In this learning activity you'll analyze line graphs and answer questions about the information shown.

Students read about South Africa and the countries that surround it. They test their knowledge in a map exercise.

Students explore the history of U.S. Constitutional amendments and the process involved in adding an amendment. In an interactive exercise, learners author their own amendments and explain why these should be added to the Constitution.

Learners read about the 10 countries in the region between India and China. A map exercise completes the activity.

Learners examine the function of each part of a microscope and follow step-by-step instructions on how to focus on a specimen. They also review the proper use and care of a microscope and test their knowledge in two drag-and-drop exercises.

In this interactive object, learners examine how hydraulic oil is contaminated, the types of damage contamination can cause, and the methods used to clean the oil.

Learners observe the four functions of oil in a hydraulic system.

Students view a world map and click on a country or continent to read about how the people there view time. A brief quiz concludes the activity.

Students view maps and answer questions about the newest nine members of the European Union.

You'll learn about the types and properties of gasoline.