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

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

In this document you'll review basic types of drilling machines.

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

Learners follow steps to add fractions with different denominators. They also review fraction concepts, do a drag-and-drop exercise involving fraction terms, and add fractions with common denominators.

Learners examine the various classifications of airspace and the requirements to pilot an aircraft there. A quiz completes the activity. This object has sound.

In this learning activity you'll review abstract nouns referring to qualities, ideas, and emotions.

In this learning activity you'll identify nouns referring to qualities, ideas, and emotions.

In this animated object, learners trace the olfactory pathway from the nasal cavity to the olfactory cortex.

გადალახე დაბრკოლება, მიიღე ჯილდო!

Alamin kung sanhi o bunga ang nakasalungguhit sa pangungusap.

Simple game where children can practice cause and effect.

Decide whether a noun given is common or proper to advance in the game.