Describes how a volcano is formed, the different types of volcanoes, where the most active volcanoes are found, and what happens when a volcano erupts.

What makes your body move? What makes your legs and arms move up and down? Muscles do the trick! Read this book to learn more about your strong muscles and how they work.

"Light can travel faster than anything else in the universe. It makes it possible for you to wear a different colored shirt every day. But what exactly is light and where does it come from? One thing is for sure, light makes our world a brighter place."--

"Have you ever wondered how the human brain works? What about your television? It's a complicated answer, but circuits are a simple way to explain it. Circuits make it possible to turn on a light. They make is possible for you to use your digital devices. Increase your knowledge about circuits and find the answers to your most electrifying questions"--

"It is time to learn about water."--

"It is time to learn about living things."--

"Computers, refrigerators, and lights. They are all powered by electricity. Many everyday objects need electricity. But what exactly is it and how does it work? Dig deeper into understanding the beautiful mystery of electricity"--

"It is time to learn how to describe things."--

"It is time to learn about things we use from nature."--

Earth is a planet, moving around the sun. But Earth is not the only planet in our solar system! It is one of eight planets, many moons, and other objects that orbit our sun. The planets have much in common, but they have many differences, too. In this book, learn all about these exciting planets.