Can human activity influence the colors of moths? The simulation explains how pollution changed the color of tree bark, which led to the survival of a different variation of moths. It also discusses the shift back as air quality improves.

Explore the water cycle in an interactive diagram of the process. The diagram shows how water is a moving system and constantly changing forms. The resourc includes vocabulary words that pupils click on in order to discover more about...

Shockingly, wasps sometimes challenge lions as the king of predators! Learners explore the life of a wasp in an interactive online lesson. They read about the characteristics of wasps and then complete activities to learn about their lives.

In this online interactive literature worksheet, students respond to 10 short answer and essay questions about Thomas Hardy's The Return of the Native. Students may check some of their answers online.

In this dolphins and stress 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,...

In this reading comprehension worksheet, students read a passage from an essay by George Orwell and a passage from an essay by T.H. Huxley.  Students have 12 minutes to answer 8 reading comprehension questions in this SAT practice...

In this stress and dolphins 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,...