Published in 2018 by Britannica Educational Publishing a trademark of Encyclopædia Britannica Inc in association with The Rosen Publishing Group Inc 29 East 21st Street New York NY 10010 Copyright 2018 The Rosen Publishing Group Inc and Encyclopædia Britannica Inc Encyclopædia Britannica Britannica and the Thistle logo are registered trademarks of Encyclopædia Britannica Inc All rights reserved Distributed exclusively by Rosen Publishing To see additional Britannica Educational Publishing titles go to rosenpublishing com First Edition Britannica Educational Publishing J E Luebering Executive Director Core Editorial Mary Rose McCudden Editor Britannica Student Encyclopedia Rosen Publishing Amelie von Zumbusch Editor Nelson Sá Art Director Nicole Russo-Duca Designer Cindy Reiman Photography Manager Sherri Jackson Photo Researcher Library of Congress Cataloging-in-Publication Data Names Steinberg Lynnae D 1957 author Title What is heat energy Lynnae D Steinberg Description New York Britannica Educational Publishing in Association with Rosen Educational Services 2018 Series Let’s find out Forms of energy Audience Grades 1-4 Includes bibliographical references and index Identifiers LCCN 2016058234 ISBN 9781680487046 eBook Subjects LCSH Heat Juvenile literature Thermodynamics Juvenile literature Classification LCC QC256 S735 2018 DDC 536 dc23 LC record available at https lccn loc gov 2016058234 Photo credits Cover p 1 iStockphoto com MrsVega p 4 muzsy Shutterstock com pp 5 10 15 17 22 28 Encyclopedia Britan nica Inc p 6 Vangelis Vassalakis Shutterstock com p 7 Vlue Shutterstock com p 8 Klagyivik Viktor Shutterstock com p 9 Bryan Busovicki Fotolia p 11 ID1974 Shutterstock com p 12 Ewais Shutterstock com p 13 Kei Shooting Shutterstock com p 14 Maria Uspenskaya Shutterstock com p 16 Zoonar RF Thinkstock p 18 Adstock RF p 19 Cynthia Farmer Shutterstock com p 20 Annika Erickson Blend Images Getty Images p 21 koya79 Fotolia p 23 Rob Marmion Shutterstock com p 24 Carolyn Franks Shutter stock com p 25 James Marvin Phelps Shutterstock com p 26 stoffies Fotolia p 27 stefan11 Shutterstock com p 29 LifetimeStock Shutterstock com interior pages background image fluke samed Shutterstock com
Contents What Is Energy Sources of Energy Molecules in Motion States of Matter Conduction Convection Radiation Measuring Heat Temperature Scales Hardworking Heat How Heat Impacts Our World Glossary For More Information Index 4 8 10 12 14 16 18 20 22 24 26 30 31 32
What Is energy Playing soccer takes a lot of energy You need energy to run and to kick the ball All that activity may make you feel hot Heat itself is a form of energy Energy is another word for power It makes things move machines work and living things grow There are many forms of energy including chemical energy sound energy electrical energy light energy and heat energy Heat energy is also called thermal energy Each of these forms of energy can do work All forms of energy can be described as either potential energy or kinetic energy Potential energy is stored energy An object Every time your body moves you are generating heat energy 4
Can you think of other examples of potential and kinetic energy with potential energy has the ability or potential to move Kinetic energy is the energy of moving things All moving objects have kinetic energy Think About It Which of the forms of energy named on page four can be described as potential energy Which can be described as kinetic energy 5
