A big city garbage truck makes its rounds, consuming everything from apple cores and banana peels to leftover ziti with zucchini.

Kidneys are one of the unsung heroes of the body. Some of their jobs may not be pretty, but they are absolutely essential to the healthy functioning of our bodies. From processing waste to producing hormones that keep body systems well regulated, the kidneys are always busy. This introductory volume explains it all through kid-friendly text and cool diagrams that will invite even reluctant readers to take a look.

This book exposes children to the most exposed, yet underappreciated organ-our skin. The integumentary system is the body's first line of defense against disease and bacteria. It's also the liaison between the external world and our other invaluable body systems. This book discusses the different layers of skin and each layer's function. It explains how things can go wrong, and offers advice on ways to keep the skin and body healthy.

The sun, furnaces, and ovens all make heat. But have you ever watched matter expand when it is heated? Or seen how different kinds of matter conduct heat? Now you can! Explore heat with the fun experiments you'll find in this book. As part of the Searchlight Books™ collection, this series sheds light on a key science question―How Does Energy Work? Hands-on experiments, interesting photos, and useful diagrams will help you find the answer!

An introduction to magnetism that explains what it is, what materials are magnetic, how magnets work, what magnetic poles are, and what the different types of magnets are.

Starting with tiny molecules, this book explains the main concepts of sound and furthers understanding through a series of easy-to-do experiments.

Audisee® eBooks with Audio combine professional narration and text highlighting to engage reluctant readers! What do hammers, wheelbarrows, and brooms have in common? All of them are levers! Levers are simple machines. They help us to do jobs more easily. But don't take our word for it. Put levers to the test with the fun experiments you'll find in this book. As part of the Searchlight Books™ collection, this series sheds light on a key science...

Audisee® eBooks with Audio combine professional narration and text highlighting to engage reluctant readers! What do jar tops and water-bottle lids have in common? Both of them are screws! Screws are simple machines. They help us to do jobs more easily. But don't take our word for it. Put screws to the test with the fun experiments you'll find in this book. As part of the Searchlight Books™ collection, this series sheds light on a key science question―How...

What do bicycles, doorknobs, and screwdrivers have in common? All of them use wheels and axles to perform work! Wheels and axles are simple machines. They help us to do jobs more easily. But don't take our word for it. Put wheels and axles to the test with the fun experiments you'll find in this book. As part of the Searchlight Books™ collection, this series sheds light on a key science question―How Do Simple Machines Work? Hands-on experiments,...

Audisee® eBooks with Audio combine professional narration and text highlighting to engage reluctant readers! The digestive system is made up of the tongue, the esophagus, the stomach, the intestines, and other parts. But what does the digestive system do? And how do its parts work together to keep your body healthy? Explore the digestive system in this engaging and informative book.