In this learning activity you'll quiz yourself about Greenland by answering questions about the people, the land, and the economy.

Learners read the definitions of geological terms and identify the landforms in various images.

Students read about the countries of West and Central Africa and identify them on a map.

Students locate the seven countries in the Sahel region, which is between the Sahara and the coastal rain forests. They identify the famous city of Timbuktu in a map exercise.

In this animated object, learners examine the structure and function of intracellular and extracellular fluid. They also read about the most common electrolytes in the body and complete a matching exercise to test their knowledge.

In this scenario, learners put themselves in the place of a safety director at a local company. They watch video of an injury-causing incident and propose changes to company policies and procedures to try to maintain a safe environment.

In this learning object, you will learn about four blood osmolality and volume regulators, their sites of production, their sites of action, and the results of those actions.

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

In this animated and interactive object, learners conduct an experiment online to illustrate how a greater number of particles in a "vessel" increases osmotic pressure.

Vocabulary Terms and their Definitions

This is a review game for our waves unit.

Let's see how much you know about the importance of water in our lives.

Fresh and salt water, water pollution