Which holds more influence, the environment over humans or humans over the environment? Young scientists explore an online interactive that addresses this discussion. They observe changes in the natural world over time and see which...

Carbon dioxide is on the rise; does that also mean a rise in danger to humans and animals? Scholars learn what that means for the environment and more specifically the ocean. They examine data on the pH of different ocean areas and learn...

In this global warming worksheet, students complete multiple choice questions about global warming. Students complete 5 questions total.

In this energy consumption worksheet, students use on line resources to explore the energy use by different countries around the world. Students compare the amount of light emitted by different countries and their carbon dioxide...

In this online interactive English vocabulary skills worksheet, learners answer 10 matching questions which require them to fill in the blanks in 10 sentences. Students may submit their answers to be scored.

In this smog worksheet, students read the article, answer true and false questions, complete synonym matching, complete phrase matching, complete a gap fill, answer short answer questions, answer discussion questions, write, and more...

How did the universe begin? Is the global climate changing? These ever present questions are addressed in this comprehensive site by the National Science Foundation. A link to an interactive feature is also available that details how the...