Did you know that many deep-sea fish make their own light? This amazing ability is called bioluminescence. Some dangle a lighted lure to find prey, while others glow to scare off predators or More →

Human modification of the environment always carries a risk of accident and folly. Explore the causes and consequences of the Deepwater Horizon oil spill in the Gulf of Mexico in 2010. Guided More →

Dairy products keep you strong and healthy. Discover the variety of tasty dairy products you can eat to maintain a healthy diet. Content encourages balance and making healthy choices. This… More →

In Democracy at Work, readers will learn about another side of the American government, both past and present. Sidebars include thought-provoking trivia, and ask questions about current… More →

The Racial Justice in America: Histories series explores moments and eras in America's history that have been ignored or misrepresented in education due to racial bias. Desegregation and… More →

Desert examines the characteristics of the habitat and the creatures who inhabit it in a simple way that helps children develop word recognition and reading skills. Includes a glossary and… More →

One new idea could make life easier for the whole world! Great inventors use a process called design thinking to help them identify problems, big and small, and create solutions for them.… More →

Learn how to design, carry out, and present the results of a science project. Students will use relevant prior knowledge of scientific experiments to present their ideas in a new way. The… More →