Del Norte Public Library

This book explains that a machine changes a small force into a large force, that a force called friction slows moving things down, and that we notice the force of gravity as we move around on Earth.

From kinetic to heat, readers will explore energy, how it works, and the various kinds in this stimulating book! Fossil fuels, potential energy, nuclear energy, wind and wave energy, and recycling are some of the topics that are discussed through a variety of intriguing facts, stunning photos and charts, and supportive text. Readers will feel confident in their understanding of the content with the accommodating glossary, index, and hands-on lab activity!...

Describes the properties of sound and how sound works.

Describes what energy is, where it can be found, and how it is used in everyday life.

"Presents several science experiments and project ideas about forces and motion"--Provided by publisher.

"Presents several science projects and science fair ideas that use physics"--Provided by publisher.

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

"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.

Describes why things float or sink and presents simple experiments to demonstrate the scientific principles involved.

Contains instructions for simple chemistry projects and experiments, each with background information, featuring explorations of atoms, chemical reactions, acids and bases, proteases, and more.