In this colorful and interactive object, learners examine the structure and function of muscle and connective tissues. A quiz completes the activity.

In this interactive object, learners match Spanish vocabulary words to items found in a classroom.

In this interactive learning object, students calculate a resultant of multiple forces acting in a concurrent, coplanar condition.

In this interactive object, learners determine the pulse width, period, duty cycle, and frequency of a waveform.

In this animated activity, learners view the seven steps that are used to calculate voltage and current values throughout a common-emitter transistor amplifier.

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.

In this animated activity, learners examine the components of the dental x-ray tube and how dental x-rays are generated.

In this animated activity, students read directions on how to calibrate a thermometer.

In this interactive object, part 3 in a series, learners follow the steps of the “mathemagician” to examine four numerical curiosities: What’s Special About 1089, Perfect Squares: 1089 and 9801, The Mathematical Significance of 1776, and The Calculator Number Game. The learner will also study six number patterns and look at one remarkable table. Immediate feedback is provided.

In this object designed for instructional assistants, learners read about the laws that pertain to student school records. Three case studies are presented and learners write about how they would respond in these situations.

In this learning object, you will learn the three tips to better resolve conflict with others.

In this interactive object, learners examine how to properly dilute hydrochloric acid.

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.

Learners observe current flow throughout the series portion and branches of a parallel circuit. This animated activity includes calculations and a short quiz.

This learning object is designed to assist students in understanding and interpreting collision evidence found in automotive lamps. In particular, the concepts of Hot Shock, Cold Shock, Hot Break, and Cold Break will be visually addressed.

In this learning activity you'll complete exercises using personal pronouns as subjects or objects.

Learners read a brief introduction to in-control and out-of-control conditions and view a series of distribution curves. This is a follow-up to the learning object titled "Quality Basics: Variation."

In this animated activity, learners examine how ground fault circuit interrupters work and why they are an important safety feature.

This learning object introduces the student to the calculations involved in a sieve analysis -- including percentage retained and percentage passed.

Learners view an animated explanation of why an adjustment of the output voltage by an AC drive is required to maintain a constant torque as the frequency is varied.