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"In The Science of Seeds: Why We Eat Maize, Wheat, Rice, and Potatoes with Hands-On Science Activities for Kids, readers aged 9 to 12 learn about how humans co-evolved alongside these foods. In this journey that spans continents and time periods, young scientists come to see these crops as the building blocks of the world as we know it. Focusing on the ever-changing relationship between humans and plants, we'll dive deep into the science of botany,...

"How do we build skyscrapers? How did ancient people build pyramids? Why are gears an essential part of motors? In Engineering: How the Six Simple Machines Support the World, young engineers learn how mechanical, structural, civil, and other types of engineering are based on the six simple machines that humans have been using for thousands of years. The inclined plane, lever, pulley, screw, wedge,and wheel and axle are used to build roads, skyscrapers,...

"Kid scientists make the trek to four different types of deserts around the world - a hot and dry desert, a semi-arid desert, a coastal desert, and a cold desert-to discover the adaptations plants and animals have made to survive in these dry places!" -- Back cover.

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The moon is one of the smaller celestial objects in the universe, but it has some very important jobs. Without it, Earth would be a very different place! Narrated by the character of the Universe, this story offers up clearly stated scientific explanations designed to gets kids excited about astronomy, covering topics such as the moon's phases, eclipses, and humans' long history of watching the moon. A hands-on project, glossary, and a poem offer...

A story narrated by the Universe, this explains how the stars are born, about the cosmic objects and discover what stars are made of, what makes them twinkle, how many there are, and even how they will come to an end and what humans use them for. Two aliens provide fun facts about space. Includes activity time and glossary.

Science and engineering make the entire fashion industry possible. Computer technology is used in fashion design, dyes and special treatments such as waterproofing use chemical processes, and engineering innovations improve clothing over time. Learn through hands-on projects, links to online resources, and text-to-world connections.

Presents the life of a girl who went from working hard on her family's farm to traveling into space aboard NASA's space shuttle Challenger.

Toppling dominoes, rolling marbles, racing balloon cars, springing catapults, and whizzing ziplines are all elements used to build Rube Goldberg machines in Crazy Contraptions: Build Rube Goldberg Machines that Swoop, Spin, Stack and Swivel with Hands-On Engineering Activities. The book introduces kids ages 9-12 (and beyond!) to the wacky machines designed by Rube Coldberg, which were based on complicated chain reactions used to accomplish very simple,...

"A fun way for middle schoolers to learn about chemistry-through food! Includes hands-on science projects and graphic novel type illustrations. Why does tomato sauce taste different from fresh tomatoes? Why does pasta go limp when you cook it in boiling water? What makes ice cream melt? In The Chemistry of Food, middle school readers learn the science behind the food they love to eat as they explore the chemistry within the meal, how nutrition works,...