GenreGenre Comprehension SkillComprehension Skill Text FeaturesText Features Science ContentScience Content Nonfi ctionNonfi ction RetellRetell • Call Outs• Call Outs TechnologyTechnology • Captions• Captions • Labels• Labels • Glossary• Glossary Scott Foresman Science 2.13Scott Foresman Science 2.13 ì<(sk$m)=bdiagh<ì<(sk$m)=bdiagh<ISBNISBN 0-328-13806-10-328-13806-1 +^-Ä-U-Ä-U+^-Ä-U-Ä-U
Vocabulary What did you learn? engine invent 1. What are some examples of manufacture technology? meteorologist satellite 2. What is something that is technology manufactured using machines? by Wolf Shelton transportation vaccine 3. Technology is all around us. On your own sheet of paper, write about how you use technology. 4. Retell Read page 13. In your own words retell how a meteorologist uses technology. 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). 7 (CL) Pallava Bagla/Corbis; 8 Pete Saloutos/Corbis. Scott Foresman/Dorling Kindersley would also like to thank: 13 NASA/DK Images. Unless otherwise acknowledged, all photographs are the copyright © of Dorling Kindersley, a division of Pearson. ISBN: 0-328-13806-1 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
Technology We can see technology all around us. People drive cars. They use computers. They watch TV. You probably have a refrigerator and a stove in your house. Technology means using science to help us solve problems. A train is an invention that we use for traveling. People use technology to invent things. Invent means to make something for the fi rst time. Inventions can be things we need. Bicycles and trains are inventions we need to travel. Inventions can be things we use for fun, such as a skateboard or a compact disc player. skateboard 2 3
Transportation Transportation is the way people or Safety and Pollution things move from place to place. Technology Seat belts and air bags have made car travel has changed transportation. It has made safer. New cars that transportation faster and safer. The pictures make less pollution below show one way transportation has changed. are being invented. Many machines have engines. This car has an engine. An engine is a machine that does work or makes something move. Early trains used steam engines to move. Today, most machines use gasoline or electricity to move. In the past, people used horses for transportation. Today, we use cars, trains, boats, and planes. 4 5
Technology Helps Us Technology has helped people live healthier lives. Vaccines were invented because of technology. A vaccine is a medicine that can keep people from getting sick. vaccine Maybe you received a vaccine for a disease called measles. This special computer helps people who are blind read and write. hearing aid Doctors use technology to help people hear, see, and walk. A hearing aid is an invention that helps people hear better. 6 7
Technology has helped people invent An X-ray machine is an invention that can special tools. Doctors use special tools to take pictures of broken bones. The doctor can see inside a person’s body. This way they see the broken bones even though they are inside can tell how to help a sick person. the person’s body. Then the doctor can make a plan to fi x these bones. An X-ray machine helps doctors to see inside a person’s body. 8 9
Communication Telephones were invented in 1876. Technology has helped people make telephones smaller and People communicate, or talk better. Today, many people use cell phones to each other, in many ways. or computers to communicate. Technology has changed the way people communicate. People used to communicate only by mail. Technology helped people invent other mail ways to communicate. cell phone Computers were invented in 1946. The fi rst computer fi lled one whole room! Today’s computers are much smaller. early telephone 10 11
Technology helps people do work. A meteorologist is a person who studies weather using special machines. A satellite is an object that revolves around another object. This satellite sends pictures from space back to Earth. Meteorologists can learn about the weather from these pictures. Technology can make fun hand-held video game machines. Technology For Fun and Work People can have fun with technology. Some games use technology. People can watch TV and take photos because of technology. Technology can make our lives satellite easier. This vacuum cleaner makes cleaning easier. 12 13
Making Things Technology is all around us. It has changed Manufacture means to make things. the way people live. Pay attention to People manufacture things by hand or the tools you use for fun and by machine. Sometimes the materials used for work. When do you to manufacture things are found in nature. use technology? Sometimes they are made by people. The pencils below were manufactured with the help of machines. They are made from wood. Wood is found in nature. The erasers are made of rubber. Most rubber is made by people. rubber erasers wooden pencils Roller coasters were invented using technology. 14 15
GlossaryVocabulary What did you learn? engine invent 1. What are some examples of engine a machine that does work technology? manufacture or makes something move meteorologist satellite 2. What is something that is invent to make something for manufactured using machines? technology the first time transportation vaccine 3. Technology manufacture to make by hand or by machine is all around us. On your own sheet of paper, write about how meteorologist a person who studies weather you use technology. satellite an object that revolves around 4. Retell Read page 13. In another object your own words retell how a meteorologist uses technology. technology using science to help us solve problems 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).transportation the way people or things move 7 (CL) Pallava Bagla/Corbis; 8 Pete Saloutos/Corbis. Scott Foresman/Dorling Kindersley would also like to thank: 13 NASA/DK Images.from place to place Unless otherwise acknowledged, all photographs are the copyright © of Dorling Kindersley, a division of Pearson. vaccine a medicine that can help prevent a disease ISBN: 0-328-13806-1 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 0516
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