Young readers will be astounded by the tiny organisms that live in soil, their ecological roles, and how they adapt to living there. Children will learn the value of even the smallest bacteria and be amazed by the impact that soil degradation has on an entire ecosystem.
How Is Soil Made introduces children to the concepts of organic and inorganic parts of soil, the nutrient cycles of plants, and decomposition. Complex processes such as weathering, erosion, and deposition are also made easy to understand.
Soil Erosion and How to Prvent It helps young readers see the real impact of erosion on all life. This intriguing book describes the processes of weathering, erosion, and deposition, the impact of erosion on plants and animals, and kid-friendly steps to preventing erosion.
Scientists who have studied light and sound over the last few centuries invented many things that we still use today. Thomas Young, for example, proved that light moves in waves and invented prescription eyeglasses. The study of sound has led to inventions like the telephone and hearing aids. Thomas Edison studied both light and sound and invented such things as a long-lasting light bulb, the phonograph, and the first recording machine.
Find out how water moves, how it can be a solid, liquid, or gas. Find out how Earth can use the same water over again in the water cycle.
"Once upon a time" meets science in a children's picture book that tells the thrilling story of how life began on Earth. The second in a trilogy of Universe stories - the first being "Born with a Bang: The Universe Tells Our Cosmic Story"-- this book picks up the story with the first appearance of life on Earth. It's a thrilling story about how Earth triumphs over crisis to become bacteria, jellyfish, flowers . . . even dinosaurs! The author, Jennifer Morgan, studied evolutionary science and saw its storytelling possibilities when she explained it to her elementary-age son. Coupled with brilliant artwork by Dana Anderson, who also studied Cosmology, these books will intrigue children and adults alike with their storytelling style and colorful pages.
Explore the world of eagles including where they live, what they eat, and what their family lives are like. Many interesting facts are presented about eagles as well as related vocabulary.