The target audience of this learning object is trigonometry students who have already learned what a radian is and have already derived the key values of the coordinates associated with common radian units, but now need to practice finding those values on the unit circle. The student does not need to know the definition of the six trig functions to do this activity.

You'll define parts of the ear based on word parts.

Have U "Herd" about these conditions of the Human Ear? Build your own band from a herd of mutant cows while reviewing conditions of the ear! Loss of hearing happens slowly and can go unnoticed. If you have trouble hearing on the phone, hearing birds, or work in a loud noisy environment. Get your hearing checked.

Build a band by correctly identifying the parts of the ear.

The student identifies the anatomical parts of the ear and learns the purpose and function of these parts. A review follows the lesson.

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

In this learning activity you'll review the safety equipment used to protect a worker's face and ears.

In this animated and interactive object, learners identify the parts of the cardiovascular system and examine blood flow.

Students read about the phenomenon of people trying to do their best to be good subjects when participating in research.

Students read about the scientific method and the three main types of research. They enter their answers to questions on the screen.

The learner will understand the inner workings of the strain wave gear principle.

In this learning activity, you'll be introduced to three common usability research methods.

A quick overview of learning styles - "hangman"/hangmoon style!

Students test their understanding of the five stages of learning.

Learners identify earth's layers and tectonic plates from clues

In this learning activity you'll apply directions to follow when writing clear "how-to" instructions.

Reviews vocabulary for volcanoes and earthquakes

Picture of Adira hydraulic shear's operator's panel with part identification and instructions on how to start and stop the shear as well as setting stroke (cutting length).

The user completes a fill-in-the-blank exercise to review the anatomy of the heart.

In this animated object, learners study the operation of a linear voltage differential transformer. A brief quiz completes the activity.