In this interactive object, learners examine standard and metric thread specifications used in engineering drawings. In a brief quiz, they identify various internal and external thread representations.

In this interactive object, learners demonstrate their knowledge of the in-flight checklist a BE-76 pilot uses on a regular basis.

In this screencast, learners examine hearing and balance. Detailed drawings of the outer, middle, and inner ear structures are included.

Learners follow an EMT response at a high school involving a patient who complains of having difficulty breathing. In this detailed activity, learners examine response procedures, resources, and medications.

Learners follow an EMT response at a nursing home involving a patient who complains of having difficulty breathing. In this detailed activity, learners examine response procedures, resources, and medications.

Learners follow an EMT response to the home of an elderly man. The patient complains of having difficulty breathing. In this detailed activity, learners examine response procedures, resources, and medications.

Learners follow an EMT response to a house where a man is complaining of having chest pains. In this detailed activity, learners examine response procedures, resources, and medications.

Learners read a detailed description of the VAT-40 tester and practice using it in an interactive exercise.