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 also...

Wind farms along the Atlantic coastline provide sources of clean energy but are dangerous to migrating seabirds. Find out how scientists are working to ensure that the windmills won't spell disaster for the millions of seabirds that play a critical role in the ocean food web. As they discover more about the birds' migratory paths, they can establish a database with their locations, food sources, and populations, in order to help with planning locations...

"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"--

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

Get ready for a fascinating trip around the seven continents of the world! Simple, engaging text and colorful, mesmerizing pictures teach you about each continent's land features, populations, native animals, technological advances, and lots more-including how to find each continent on a map! Antarctica is the most remote continent, and this title teachers readers all about the people who study and explore there, as well as the animals that live there....

Presents a simple introduction to Australia, focusing on its geographical features and points of interest.

"What are the tallest living things on Earth? Trees! Discover what growing trees need so they can rise to the sky in this lyrical look at the tree life cycle"--

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

"This book covers information (life cycle, appearance, habitat) about the platypus. Each chapter discusses an aspect of the platypus's life, comparing the platypus to a similar mammal and to a very different mammal."--