Ebook About electricity

Genre Nonfiction Comprehension Skill Draw Conclusions Text Features · Captions · Diagrams · Labels · Glossary Science Content Energy Scott Foresman Science 1.10 ì<(sk$m)=bdhgcg< +^-Ä-U-Ä-U Vocabulary battery electricity energy fuel heat shadow Extended Vocabulary electrical objects outlet plug power plants switch vehicles wires by Jessica Quilty Picture Credits Every effort has been made to secure permission and provide appropriate credit for photographic material. The publisher deeply regrets any omission and pledges to correct errors called to its attention in subsequent editions. Photo locators denoted as follows: Top (T), Center (C), Bottom (B), Left (L), Right (R), Background (Bkgd). 4 Owaki - Kulla/Corbis; 5 Jose Luis Pelaez, Inc./Corbis; 11 (BL) Getty Images; 13 Craig Hutchins; Eye Ubiquitous/Corbis. Unless otherwise acknowledged, all photographs are the copyright © of Dorling Kindersley, a division of Pearson. ISBN: 0-328-13762-6 Copyright © Pearson Education, Inc. All Rights Reserved. Printed in the United States of America. This publication is protected by Copyright, and permission should be obtained from the publisher prior to any prohibited reproduction, storage in a retrieval system, or transmission in any form by any means, electronic, mechanical, photocopying, recording, or likewise. For information regarding permission(s), write to Permissions Department, Scott Foresman, 1900 East Lake Avenue, Glenview, Illinois 60025. 3 4 5 6 7 8 9 10 V010 13 12 11 10 09 08 07 06 05 What You Already Know Heat moves from warm to cold. Heat comes from the light of the Sun. It warms Earth. Heat can come from other places too. Light is a kind of energy. Energy can change things. Energy from the light of the Sun can change the temperature. Light comes from many different things. Light can go through some things. Light cannot go through other things. Shadows are made when light cannot pass through something. Shadows are big when the light is close. Shadows are small when the light is far away. People can make shadows. 2 Fuel is anything that is burned to make heat or power. Fuel gives energy. Cars use gasoline for fuel. People need energy. People get energy from food. People need energy for everything they do. Some toys and games need energy to work. A battery stores energy. You can use batteries to make your toys and games work! Electricity has energy too. Many things get energy from electricity. You are now about to read more about electricity! This toy needs energy from a battery to work. 3 Our Electric World Batteries make this machine work. Many objects need energy to work. We use some of these objects all the time. Many of these things get energy from electricity. You are probably using electricity right now. Are there any lights on? These lights need energy to work. They get this energy from electricity. There are different ways to get electricity. Plug in a light. This connects it to power lines. Electricity goes from the line to the light. Or use a battery. Batteries store energy. They give electricity to things that are not connected to lines. 4 5 Electric Power Electricity is made from different things in nature. Coal, gas, and oil are all used to make electricity. Power plants are places that make electricity. Power plants use fuels to make electricity. We burn fuel to make heat. Heat has energy. Electricity has energy. Heat is turned into electricity in power plants. Electric power plant Electricity makes this computer work. Electricity leaves power plants. It moves in power lines. It goes to houses and other places. Electricity moves in wires. Wires are connected to outlets in walls. Some toys and machines have plugs. Grown-ups put these plugs into outlets. 6 7 ... - tailieumienphi.vn