How are sounds produced? Does light travel in a specific path? Are all shadows black? Using easy-to-find materials and the scientific method, you can learn the answers to these questions and more. If you are interested in competing in science fairs, the book contains lots of great suggestions and ideas for further experiments.

"Explains how to use the scientific method to conduct several science experiments about light, sound, and waves. Includes ideas for science fair projects"--Provided by publisher.

Unlock the secrets of circuits, batteries, and magnets! Learn all about current, static charges, motors, and more! All you need are some common household materials. If you are interested in competing in a science fair, you can get many great ideas that will help you create a unique, award-winning science project.

How can you tell if a moving object is accelerating? Why are pulleys used to lift objects? Can you observe weightlessness in everyday situations? Using easy-to-find materials and the scientific method, you can learn the answers to these questions and more. If you are interested in competing in science fairs, the book contains lots of great suggestions and ideas for further experiments.

Do the properties of metal change when heated? Why do some objects float in water while others sink? Can you measure the density of a gas? Using easy-to-find materials and the scientific method, readers can learn the answers to these questions and more. If readers are interested in competing in science fairs, this book contains great suggestions and ideas for further experiments.

"Harried parents or teachers seeking ideas for science fair projects will find this resource a godsend." --Science Books & Films "An excellent resource for students looking for ideas." --Booklist "Useful information and hints on how to design, conduct, and present a science project." --Library Journal "Sound advice on how to put together a first-rate project." --Alan Newman, American Chemical Society Want the inside tips for putting together a first-rate science fair project that will increase your understanding of the scientific method, help you to learn more about a fascinating science topic, and impress science fair judges? The Complete Handbook of Science Fair Projects, newly revised and updated, is the ultimate guide to every aspect of choosing, preparing, and presenting an outstanding science fair project. Special features of this unbeatable guide include: 50 award-winning projects from actual science fairs-including many new project ideas-along with an expanded list of 500 fascinating science fair topics suitable for grades 7 and up Straightforward, highly detailed guidelines on how to develop an outstanding project-from selecting a great topic and conducting your experiment to organizing data, giving oral and visual presentations, and much more The latest ISEF rules and guidelines Updated information on resources and state and regional science fair listings The Complete Handbook of Science Fair Projects gives you all the guidance you'll need to create a science fair project worthy of top honors.

Popular Science gives our readers the information and tools to improve their technology and their world. The core belief that Popular Science and our readers share: The future is going to be better, and science and technology are the driving forces that will help make it better.

Popular Science gives our readers the information and tools to improve their technology and their world. The core belief that Popular Science and our readers share: The future is going to be better, and science and technology are the driving forces that will help make it better.