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1、www.readinga-Sound All AroundA Reading AZ Level M Leveled BookWord Count:432SoundAll AroundVisit www.readinga- for thousands of books and materials.Written by Penny AtchesonLEVELED BOOK MWritten by Penny AtchesonSoundAll AroundSound All AroundLevel M Leveled Book Learning AZWritten by Penny Atcheson
2、Illustrated by Craig FrederickAll rights reserved.www.readinga-Photo Credits:Front cover,back cover,title page,pages 3,4(both top,bottom right,5,6,7(both top),8,10,11,13,14,15(bottom left):ArtToday;pages 4(bottom left),7(middle right),15(top right,bottom left):Hemera Technologies/Jupiterimages Corpo
3、ration;page 7(bottom left):Royalty-Free/CORBIS;pages 7(bottom right),9:Craig Frederick/Learning A-Zwww.readinga-CorrelationLEVEL ML1924Fountas&PinnellReading RecoveryDRA34Table of ContentsWhat Makes Sound?.4What Is Sound?.8Different Sounds .11 Ears and Sound .13Conclusion .15Glossary .16Index .16Wha
4、t Makes Sound?Crash,boom,bam,bang,swoosh,and splashsounds are all around us.Sound All Around Level M34Table of ContentsWhat Makes Sound?.4What Is Sound?.8Different Sounds .11 Ears and Sound .13Conclusion .15Glossary .16Index .16What Makes Sound?Crash,boom,bam,bang,swoosh,and splashsounds are all aro
5、und us.Sound All Around Level M56People,animals,and objects make sounds.Even the weather makes sound.Sounds can be loud or soft.They can be pleasant or unpleasant.Animals use sound in many ways.Humans use sound to communicate their thoughts and feelings.Other animals use sound to communicate,too.The
6、y use sound to defend themselves,attract a mate,or signal a warning.A prairie dog makes a noise to warn that danger is near.A girl makes sound with an ukulele.Rain makes sound when it hits the ground.Sound All Around Level M56People,animals,and objects make sounds.Even the weather makes sound.Sounds
7、 can be loud or soft.They can be pleasant or unpleasant.Animals use sound in many ways.Humans use sound to communicate their thoughts and feelings.Other animals use sound to communicate,too.They use sound to defend themselves,attract a mate,or signal a warning.A prairie dog makes a noise to warn tha
8、t danger is near.A girl makes sound with an ukulele.Rain makes sound when it hits the ground.Sound All Around Level M78Humans have invented many things to make sounds.Drums,bagpipes,and stringed instruments make music.Horns,bells,and sirens sound warnings or call people to events.Alarm clocks signal
9、 with music or loud beeps that it is time to get out of bed.What Is Sound?Sound is made when an object vibrates,or moves back and forth very quickly.People make sound to talk when air vibrates vocal cords in their throats.Different vibrations in the vocal cords make different sounds.vocal cordsesoph
10、agustonguewindpipeVocal cords in the windpipe vibrate to make sounds similar to the way a bees wings vibrate to make sound.Sound All Around Level M78Humans have invented many things to make sounds.Drums,bagpipes,and stringed instruments make music.Horns,bells,and sirens sound warnings or call people
11、 to events.Alarm clocks signal with music or loud beeps that it is time to get out of bed.What Is Sound?Sound is made when an object vibrates,or moves back and forth very quickly.People make sound to talk when air vibrates vocal cords in their throats.Different vibrations in the vocal cords make dif
12、ferent sounds.vocal cordsesophagustonguewindpipeVocal cords in the windpipe vibrate to make sounds similar to the way a bees wings vibrate to make sound.Sound All Around Level M910A vibrating object makes the air around it move.This is how sound travels.It moves outward in all directions.For example
13、,when a tree crashes to the ground,the air around it vibrates.When the vibrating air reaches your ear,you hear the sound of a crashing tree.The vibrating air is called sound waves.Sound waves also travel through solids and liquids.If there is no one around to hear the tree crash,will it make a sound
14、?Try This!Feel the Vibration Get two rubber bands,one thick and one thin.Stretch them over an open shoebox.Pluck each rubber band.Listen to the sounds they make.How are the sounds different?Why?Sound All Around Level M910A vibrating object makes the air around it move.This is how sound travels.It mo
15、ves outward in all directions.For example,when a tree crashes to the ground,the air around it vibrates.When the vibrating air reaches your ear,you hear the sound of a crashing tree.The vibrating air is called sound waves.Sound waves also travel through solids and liquids.If there is no one around to
16、 hear the tree crash,will it make a sound?Try This!Feel the Vibration Get two rubber bands,one thick and one thin.Stretch them over an open shoebox.Pluck each rubber band.Listen to the sounds they make.How are the sounds different?Why?Sound All Around Level M1112Different SoundsNot all sound is alik
17、e.Some sounds are loud.Others are quiet.The loudness of sound is called volume.The more air that vibrates,the louder the volume.For example,a lions roar vibrates more air than a buzzing bees wings.Sound also can be high or low.This is called pitch.Pitch depends onhow fast something vibrates.Sirens v
18、ibrate quickly and have a high pitch.Bass drums vibrate slowly and have a low pitch.Math Minute It takes sound about five seconds to travel one mile.How long would it take for a sound to travel 10 miles?LionBeeMi1Mi2Mi3Mi4Mi5Mi6Mi8Mi7Mi9Mi10Hint:Use the mile markers to count by fives to find the ans
19、wer.HONK!HONK!Sound All Around Level M1112Different SoundsNot all sound is alike.Some sounds are loud.Others are quiet.The loudness of sound is called volume.The more air that vibrates,the louder the volume.For example,a lions roar vibrates more air than a buzzing bees wings.Sound also can be high o
20、r low.This is called pitch.Pitch depends onhow fast something vibrates.Sirens vibrate quickly and have a high pitch.Bass drums vibrate slowly and have a low pitch.Math Minute It takes sound about five seconds to travel one mile.How long would it take for a sound to travel 10 miles?LionBeeMi1Mi2Mi3Mi
21、4Mi5Mi6Mi8Mi7Mi9Mi10Hint:Use the mile markers to count by fives to find the answer.HONK!HONK!Sound All Around Level M1314The inner parts of the ear are very sensitive.Very loud sounds can hurt your ears.Be careful around loud noises.Cover your ears with your hands,or wear coverings on your ears such
22、 as earphones or earplugs.Or simply move away from the loud sounds.Ears and SoundThe outside of your ear is shaped to collect sound waves.The sound waves move from outside the ear to inside the ear.Tiny bones inside vibrate when they are struck by sound waves.The vibrating bones send messages throug
23、h nerves to your brain.Your brain then interprets the messages as noise,music,talking,or other sounds.Protecting your ears from loud noises keeps them working well.Humans and other animals use their ears to hear.ear bonesinsideyour earnerves that send messages to the brainSound All Around Level M131
24、4The inner parts of the ear are very sensitive.Very loud sounds can hurt your ears.Be careful around loud noises.Cover your ears with your hands,or wear coverings on your ears such as earphones or earplugs.Or simply move away from the loud sounds.Ears and SoundThe outside of your ear is shaped to co
25、llect sound waves.The sound waves move from outside the ear to inside the ear.Tiny bones inside vibrate when they are struck by sound waves.The vibrating bones send messages through nerves to your brain.Your brain then interprets the messages as noise,music,talking,or other sounds.Protecting your ea
26、rs from loud noises keeps them working well.Humans and other animals use their ears to hear.ear bonesinsideyour earnerves that send messages to the brainSound All Around Level M1516ConclusionWe are surrounded by sounds.Vibrations make loud,quiet,high,and low sounds.Our ears pick up these sounds,and
27、our brain tells us what they are.Enjoy the many sounds of the world and be careful with your ears!Glossarycommunicate to make known(p.6)pitch highness or lowness of sound(p.11)pleasant nice,enjoyable,or satisfying(p.5)pluck to pull at and let go(p.9)sensitive easily damaged(p.14)sound waves waves ma
28、de when something vibrates(p.10)vibrates moves back and forth rapidly(p.8)vocal cords membranes in the throat that produce sound when they are vibrated by breath(p.8)volume how loud a sound is(p.11)Indexbrain,13bones,13ear(s),13high sound,11loud noises,14low sound,11pitch,11sound waves,10,13 use of
29、sound,6,7vibrate(-ing)(s),8-11,13,15Sound All Around Level M1516ConclusionWe are surrounded by sounds.Vibrations make loud,quiet,high,and low sounds.Our ears pick up these sounds,and our brain tells us what they are.Enjoy the many sounds of the world and be careful with your ears!Glossarycommunicate
30、 to make known(p.6)pitch highness or lowness of sound(p.11)pleasant nice,enjoyable,or satisfying(p.5)pluck to pull at and let go(p.9)sensitive easily damaged(p.14)sound waves waves made when something vibrates(p.10)vibrates moves back and forth rapidly(p.8)vocal cords membranes in the throat that pr
31、oduce sound when they are vibrated by breath(p.8)volume how loud a sound is(p.11)Indexbrain,13bones,13ear(s),13high sound,11loud noises,14low sound,11pitch,11sound waves,10,13 use of sound,6,7vibrate(-ing)(s),8-11,13,15Sound All Around Level MWritten by Penny AtchesonSoundAll AroundSound All AroundL
32、evel M Leveled Book Learning AZWritten by Penny AtchesonIllustrated by Craig FrederickAll rights reserved.www.readinga-Photo Credits:Front cover,back cover,title page,pages 3,4(both top,bottom right,5,6,7(both top),8,10,11,13,14,15(bottom left):ArtToday;pages 4(bottom left),7(middle right),15(top ri
33、ght,bottom left):Hemera Technologies/Jupiterimages Corporation;page 7(bottom left):Royalty-Free/CORBIS;pages 7(bottom right),9:Craig Frederick/Learning A-Zwww.readinga-CorrelationLEVEL ML1924Fountas&PinnellReading RecoveryDRAwww.readinga-Sound All AroundA Reading AZ Level M Leveled BookWord Count:432SoundAll AroundVisit www.readinga- for thousands of books and materials.Written by Penny AtchesonLEVELED BOOK M