Rebecca E Hirsch

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

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"Get ready to get your hands dirty with The Rock Cycle. With its reader-friendly and interactive approach, this title covers key curriculum Earth science topics in an engaging way. This title explores the natural processes, how geologists study the rock cycle, and how the rock cycle relates to the reader's daily life"--

"Bees pollinate 75 percent of the fruits, vegetables, and nuts grown in the United States. Around the world, bees pollinate $24 billion worth of crops each year. Without bees, humans would face a drastically reduced diet. We need bees to grow the foods that keep us healthy. But numbers of bees are falling, and that has scientists alarmed. What's causing the decline? Diseases, pesticides, climate change, and loss of habitat are all threatening bee...

Monarch butterfly populations have been declining for the last two decades, and scientists aren't sure why. This book takes readers on a quest to discover what is happening and what scientists know. --

Readers will study charts comparing African elephants to other mammals.

Learn what a mountain gorilla has in common with a hippopotamus. Find out what sets a mountain gorilla apart from a raccoon or a mountain lion. Readers will compare key traits of mountain gorillas-their appearance, behavior, habitat, and life cycle-to traits of other mammals. Charts and sidebars support key ideas and provide details. Through gathering information about similarities and differences, readers will make connections and draw conclusions...

Audisee® eBooks with Audio combine professional narration and text highlighting to engage reluctant readers! Ever wonder what the capital of Alaska is? Or how many states share a border with New York? Political maps show state and national boundaries. They include major cities and places created by people. But how do you use political maps? And what map features help you answer geographical questions? Read on to become a map genius!

Learn about what makes Washington, DC great.

"Scientists around the world are working to understand our changing climate. Learn what they do and how you can help. You may want to become a citizen scientist! This title supports NGSS for Earth and Human Activity"--From the publisher's web site.

The focus of the book is on motion and forces. The reader is encouraged to make predictions, perform purpose-driven research, and creatively solve problems presented about motion and forces.