What are crocodilians? How do reptiles grow? Are reptiles dangerous to people? How do reptiles re...

The states of matter (solids, liquids, and gases) are explained and demonstrated. Includes an exp...

Learn about the air around you, and find out about oxygen, the atmosphere, gases, and pollution.

The states of matter (solids, liquids, and gases) are explained and demonstrated. Includes an exp...

La energía de la comida hace que te levantes cada día. La energía de una cascada hace que tu lámp...

The forms of energy are discovered, including chemical energy, kinetic energy, and solar energy.

¿Por qué se nos tapan los oídos en un elevador? ¿Qué hace que los globos de aire caliente suban a...

Features: Reading Consultants - Table of Contents - Activities - Fun Facts - Glossary - Index Sta...

Find out how electricity and power work. Learn more about electric currents and circuits, and nat...

Learn how things get moving and what makes them stop.

Features: Reading Consultants - Table of Contents - Activities - Fun Facts - Glossary - Index Sta...

This book explores the fascinating science behind weather. Topics include clouds, thunderstorms, ...

Air El Aire: Outside, Inside, and All Around Afuera, Adentro y En Todos Lados

Learn how erosion has changed the Earth for centuries and still does.

Fans of forensic television programs will love this Crabtree title! Forensic Evidence: Blood feat...

Beep beep. Zing. Vroom. Electricity makes your computer glow. It makes your toast pop up and your...

The states of matter (solids, liquids, and gases) are explained and demonstrated. Includes an exp...

Discover the powerful world of energy! This nonfiction picture book introduces budding scientists...

Features: Reading Consultants - Table of Contents - Activities - Fun Facts - Glossary - Index Sta...

Features: Reading Consultants - Table of Contents - Activities - Fun Facts - Glossary - Index Sta...

Features: Reading Consultants - Table of Contents - Activities - Fun Facts - Glossary - Index Sta...

Looks through the microscope at hair samples that reveal tell-tale DNA and fibers whose material ...

A simple look at what makes us feel hot and cold.