The learner follows a step-by-step procedure for testing a computer ground circuit.

This learning object introduces the student to sieves and how their designation is related to the aggregate size.

Learners view examples of devices that prevent mistakes from occurring.

In this animated object, learners examine a closed-loop feedback system that uses digital circuits to control the position of a gear rack.

In this learning activity you'll explore lathe tool-holding techniques.

In this animated object, learners read about the uses of nanotechnology. The sciences, engineering, electronics, and other disciplines converge in nanotechnology. Examples are given for applications in manufacturing, biomedicine, and environmental science. Concerns about possible environmental effects are discussed.

Students read an explanation of the values used for arterial blood gas analysis.

The users of this learning object read a brief introduction to the six levels of Bloom's Cognitive Taxonomy and quiz themselves on a basic understanding of the levels.

In this learning activity you'll explore how a fuse de-energizes a parallel circuit when too many lamps are connected to a power outlet.

Students match images of insects and other pests with their descriptions in this lesson on keeping a food service operation free from contamination.

This is a project that gives steps to complete the activity.

In this interactive object, the learner reads a case study and then determines appropriate assessment, planning, and intervention strategies necessary during the detoxification phase.

Learners examine the accounting process of recording, classifying, summarizing, interpreting, and communicating.

Students read an introduction to transformers that includes schematic symbols, turns ratios, mutual inductance, and the coefficient of coupling.

In this interactive object, learners read an explanation of the electrodes used for welding with the GMAW and FCAW processes. In two matching exercises, students test their knowledge of classification and specification numbers.

In this interactive object, learners sort antihypertensive medications into categories. Descriptions are provided.

In this learning activity you'll solve three binary subtraction problems using the 2's complement method.

In this interactive object, learners solve for total resistance and current, the current through each resistor, the voltage across each resistor, and the power dissipated by each resistor.

Students read about fresh herb garnishes and match the garnishes to appropriate foods.

In this animated activity, students read about weight-volume relationships within a given sample of soil or aggregate. They complete problems using a 3-phase diagram.

In the interactive object, learners examine the structural-functional, social-conflict, and symbolic interaction analyses of government.

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.

In this interactive learning object, the student examines the types of COPD and designs a treatment plan for a specific client.

In this learning activity you'll review independent and dependent variables and view a demonstration of the positive and negative correlation.

Students determine what happens to current flow in a series circuit when the resistance is changed. A brief quiz concludes the activity.