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

Learners tackle this interactive learning object after studying the mathematics of buying. This activity ties together the ideas of net cost, list price, trade discounts, cash discounts, net cost equivalent, and single discount equivalent, as well as the concepts of part, base, and rate.

In this interactive object, learners work 11 problems covering atomic structure, conductors, and insulators.

In this learning activity you'll review facts and interpretations, determines a verdict, and responds to questions.

In this interactive object, learners follow the litigation process from the filing of a court case through the filing of an appeal. Learners’ choices will move the case in different directions, based on the actions of the parties and the Court. A quiz completes the activity.

In this animated and interactive object, learners identify the valves and chambers of the heart.

In this interactive object, learners complete dental formulas for various species of animals.

Students answer 10 questions in a sample exam. This exercise covers number systems, number conversion, logic gates, and combinational design. Feedback is provided.

Learners review the differences within the right and left parietal lobes. They answer questions based on a case study and describe a client in a second case study.

Learners read a detailed description of the VAT-40 tester and practice using it in an interactive exercise.

Students review the best practices for using a ruler and answer five basic questions.

In this interactive activity, learners insert the router terms that each acronym stands for. Each of the acronyms is formed from the key letters in a term that relates to routers.

In this learning activity you'll analyze line graphs and answer questions about the information shown.

In this animated object, learners examine how a gateway server operates.

Users of this learning object evaluate the early online experiences of four hypothetical students and record the lessons that can be learned about what to do and what not to do to create effective online learning environments.

2D and 3D views used to help convey information from a drafter or designer to the welder are provided. This activity will focus on a mounting wedge. A short quiz to test your ability to correctly read this information follows.