Learners examine the operation of the on-off control mode using a home heating example. A short quiz completes the activity.

In this interactive object, learners view a practical application of a PLC Timer-On function.

Learners read the definitions of the prepositions "in," "on," and "at" and view examples of how these words are used. They then complete an exercise by inserting the prepositions into sentences.

Learners examine an animated view of the operation and programming requirements of a PLC Examine-On instruction. A brief quiz completes the activity.

Learners view an animation showing the one-shot operation of a programmable logic controller.

In this interactive object, learners change the amount of money received from tax revenue and the amount spent on federal programs as they calculate how fiscal policy affects the gross domestic product (GDP), unemployment, inflation, the annual deficit, the national debt, and interest on the national debt.

Learners read the definitions of working capital, current ratio, quick ratio, return on equity, accounts receivable turnover, and inventory turnover.

In this learning activity you'll match definitions of motivational terms with terms and concepts found in a puzzle.

This video clip shows facing on an engine lathe.

The student reviews definitions of your/you're and completes a practice exercise.

In this learning activity you'll discover what C.R.U.D. applications are and how they're used in everyday life.

In this learning activity you'll determine appropriate feasibility studies from a list of selected topics.

In this learning activity you'll review an explanation of scientific notation and complete exercises to convert scientific notation to ordinary numbers.

Learners identify the parts of speech by following a certain order until each word in a sentence is labeled. In a variety of exercises, learners practice finding verbs, prepositional phrases, subjects, nouns, pronouns, adjectives, adverbs, and conjunctions.

Understand pseudocode structure of Inputs and Outputs, a vital component of programming computer and industrial applications.

In this learning activity you'll be introduced to the Red Herring fallacy.

In this learning activity you'll describe customer requirements and specifications as they relate to "Quality" in an organization.

Learners view the steps to find the complex conjugate of a number in polar form using a TI-86 calculator.

In this animated object, learners examine the situation that occurs when any two links of a mechanism lie in the same plane or on a straight line. Crank-sliders and crank-rockers are shown.

In this animated object, learners examine the two types of optical encoders used in automation applications: incremental and absolute. A brief quiz completes the activity.