Learners read about audiological tests including pure tone testing, air conduction, bone conduction, Speech Reception Threshold, and Speech Discrimination Score. They listen to sounds and words recorded at different decibel levels and see a graphic representation of decibel ranges. A brief review concludes the activity.

In this interactive object, the learner examines the causes, symptoms, and risk factors associated with a stroke. The terms "thrombus," "emboli," and "hemorrhage" are defined. A self-assessment of risk factors completes the activity.

In this animated lesson, students read how reducing the thickness of a food is an important factor in cooling it. They also read FDA guidelines for food temperatures.

Chytrids, as members of this group are known, are found everywhere. In this animated learning object, students examine the role of chytrids and their impact on the environment.

Learners view animations and video clips showing how power is transmitted from one energized coil to another.

In this colorful and interactive object, learners examine the structure and function of muscle and connective tissues. A quiz completes the activity.

Learners read descriptions of the actions of the superficial skeletal muscles and see their locations. A 61-question quiz completes the activity.

Students identify various muscles of the face and scalp and see them in action in this animated activity.

Students view the 10 major bones of the skull and read a description of each bone.

Muscles and actions

Build your knowledge

Drag the snake and match up the correct word to its definition and answer questions correctly