Explains how and why such documents as the Declaration of Independence, the U.S. Constitution, and the Bill of Rights still have an important impact on our country today.

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.

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

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...

What is artificial intelligence? How is artificial intelligence going to change our lives? "Alexa, play my favorite song! Alexa, shut the garage door!" Imagine a world in which you simply call out a request while sitting in your living room and have a small computer comply. Suddenly, the driving beat of your favorite song fills the air while in the distance you hear the grind of the garage door coming down. This scenario is no longer science fiction!...

What is industrial design? How does it affect our everyday lives? Why do microwaves open with a swinging front door? Why aren't smartphones round? Why do drivers sit on the left in the United States? Industrial design is the study of the design process behind the products we use every day, from blenders to school buses to laptops. In Industrial Design: Why Aren't Smartphones Round and Other Mysteries with Science Activities for Kids, readers ages...

Biodiversity: Explore the Diversity of Life on Earth with Science Activities for Kids introduces middle schoolers to the evolution of life on Earth, beginning with the first single-celled organisms that emerged 3.8 billion years ago to the complex, multi-celled organisms that exist today and make up the tree of life. Biodiversity is found everywhere on the planet--on land, in the water, and even in extreme environments such as ice and volcanoes. Biodiversity...

An action-packed book for middle schoolers that explores the roles robots play in our world, including the history, engineering, and key players in this STEAM field-plus loads of hands-on robotics activities so kids can learn design, engineering, and coding, and develop their own innovative ideas for future robots! Robots are everywhere! They vacuum our houses, work in our factories, help us learn at school, and play with us at home. They sample...

An exciting book about the chain reaction world of Rube Goldberg for middle schoolers, including 25 engineering design projects that get middle schoolers applying the laws of physics to their own inventions as they learn the scientific principles behind the actions and reactions they create. Why use a simple hand motion to wipe your mouth when you can build a machine to do it for you? Toppling dominoes, rolling marbles, racing balloon cars, springing...

This book takes kids on a journey to discover the history of games, and then leads them from their initial idea for a new game through several iterations of a game all the way to playing the final version of a game they created. Explore the processes of both playing and creating games while developing critical and creative thinking skills that apply to tasks and concepts across academic fields. -- adapted from back cover.