in a single source, six-resistor circuit. A help screen is provided.

Find two words that can make a compound word

Match the words to form a compound word.

hablemos de Responsabilidad Social Empresarial

Identify the parts of a sentence described in each statement.