In this interactive object, learners view various components of gears and read descriptions of them. Learners then identify the location of each of these components in a drag-and-drop exercise.

This project gives a drawing with steps to complete the activity.

This learning object shows the symbols used to represent the type of pulse required at the clock input to activate flip-flops.

In this interactive object, learners review how to read a caliper. They then test their skills with eight practice questions.

Learners read how an inductor opposes a current change when it begins to energize and when it begins to de-energize. A short quiz completes the activity.

In this animated activity, learners view the various hand, arm, and shoulder muscles in action. The students test their knowledge of the location of the muscles in a drag-and-drop exercise.

In this learning activity you'll explore the operation of frequency division using several different types of counters.

Learners view the operation of the 7485 integrated circuit magnitude comparator in this animated object. A quiz completes the activity.

In this animated and interactive object, learners view American National Standard and International Standard sheet sizes. A quiz completes the activity.

Review ABC shortcut

First-Grade CKLA Knowledge Domain 10, A New Nation

Review of rotation and revolution

to practise to be