In the history of life on this planet, 99.9 percent of all species have gone extinct. But a few have survived almost unchanged. Author Rebecca E. Hirsch introduces readers to six living fossils, including the chambered nautilus, the horseshoe crab with its sticky blue blood, and venomous platypuses that sting, as well as a comprehensive explanation of evolution and extinction for readers who may not be familiar with the terms yet. Readers will also...

Wildfires are exploding as climate change results in hotter, drier weather and longer fire seasons. There is a growing need for creative engineering solutions to better fight these disasters. This revealing volume begins with an overview of the 2018 California fire season. Readers then investigate the causes and effects of wildfires and learn about the methods engineers use to predict including the reliance on computer fire models and satellites.

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The ability to use the scientific method is key to carrying out experiments, taking measurements, or performing technical tasks. In this book, readers in real-world situations are tasked with following clues and using the scientific method to find out what happens during the spread of an epidemic. Informational text presents evidence and facts in the form of clues and side-bar details to help children develop critical thinking skills. A summary of...