In this animated object, learners examine the operation of a summing operational amplifier through formulas, tables, and animated illustrations. A brief quiz completes the activity.

In this animated object, learners examine different types of pneumatic actuators, cylinders, and motors.

Understand the op-amp buffer configuration and calculate basic circuit impedance.

Students read a definition of Kirchhoff's Voltage Law and view examples of its use.

In this learning activity you'll discover how to calculate the best priced items and improve your financial literacy.

Learners read how to use a lumber rule to quickly and accurately estimate board feet. They then use virtual samples to practice the process.

In this animated activity, students read about weight-volume relationships within a given sample of soil or aggregate. They complete problems using a 3-phase diagram.

This interactive learning object demonstrates how the moisture content is determined for a given sample of soil or aggregate.

Students read an explanation of the use of weight-volume relationships and practice calculating density.

Geometry review questions

Words used to discuss love, relationships, and Valentine's Day

Find the words that fit the genre.

HDFS 4366