CK-12 Foundation
Natural Selection: Peppered Moths
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.
Curated OER
Breaking News English: Smog
In this smog learning exercise, 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...
Curated OER
Global Warming
In this global warming learning exercise, students complete multiple choice questions about global warming. Students complete 5 questions total.