"Learn all about unmanned aircraft, or drones, including how they were invented and improved over time, what they are used for today, and why they have sometimes caused controversy"--

Introduces readers to fishes.

"Learn how to complete DIY projects dealing with electricity. Along the way, get a look at some of history's most incredible inventions and scientific discoveries."--

"Autism affects millions of people around the world by limiting their ability to communicate and interact socially with other people. Some face minor difficulties, while others are so severely affected that they require special assistance throughout their lives. Readers will find out what it is like to live with autism, what causes this condition, how it is treated, and more."--Publisher's website.

"This book details the science of electricity and magnetism. It explains how these forces work, how they are related, what uses people have found for them, and more."--

"This book details the science of light. It explains where this energy comes from, how it affects life on Earth, what uses people have found for it, and more."--

Presents the basic principles of gravity, a history of how the theory was developed, the revisions made by Albert Einstein, and descriptions of how gravity works in space, with examples from America's space program.

"Shows the reader how to make slippery slime."--