In this video, you'll review how every protein molecule of an organism is synthesized.

In this learning activity you'll review how every protein molecule of an organism is synthesized by that organism in a prescribed process. This activity helps students understand the fundamental life process of making protein.

Learners examine the operation of various circuits that are internal to the capacitive proximity sensor.

In this screencast, you will learn about the 24 time zones.

In this learning activity you'll calculate exchange rates to determine the impact of prices of exports and imports.

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

In this learning activity you'll discover different communication styles from around the world.

Learners examine the Karnaugh map for a three-variable system. Several examples are given.

This learning object describes the production of an alternating current in a generator with a single-loop armature. An illustration of how a sine wave is produced is shown through animation.

The learner will read a mini-lecture defining external noise and will complete an activity.