Learners examine the circuitry in a DC variable speed drive that prevents the motor from running at 0 rpm or at maximum speed under certain conditions.

In this animated and interactive object, the learner designs a treatment plan that includes precautions and adaptive equipment.

Learners identify the advantages and disadvantages of four versions of high speed Ethernet. A short quiz completes the activity.

Learners watch a short video showing the correct procedure for police officers to follow when making contact with a high-risk vehicle.

In this animated object, learners read the dimensions of the different types of vehicles typically considered in highway design.

In this animated object, learners view the operation of an open-collector inverter with and without a pull-up resistor.

In this interactive object, learners read a case study and consider the signs and symptoms of schizophrenia and the appropriate nursing interventions.

Learners are shown questions to ask themselves before they speak. They evaluate three responses according to the criteria presented. This activity has audio content.

In this learning activity you'll evaluate the determinant of a 3 X 3 matrix.

Explore repetition structures, which are commonly referred to as “Looping” statements, are a vital component of programming computer and industrial applications.

The learner will identify the three general types of ethics.

In this animated activity, the learner listens to a dialogue in which a caller speaks with a receptionist to make a doctor’s appointment. The learner can then click on a number of medical terms to hear their pronunciation in Mandarin Chinese.

In this learning activity you'll review the four main purposes for writing documents: expressive, literary, persuasive, and reality.

In this interactive lesson, students examine the quantitative relationship between chemicals in a balanced mathematical equation.

Learners complete two exercises. In the first quiz, they divide viruses into two categories: RNA and DNA. They later match each virus with the disease it causes.

Learners read about five different fractures of the hip and the treatments used.

In this learning activity you'll explore Lathe Turning Machines.

Students view how the tool length offsets are set on the CNC Machine. They read a description of a method that uses a 2-inch gage block as a height reference.

Students read how to determine and calculate the dry unit weight for a given sample of soil or aggregate based on the weight-volume relationship.

In this animated activity, learners study how a PLC performs a shift operation. The learning object covers data movement, data entry, PLC wiring, PLC shift register introductions, and programming for a paint can operation.