The Mongols, Spanish, and Ottomans all rewrote history with their conquest and control of empires. Yet, each made its mark differently. Using a variety of secondary and primary sources, pupils consider the similarities and differences...

A series on environmental engineering introduces the class to issues that environmental engineers work to solve. This first instructional activity focuses on air and land issues, and looks at ways to reduce pollution.

How have railroads influenced urban growth? What are the consequences of population booms? What has led to the growth of tech centers like Silicon Valley? A series of short-answer questions from the College Board explores the dynamics in...

Religion and politics have a complicated history. How were they intertwined with wealth in Europe and Asia in the Middle Ages? Learners explore the question using a prompt based on primary sources. Other activities allow individuals to...

There seems to be an interesting relationship between the increasing numbers of golf courses and divorce. Assess student understanding of correlation and causation by asking them to explain what it is. Use this short activity as a class...

In this word usage worksheet, 5th graders choose the correct word to complete 10 sentences, with immediate online feedback.

This quiz will discuss the importance of global warming and the affect it has on the Earth. It will also talk about the causes of global warming and what we can do to help stop it from ruining our planet. The Earth is heating up at an...

A pre-assessment at the beginning of a unit on global atmospheric change. It checks understanding of issues around climate change and the impact it has on the environment and on human health. The lesson and accompanying slideshow can...

A post-assessment at the end of a unit on global atmospheric change. Students write persuasive letters about an issue related to it, e.g., the greenhouse effect or ozone loss. The letters encourage the recipient to protect the atmosphere...

A worksheet regarding the effects of global warming.

Using this map from NASA you can calculate the concentrations of carbon dioxide in the atmosphere. Solve the four problems and you will see how concentrations are spread across the globe and where there are regional differences.

Take an interactive quiz over ecological problems affecting the environment. After completing the quiz, check your score, and then revisit any incorrect question for further review.

Take the following five question multiple choice quiz on climate change.