Christine Zuchora-Walske

Explores the habitat, life cycle, physical characteristics, and behavior of mountain lions.

Robots work in homes every day. Some vacuum floors or mow lawns. Others keep people company. And some help kids have fun! What robots might you find in someone's home? Read this book to find out!

Living with Asthma features fictional narratives paired with firsthand advice from a medical expert to help preteens and teenagers feel prepared for dealing with asthma during adolescence. Topics include causes and risk factors, complications, tests and diagnosis, treatment methods, coping strategies, and giving and getting support. Throughout the book, Ask Yourself This questions encourage discussion. Features include a selected bibliography, further...

"Informative, engaging text and vivid photos introduce readers to the predatory lives of killer whales"--

"Explore the fascinating history of earth and space science! What are Earth's systems, cycles, and resources? What are the solar system, lunar phases, and gravity? Who first studied these concepts? And who later used those early theories to develop these ideas further?"--

As our world's population grows, so too does our need for energy. Scientists seek the next breakthrough in new technology while constantly finding ways to make current solutions cheaper and more efficient. In this title, discover what solar energy is, its history, how we use it today, and how new technologies can contribute to our energy future. Learn about cutting-edge uses for solar cells, including tiny nano-sized cells and cells printed on paper,...

Robots help us understand our weather and climate. Some fly into storms to measure wind. Others dive into the ocean to learn about weather patterns. And some drive across frigid polar regions to gather climate data. How are robots helping us plan for the weather of the future? Read this book to find out!

"Did you know that hundreds of years ago, the sun orbited Earth? Actually, this isn't true, but people thought it was! Discover other missteps and odd theories in physics and astronomy."--

Is planet Earth flat? Is California an island? Can you mix other metals to make gold? At one time, science supported wild notions like these! But later studies proved these ideas were nonsense. Discover science's biggest mistakes and oddest assumptions about geology and ecology, and see how scientific thought changed over time.

This title examines the African-American pilots known as the Tuskegee Airmen, focusing on their training, their impressive performance in the skies over Europe, and the discrimination they faced. Narrative text, historical photographs, and primary sources assist the reader in report writing.