Rebecca Hunter

Explains sound to young readers and includes six easy, science projects.

Describes earthquakes and volcanoes as well as their impact on people. Includes projects.

This book describes how pollution affects the land, water, and air, and discusses ways in which everyone can help with global conservation.

Investigates the nature and behavior of the materials in our world, including what causes a liquid to change into a gas and how materials can be mixed together or separated.

From sound energy and the light spectrum to genetic coding and patterns of inheritance, topics in this series expand on the history of science in the 21st century and examine what they may hold for the future. Each title in this bold series offers a close look at key scientific topics and how they have affected science today.