Learners read a description of inductors and view examples of inductors in series and in parallel.

Learners solve two sample problems for a mechanical reasoning assessment.

Learners solve two sample problems for an abstract reasoning assessment.

Learners choose the meaning of a selected word in a sentence.

Learners solve two sample problems for a numerical reasoning assessment.

Learners mentally manipulate two-dimensional diagrams to visualize the objects in their three-dimensional forms.

Learners examine the drawing symbols used for counterbore, countersink, spotface, radius, diameter, and depth. In the quiz that completes the activity, they associate these symbols with machining applications.

In this learning activity, learners review the value of health and wellness as it relates to exercise, nutrition, intimacy, and spirituality. Examples of each are identified, and learners are given the opportunity to reflect on how these examples are associated with health concerns in older adults.

Learners read the definitions of an assumption and a fact. They then provide their own examples of each and compare those to the examples provided.

Students read about the four steps to creating an ac model and view examples.

In this screencast, learners read an explanation of the color code used on schematic diagrams for hydraulic circuits. Circuit examples for each color are shown.

Students solve practice problems on voltage, current, and impedance matching. Examples precede the problems.

Learners view the steps to find the complex conjugate of a number using the TI-83 Plus calculator. They are encouraged to work the examples given.

In this screencast, students demonstrate an understanding of summary writing by reading step-by-step instructions and then summarizing short paragraphs. Examples of summaries that are poorly written, as well as those that are written well, are included.

Learners examine three formulas than can be used to find dc power. Examples are given.

Students read an explanation of power factor correction. Examples of both inductive and capacitive loads are given.

Students read an explanation of the Voltage Divider Rule with complex numbers. Examples are given.

In this interactive lesson, learners study examples of nouns that can be counted and nouns that cannot. They then identify whether a word is a "count" or a "noncount" noun in a practice exercise.

In this animated learning object, users view the process of entering a formula in an Excel spreadsheet. Several different methods and associated examples are given.

Students examine the full-wave rectifier. They review appropriate formulas and examples of actual circuits.