Rourke Classroom - SMCPS · Magnet Power Silverman Rourke Classroom ... What is the difference...
Transcript of Rourke Classroom - SMCPS · Magnet Power Silverman Rourke Classroom ... What is the difference...
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www.rourkeclassroom.com
Magnet P
ower
Silverm
an
Rourke C
lassroom
Have you ever wondered about the science all around us? Plants grow and change, the Sun rises to warm the Earth, and matter changes from one form to another. Investigate Life, Physical, Earth, and Technology science topics with Rourke’s My Science Library. This library explores NSTA science standards with engaging text and colorful images to support readers from kindergarten to third grade. Are you ready to investigate?
Books in My Science Library:Animal AdaptationsAnimal HabitatsEarth’s Changing SurfaceFloating and SinkingI Use a MouseLiving or Nonliving?
Magnet PowerMatter Comes in All ShapesMe and My Shadow: A Book about LightPlant AdaptationsPlant Life CyclesWhat’s the Weather Like Today?
Printed in China
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Comprehension & Extension:
• Summarize:
How does a magnet work? What is the difference between repel and attract?
• TexttoSelfConnection:
Have you ever used a magnet? What can you do with a magnet?
• Extension:Five Facts!
Write five facts about magnets that you learned from the book.
Teaching Focus:
Vocabulary: Opposites
Look in the book. Find
the opposite ofnorth,
attract,and pull.
Level:JWordCount:220100thWord:two (page 12)
Sight Words I Used:doeshasotherthatwhat
Vocabulary Check:
Use glossary words in a sentence.
Levels 1
-2
Levels 1
-2
Tips on Reading this Book with Children:
1. Readthetitle.
Predictions – after reading the title have children make predictions about the book.
2. Takeabookwalk.
Talk about the pictures in the book. Use content words from the book as you take the picture walk.
Have children find one or two words they know as they do a picture walk.
3. Havechildrenfindwordstheyrecognizeinthetext.
4. Havechildrenreadtheremainingtextaloud.
5. StrategyTalk–usetoassistchildrenwhilereading. • Getyourmouthready • Lookatthepicture • Think…doesitmakesense • Think…doesitlookright • Think…doesitsoundright • Chunkit–bylookingforapartyouknow
6. Readitagain.
7. Completetheactivitiesattheendofthebook.My
ScienceLibrary
MyScienceLibrary
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Magnet Power
www.rourkeclassroom.com
by Buffy Silverman
Science Content Editor: Kristi Lew
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www.rourkeclassroom.com - [email protected] Office Box 643328 Vero Beach, Florida 32964
Science content editor: Kristi LewA former high school teacher with a background in biochemistry and more than 10 years of experience in cytogenetic laboratories, Kristi Lew specializes in taking complex scientific information and making it fun and interesting for scientists and non-scientists alike. She is the author of more than 20 science books for children and teachers.
© 2012 Rourke Publishing LLC
All rights reserved. No part of this book may be reproduced or utilized in any form or by any means, electronic or mechanical including photocopying, recording, or by any information storage and retrieval system without permission in writing from the publisher.
www.rourkeclassroom.com
Photo credits: Cover © Sideways Design, iadams, Matthew Cole, Cover logo frog © Eric Pohl, test tube © Sergey Lazarev; Page 5 © Matthew Cole; Page 7 © MilanB; Page 9 © Morgan Lane Photography, Kristina Postnikova, Olaru Radian-Alexandru, vision77; Page 11 © Marcel Mooij; Page 12 © April Cat; Page 13 © Blue Door Publishing; Page 15 © Blue Door Publishing; Page 17 © Andrea Danti; Page 19 © Blue Door Publishing, stocknshares; Page 21 © Ilya Andriyanov
Editor: Kelli Hicks
Cover and page design by Nicola Stratford, bdpublishing.com Library of Congress Cataloging-in-Publication Data
Silverman, Buffy. Magnet power / Buffy Silverman. p. cm. -- (My science library) Includes bibliographical references and index. ISBN 978-1-61741-740-5 (Hard cover) (alk. paper) ISBN 978-1-61741-942-3 (Soft cover) 1. Magnets--Juvenile literature. 2. Magnetic pole--Juvenile literature. 3. Magnetism--Juvenile literature. I. Title. QC757.5.S55 2012 538’.4--dc22 2011003873
Rourke Publishing Printed in China, Power Printing Company Ltd Guangdong Province042011042011LP
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What Is a Magnet? ............4Magnets Have Poles ........10The Earth Is a Magnet .....16Show What You Know .... 22Glossary .............................. 23Index .................................... 24
Table of Contents
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4
Nails dangle from a magnet. What holds the nails on the magnet? A magnetic field pulls the nails to the magnet.
What Is a Magnet?
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5
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A magnet has a force around it. You cannot see the force. The force is called a magnetic field.
6
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7
The black dust on this paper
is tiny pieces of iron. The
magnetic force pulls the
iron pieces to the magnet.
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8
All magnets have a magnetic field. The field attracts iron, nickel, and certain other metals.
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9
Look at the objects below.
Why aren’t the block,
marbles, and dice stuck
to the magnet?
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10
What happens if two magnets are held together? Sometimes they pull together. Sometimes they push apart.
Magnets Have Poles
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11
This pyramid was made
with yellow magnets and
steel balls. The ends of
the magnets pull together.
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12
A magnet has two ends, called poles. One end is called the north pole (N). The other end is called the south pole (S).
north pole (N) south
pole (S)
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13
The north pole of one magnet attracts the south pole of another magnet.
The north pole of one magnet and the south
pole of another magnet
will pull together.
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14
Poles that are different pull together. Poles that are the same push apart. They repel each other.
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15
Can you bring the north
ends of two magnets together? No! The
magnets push apart.
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16
The Earth acts like a giant magnet. The Earth has two magnetic poles. Its magnetic field stretches out into space.
The Earth Is a Magnet
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17
magnetic north pole
magneticsouth pole
magnetic field
magnetic field
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18
Let a magnet swing on a string. The north pole of the magnet moves. It is pulled toward the Earth’s North Pole.
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N S
19
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20
A compass uses the Earth’s magnetic field to tell directions. The needle inside is a magnet. If you hold the compass still, the needle will point north.
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21
For hundreds of years
people have used
compasses to find
their way.
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1. Can you name two objects that a magnet picks up?
2. What happens when the south pole of one magnet is near the north pole of another magnet?
3. Why does a compass point north?
22
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Glossary
attracts (uh-TRAKTS): pulls toward force (FORS): something that pulls or pushes something elsemagnet (MAG-nit): an object that attracts iron and has a magnetic fieldmagnetic field (mag-NEH-tik FEELD): area around a magnet with the power to attract ironpoles (POLES): the two opposite ends of a magnetrepel (rih-PEL): to push away
23
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24
Indexattracts 8, 13 compass 20Earth(s) 16, 18, 20iron 7, 8
Websiteswww.kids-science-experiments.com/invisibleforce.htmlwww.sciencebob.com/experiments/electromagnet.phpwww.bbc.co.uk/schools/ks2bitesize/science/physical_processes/ magnet_springs/play.shtmlwww.bbc.co.uk/schools/ks2bitesize/science/physical_processes/ magnet_springs/read1.shtmlhttp://pbskids.org/zoom/activities/do/funnyfamilyfridgemag.html
About the AuthorWhen Buffy Silverman was a child, one of her prized possessions was a red horseshoe magnet. Now she writes science books for children.
magnetic field 6, 8, 16, 20pole(s) 10, 12, 13, 14, 16, 17, 18repel 14
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Comprehension & Extension:
• Summarize:
How does a magnet work? What is the difference between repel and attract?
• TexttoSelfConnection:
Have you ever used a magnet? What can you do with a magnet?
• Extension:Five Facts!
Write five facts about magnets that you learned from the book.
Teaching Focus:
Vocabulary: Opposites
Look in the book. Find
the opposite ofnorth,
attract,and pull.
Level:JWordCount:220100thWord:two (page 12)
Sight Words I Used:doeshasotherthatwhat
Vocabulary Check:
Use glossary words in a sentence.
Levels 1
-2
Levels 1
-2Tips on Reading this Book with Children:
1. Readthetitle.
Predictions – after reading the title have children make predictions about the book.
2. Takeabookwalk.
Talk about the pictures in the book. Use content words from the book as you take the picture walk.
Have children find one or two words they know as they do a picture walk.
3. Havechildrenfindwordstheyrecognizeinthetext.
4. Havechildrenreadtheremainingtextaloud.
5. StrategyTalk–usetoassistchildrenwhilereading. • Getyourmouthready • Lookatthepicture • Think…doesitmakesense • Think…doesitlookright • Think…doesitsoundright • Chunkit–bylookingforapartyouknow
6. Readitagain.
7. Completetheactivitiesattheendofthebook.My
ScienceLibrary
MyScienceLibrary
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www.rourkeclassroom.com
Magnet P
ower
Silverm
an
Rourke C
lassroom
Have you ever wondered about the science all around us? Plants grow and change, the Sun rises to warm the Earth, and matter changes from one form to another. Investigate Life, Physical, Earth, and Technology science topics with Rourke’s My Science Library. This library explores NSTA science standards with engaging text and colorful images to support readers from kindergarten to third grade. Are you ready to investigate?
Books in My Science Library:Animal AdaptationsAnimal HabitatsEarth’s Changing SurfaceFloating and SinkingI Use a MouseLiving or Nonliving?
Magnet PowerMatter Comes in All ShapesMe and My Shadow: A Book about LightPlant AdaptationsPlant Life CyclesWhat’s the Weather Like Today?
Printed in China