In this learning activity you'll examine how electronic converters convert between analog voltages and proportional digital signals.

In this highly interactive and animated object, learners examine the VAT-40 battery starting and charging system tester and study how the tester is used to diagnose vehicle starting system problems. This object has audio.

In this learning activity you'll explore the functions and proper operation of a digital multimeter.

In this interactive object, learners examine a mind map depicting manifest and latent functions of deviance. Quiz questions complete the activity.

Learners work problems to make conversions between RMS, average, peak, and peak-to-peak AC voltages.

Learners read an introduction to arterial blood gasses and then identify uncompensated ABGs.

In this animated object, learners follow a process for simplifying radicals.

Learners will understand the technical terms used in the context of the SDS to help them interpret its information.

In this learning activity you'll review design errors and learn how to avoid them.

Learners identify the major components of an aircraft and the functions of these components.

In this animated lesson, students read an analogy comparing water in a "special" water tank to the current "flow" through a capacitor.

In this learning activity you'll review the differences between identification, authentication, and authorization.

In this animated activity, students read about the two general types of variable resistors: potentiometers and rheostats. A brief quiz completes the learning object.

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

In this learning activity you'll discover what the Raspberry Pi is, how it's used, and some projects you can do at home.

Learners view maps of Australia and New Zealand and locate the territories and states of these countries in an interactive exercise.

In this learning activity you'll examine a systematic method for converting a decimal number (base 10) into a binary number (base 2).

Learners read how an inductor opposes a current change when it begins to energize and when it begins to de-energize. A short quiz completes the activity.

In this learning activity you'll test your knowledge of angular measurement in this 10-question quiz.

In this interactive object, the learner matches various disorders to the acid-base disturbances they cause.