In this learning activity you'll identify identify two-dimensional geometric shapes in a matching exercise.

In this learning activity you'll factor problems using the difference of two perfect squares.

In this animated and interactive object, learners observe how two, three, or four groups of electrons around the central atom cause the shape of the molecule to be linear, trigonal planar, bent, tetrahedral, or pyramidal. Seven examples and eight interactive questions are provided.

In this interactive object, learners demonstrate the proper tightening sequence for mechanically joining two mating surfaces.

Students use a map of Chicago to find their way to the Museum of Science and Industry. The activity offers practice in identifying directions on a map. A quiz completes the activity.

In this quiz, you'll practice identifying hand tools by name.

In this learning activity you'll complete a skill-building exercise identifying effective nonverbal behavior.

In this screencast, you'll review definitions of To, Too, and Two and review practice sentences.

The learner will identify active and passive voice and distinguish between the two.

This document is a visual and text description of lathe cutting tool shapes.

The student reviews definitions of to/too/two and completes a practice exercise.

In this learning activity you'll apply knowledge about eustress to high and low stressors in your life.

In this animated object, learners examine the signals produced by sourcing and sinking two-wire sensors. A brief quiz completes the activity.

In this animated activity, learners observe how a two-roll metering system operates.

Learners complete two exercises. In the first quiz, they divide viruses into two categories: RNA and DNA. They later match each virus with the disease it causes.

Learners will identify the number of significant digits in practice problems.

Learners identify conflict resolution styles while becoming familiar with definitions, characteristics, and motivations for using these styles.

In this learning activity you'll identify acceptable paraphrases of source material.

In this learning activity you'll define psychological noise and will complete an activity.

In this interactive object, learners practice their 3D visualization skills by identifying the correct isometric view of an object. Front, side, and top orthographic views are shown.