Learners click on the root word of a medical term in the left-hand column and drag it to its definition in the right-hand column. There is a time limit, so students will need to train themselves to recognize these root words quickly. Students may repeat the activity as often as they wish. A total of 74 terms are given in random order.

Learners view the steps for determining the square root of a complex number in Excel.

Students read step-by-step instructions for determining the square root of a number using the TI-86 calculator.

Learners follow step-by-step instructions for calculating the square root of a number using the TI-83 Plus scientific calculator. Steps for determining impedance are also shown.

Students identify the enamel, cementum, cementoenamel junction, clinical crown, clinical root, and epithelial attachment of a tooth.

In this learning activity you'll explore how finding and understanding the root cause of stressors can help reduce stress in your life.

Students locate the enamel, cementum, cementoenamel junction, the anatomic crown, and the root of a tooth in this interactive lesson.

The learner will understand how to use a cause and effect diagram to find the root cause of a problem.

Students read about the three categories of interest groups: Economic, grass roots and community-based, and civil and constitutional rights.

In this learning activity you'll simplify square roots involving the product of a numeric and variable term.

In this interactive object, learners view various components of gears and read descriptions of them. Learners then identify the location of each of these components in a drag-and-drop exercise.

The learner constructs a nail and identifies the terms relating to the structures of the nail in a matching exercise.

In this interactive object, learners examine the neuron pathway into and out of the spinal cord. They complete the activity by testing their knowledge of vocabulary and the location of spinal cord structures.

In this animated object, learners examine the major descending tracts of the nervous system. A matching exercise completes the activity.

In this screencast, learners examine the function and location of the motor neurons and the damage that can result when they are injured.