Students read about the world's active volcanoes that make up the "Ring of Fire." In an interactive exercise, they locate these volcanoes on maps.

In this learning activity, you'll examine the different ways in which computers and other equipment are physically connected in local area networks and the advantages and disadvantages of each topology.

This video will examine the parts of an offset boring head, and how to setup and use the head.

In this interactive object, learners read the common abbreviations used in engineering drawings and then test their knowledge in three short exercises.

The student learns how to delete a job after it is programmed in the Marvel PCII.

In this learning activity you'll factor problems using the difference of two perfect squares.

The student reads about encoding, storage, and retrieval and test his or her memory in an interactive exercise.

Learners read about the similarities of electronic and hydraulic components and then match the schematic symbols in a drag-and-drop exercise.

In this learning activity you'll review the four main purposes for writing documents: expressive, literary, persuasive, and reality.

Learners convert units used to designate pressure. Units for pressure are atm, mm Hg, torr, and pascal.

In this animated activity, learners examine procedures in a doctor blade metering system.

Instructions on how to wire an integrated circuit are given.

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

In this interactive object, students explore the basic elements and common terms associated with dimensions and leaders. A quiz completes the activity.

Following a "cut the fat" theme, learners click on 12 drawings of pigs to read about the principles of lean manufacturing.

Learners review a graphic summary of the three series of reactions that occur during cellular respiration and the net energy (ATP) yield of that process.

In this animated object, learners examine how two- three- and four-wire sourcing and sinking sensors operate. A brief quiz completes the activity.

In this interactive learning object, students view the ammeter connections for measuring currents in a parallel circuit with three branches on an energy concepts lab board. A brief quiz completes the activity.

Learners convert a number from standard form to engineering notation.

In this highly animated and interactive object, learners identify the types of waste in a manufacturing process.