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 interactive object, learners view the icons and symbols used most frequently in value steam mapping. A matching activity completes the object.

Learners examine a 555 integrated circuit, which functions as a one-shot monostable multivibrator, and then test their knowledge. Immediate feedback is provided. Animations are used to show the sequential operations.

Instructions on how to wire an integrated circuit are given.

In this screencast, learners examine the internal elements of a 555 IC and their operation.

Learners observe the animated operation of an astable mulivibrator using a 555 IC (integrated circuit) chip and external components.

In this learning activity you'll review the parts of a three-roll power roller and practice identifying them.

Students read how to calculate the size of a hydraulic cylinder that is required for a particular application. Mathematical formulas are provided.

In this learning activity you'll review how to read a metric micrometer and use your knowledge to answer 12 questions.

This animated lesson shows how to calculate the amount of force generated by hydraulic cylinders.

Students practice adding some of the basic prefixes to words in the English language.

In this animated and interactive object, learners examine the inverse proportionality of wavelength and frequency and their relationship to the speed of light.

In this animated lesson, learners examine sine waves and alternating current. A brief quiz completes the object.

Learners examine radial and concentric fractures in glass to determine the sequence of the impacts.

In this learning activity you'll arrange words from abstract or general language to specific language.

In the interactive object, learners examine the structural-functional, social-conflict, and symbolic interaction analyses of race and ethnicity. Learners also answer multiple-choice questions.

In this learning activity you'll use critical thinking, personal opinions, and experiences to develop responses regarding communicating respectfully.

In this learning activity you'll explore what scientific notation is and how it's used to express very large and very small numbers.

In this interactive learning object, learners read how to compensate for a part not mounted perfectly parallel to the machine axis.

In this animated and interactive object, learners calculate the area and centroid of a semicircle.