"Each year, millions of people become American citizens at birth. Thousands more are naturalized as adults. Becoming an American Citizen explains how these processes work"--Publisher's website.

This book describes the events and alliances that led up to World War II, including the reasons that various nations joined the fight. In addition to historic photos, this book includes a table of contents, two infographics, critical thinking questions, two "A Closer Look" special features, a reading comprehension quiz, a glossary, additional resources, and an index.

"Explores the history, events, and aftermath of the Standing Rock Sioux Tribe's protest of the Dakota Access Pipeline. Features "Think about It" questions, two infographics, and two "In Their Own Words" special features"--Provided by publisher.

Imagine stopping at a gas station, and filling your car with ... poop. Fuel made from poop may sound like science fiction, but it's already science fact. This engrossingly gross book explores the powerful possibilities. We'll discover how scientists are learning to make renewable fuels from something that most people are happy to get rid of. Unlike fossil fuels, poop is cheap, it's plentiful, and it's everywhere we are. Whether it's to the store,...

"Hydrogen is the most widespread element and one of the building blocks of life. First appearing when the Big Bang created the universe, hydrogen is now part of human technologies that could change the future. People have used liquid hydrogen to send astronauts into space and hydrogen gas to drive families to the store. In this informative text, we'll explore the first element in the periodic table, looking at its properties and finding its hiding...

"Introduces readers to some of the world's smartest animals. It will explore the creatures' basic biology and appearance, their place in their ecosystems, and the ways in which their smarter natures affect their lives"--