Lets Explore
Sound
by Walt K. Moon
Note to Educators:
Throughout this book, youll find critical thinking questions. These can be used to engage young readers in
thinking critically about the topic and in using the text and photos to do so.
Copyright 2018 by Lerner Publishing Group, Inc.
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Library of Congress Cataloging-in-Publication Data
Names: Moon, Walt K., author.
Title: Lets explore sound / by Walt K. Moon.
Description: Minneapolis : Lerner Publications, [2018] | Series: Bumba books.
A first look at physical science | Audience: A ges 47. | Audience:
K to Grade 3. | Includes bibliographical references and index.
Identifiers: LCCN 2017019800 (print) | LCCN 2017024752 (ebook) | ISBN
9781512482775 (eb pdf) | ISBN 9781512482713 (lb : alk. paper) | ISBN
9781541510869 (pb : alk. paper)
Subjects: LCSH: SoundJuvenile literature.
Classification: LCC QC225.5 (ebook) | LCC QC225.5 .M63 2018 (print) | DDC
534dc23
LC record available at https://lccn.loc.gov/2017019800
Manufactured in the United States of America
1 CG 12/31/17
Expand learning beyond the printed book. Download free, complementary
educational resources for this book from our website, www.lerneresource.com.
T able of
Contents
What Is
Sound?
Sound is everywhere.
Everything we hear is sound.
Objects can move back and
forth very fast.
This makes the air around
them vibrate.
We hear vibrations
as sound.
Clapping makes
noise. What other
hand movements
make sound?
Our ears hear the vibrations.
They send signals to the brain.
The brain knows vibrations as sound.
Our ears cannot hear all sounds.
Some things vibrate too quickly or
too slowly.
Dogs may hear these sounds.
Do you think
other animals
can hear sounds
humans cannot?
Music is made up of sounds.
Instruments make different notes.
Hitting a drum makes vibrations.
People make sounds.
Voices are important sounds.
They let us talk to one another.
People speak on phones.
Sound travels through devices.
Many objects make sounds.
Fans buzz quietly.
Vacuums hum loudly.
What other
everyday objects
make sounds?
Sounds fill our world.
Birds chirp.
Wind blows through trees.
What sounds do you hear
every day?
Picture Quiz
Which of these pictures shows something
making a sound?
Picture Glossary
devices
pieces of equipment,
such as telephones
and headphones
instruments
objects that are used
to make music
signals
messages that
give information
vibrate
to move back
and forth rapidly
Read More
Boothroyd, Jennifer. Vibrations Make Sound. Minneapolis: Lerner Publications,
205.
Johnson, Robin. What Are Sound Waves? New York: Crabtree Publishing
Company, 2014.
Pfeffer, Wendy. Sounds All Around. New York: HarperCollins, 216.
Index