Students follow step-by-step instructions to learn how to use the SIMULT function on this scientific calculator.

In this animated and interactive object, learners examine a depiction of how force is multiplied by a larger cylinder when pressure from a pump is applied to a smaller cylinder. A short quiz completes the activity.

You'll understand how to use a run chart to describe a manufacturing problem.

In this learning activity you'll explain how voltage and resistance in a series circuit affect current flow.

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

In this learning activity, you’ll be introduced to what the CRC is, the technology behind it, and how it’s performed.

In this learning activity you'll explore why the FTP protocol is often used to transfer data across the network and more importantly, why it should not be.

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 object, learners read about the occupations that are most at risk for bloodborne pathogen exposure. They also read about the most common pathogens and how they are transmitted. This learning object is based on information from the U.S. Occupational Safety and Health Administration.

Learners read and listen to phrases in Mandarin Chinese that would be part of directions to common locations. Additional vocabulary words related to forms of transportation are also presented.

In this learning activity you'll explore how visual perception influences your understanding of unstable figures.

Students read how to determine and calculate the degree of saturation for a given sample of soil or aggregate based on the weight-volume relationship.

Learners examine how five or six groups of electrons around a central atom cause the shape of the molecule to be trigonal bipyramidal, seesaw, T-shaped, linear, octahedral, square pyramidal, or square planar. Seven examples and three interactive questions are provided in this animated activity.

Learners read how to set up a TI-86 calculator. The process is demonstrated and examples are given.

Learners read and listen to tips for organizing farm-related financial information.

Learners evaluate how well a set of directions instructs a person about to perform a task for the first time. The focus is on avoiding assumptions.

In this interactive game, learners answer 30 questions about early childhood education activities and skills. Up to three people can play on the game board at one time.

Studies show that more than 75 percent of all hydraulic system failures are a direct result of unclean oil. In this interactive object, learners examine the three primary types of hydraulic system filters. A brief quiz completes the activity.

In this animated activity, the learner examines how a 74150 IC multiplexer and a 74154 IC demultiplexer work together when their data select lines are connected to the same input devices.

In this learning activity, you'll be introduced to what personas are, explore how to create one, and understand why they're important.