Rebecca E. Hirsch

Describes some ways in which plants can move, from sunflowers turning towards sunlight and vines creeping up a fence to tulips folding in at night and maple seeds whirling like helicopters in the wind.

An introduction to sedimentary rocks, explaining what they are, how they form, different types, how they are used, and other related topics.

Examines the properties of matter, discussing the different states, densities, and making new kinds of matter.

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!

Your body is home to trillions of microbial cells. A small number are unhealthy germs. But most perform essential jobs. Using techniques such as DNA sequencing, scientists are uncovering the secrets of the human microbiome.

"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.

What is the tallest living thing? It's not an elephant, or a giraffe, or even a blue whale. It's a tree! Trees are the tallest living things on Earth. But how do they grow to be so tall? Science writer Rebecca E. Hirsch presents a poetic introduction to the tree life cycle in Rise to the Sky. Accompanied by Mia Posada's detailed collage illustrations, this book features the tallest tree species from around the world, including the coast redwood,...