"This fun and educational introduction to the exciting field of robotics the science of designing, building, and operating robots gives kids the basic tools for creating their own robots using ordinary craft materials and parts salvaged from recycled toys and other household devices. Early chapters teach budding roboticists how to create working models of robot hands and write pencil and paper computer programs, while later chapters show them how...

Discusses different types of biomes on Earth: forests, deserts, grasslands, tundra, mountains, oceans. Activities and projects include making a blubber mitt, a rainstick, a tornado in a bottle, a food chain flipbook, a glacier, a cone bird feeder as well as experiments with erosion, acid rain, salt and seed germination and air quality.

Biology is the study of life, and life is all around you. You can find life thriving in the city and in the country, teeming in ecosystems around the planet--in deserts, oceans, and even the Arctic. Backyard Biology: Discover the Life Cycles and Adaptations Outside Your Door with Hands-On Science Activities introduces readers ages 9 to 12 to the amazing world of life science right outside their doors, no matter where they live. Plentiful text-to-self...

"Westward ho! If you travel across certain parts of the United States, you can still see wagon wheel ruts where people crossed the west in search of more opportunity and better lives more than 200 years ago! The Oregon Trail: The Journey Across the Country from Lewis and Clark to the Transcontinental Railroad offers readers ages 9 to 12 a fascinating look at the explorers and settlers who traveled this route during the westward expansion of the United...

Have you seen a dodo bird recently? Do you have mastodons playing in your back yard? Not likely-- these species are extinct! In Earth's 4.5 billion-year history, more than 5 billion species have gone extinct, some of them at the same time. In EXTINCTION: WHAT HAPPENED TO THE DINOSAURS, MASTODONS, AND DODO BIRDS? kids ages 9 to 12 learn about the detective work scientists perform to find out why mass extinctions happen ... Try these hands-on STEM projects!...

"Learn about the different bodily systems that keep people breathing, moving, thinking, and staying healthy." -- back cover.

Introduces the concept of biological evolution, explaining how minute changes over time lead to speciation, in a book that includes twenty-five science projects that illustrate key concepts.

"The Underground Railroad was a [19th century] network of secret routes and safe houses operated by conductors and station masters, both black and white. Readers follow true stories of enslaved people who braved patrols, the wilderness, hunger, and their own fear in a quest for freedom"--Amazon.com.

"Most people have heard of Thomas Edison, Steve Jobs, and Mark Zuckerberg, but how about Daniel Hale Williams, Mae Jemison, and Mary Anderson? The world owes a lot to the unsung heroes of innovation, people who used their ideas to make the world a better place through advances in health, technology, food science, and discovery! In Innovators: The Stories Behind the People Who Shaped the World, readers ages 9 to 12 learn about many inventions, products,...

Learn about earthquakes and volcanoes and how the earth's surface is always changing.