In this interactive object, learners examine sectional views used in engineering drawings. The sections shown are full, half, offset, aligned, revolved, and broken-out. Learners match drawings of sectional views with the names of the views.

In this interactive object, learners answer 25 questions regarding part or assembly drawings. The basic areas of blueprint reading are covered.

Learners examine the relationship of individual parts in an assembly drawing. Assembly drawing notes, fabricated and purchased parts, and sectional views are explained briefly.

In this learning activity you'll use active listening skills to answer 10 questions based on a story.

Learners assign oxidation numbers to atoms in neutral compounds and in polyatomic ions. Six examples are worked through in detail, and three problems are provided.

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.

In this learning activity you'll practice writing a story with specific and interesting details.

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 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.

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

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

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.