NEW CHAPTER the BIG idea Sound waves transfer energy through vibrations. Sound Sound is a wave. Frequency determines pitch. Intensity determines loudness.

Slides:



Advertisements
Similar presentations
Sound Notes. The Nature of Sound Sound travels in longitudinal waves consisting of oscillating compressions and rarefactions through the air. Sound travels.
Advertisements

Waves 1.1 Waves transfer energy. 1.2 Waves have measurable properties.
Properties of Sound EQ: How does intensity, loudness, frequency and pitch affect sound waves?
How Sound Travels Sound is a mechanical wave It moves by vibrating particles in: –Solids –Liquids –Gases Sound can not travel in a vacuum (empty space)!!!
NEW CHAPTER the BIG idea Sound waves transfer energy through vibrations. Sound Sound is a wave. 2.1 Frequency determines pitch. 2.2 Intensity determines.
Sound and Hearing. Sound Waves Sound waves are mechanical and longitudinal waves What does this tell you about sound waves? Sound waves need a material.
Waves.
Section 1: Sound Preview Key Ideas Bellringer Properties of Sound
17.4 Sound and Hearing Sound waves are longitudinal waves that travel through a medium. Many behaviors of sound can be explained by using a few properties:
Unit 2 Lesson 1 Sound Waves and Hearing
Intensity Determines Loudness
1.Sound must have a medium through which to travel. Through which medium – solid, liquid, or gas – does sound travel faster? 2.How are different musical.
Earthquakes 7.1 Earthquakes occur along faults. 7.2
SOUND Chapter 11.
Energy 3.1 Energy exists in different forms. 3.2
Properties of Matter CHAPTER the BIG idea CHAPTER OUTLINE Matter has properties that can be changed by physical and chemical processes. Matter has observable.
Chapter 16 Sound Waves. I.Sound is a wave. A. Sound is a type of mechanical wave. 1. produced by a vibrating object and travels through matter 2. disturbances.
Mechanical Waves and Sound
Sound Overview The Facts of Sound The Ear and Sound Sound Vocabulary Musical Instruments and Sound.
Forces 11.1 Forces change motion. 11.2
SOUND WAVES, HEARING AND INTERACTIONS
~ Nature of Sound ~ 1. What is sound? 2. Human Hearing
Making Sound a longitudinal wave produced when matter vibrates – this in turn, causes the medium in which it is in to vibrate ex: tuning fork (the matter)
Temperature and Heat 4.1 Temperature depends on particle movement. 4.2
SOUND Can You Hear Me Now?. GOAL 5: Students will describe the characteristics of and investigate Wave Motion, Sound, and Light.  Objective 1: Differentiate.
Jeopardy Vocabulary 1 Vocabulary 2 Sound Waves Doppler Effect&Medium Instruments Q $100 Q $200 Q $300 Q $400 Q $500 Q $100 Q $200 Q $300 Q $400 Q $500.
EQ: How do different mediums affect the speed of sound?
Sound. Speed Factors State of matter  Fastest in a solid; slowest in a gas. Density  Faster in denser substances (iron versus copper). Elasticity 
Sound Chapter Properties of Sound Sound waves – Longitudinal Waves – Caused by vibrations – Carry energy outward, which hit your ear.
The BIG idea CHAPTER OUTLINE NEW CHAPTER Motion CHAPTER The motion of an object can be described and predicted. An object in motion changes position. Speed.
SOUND.
Ocean Systems CHAPTER the BIG idea The oceans are a connected system of water in motion. The oceans are a connected system. Ocean water moves in currents.
The BIG idea Energy CHAPTER Energy has different forms, but it is always conserved. Energy exists in different forms. 3.1 Energy can change forms but is.
Chapter 16 Sound Waves.
Temperature and Heat CHAPTER the BIG idea CHAPTER OUTLINE Heat is a flow of energy due to temperature differences. Temperature depends on particle movement.
Sound Notes. Sound is a Wave Sound is a type of ____________________ Sound is a wave that is produced by a ___________________ and travels through matter.
Sound and Hearing Chapter 17.4 Properties of Sound Waves Sound waves are longitudinal waves. Many behaviors of sound can be explained using a few properties-
Sound and Hearing Chapter 17 Section Four. Science Journal Entry 35 Compare and contrast reflection, refraction and diffraction.
Sound and LightSection 1 Properties of Sound 〉 What are the characteristics of sound waves? 〉 Sound waves are caused by vibrations and carry energy through.
Sound and LightSection 1 Section 1: Sound Preview Key Ideas Bellringer Properties of Sound Musical Instruments Hearing and the Ear Ultrasound and Sonar.
What is sound? Sound is a longitudinal wave which travels through the air through a series of compressions and rarefactions.
Essential Question (pg. 81): What happens if the medium vibrates the same way as the wave motion?  It creates a longitudinal wave.
Temperature and Heat 4.1 Temperature depends on particle movement. 4.2
Temperature and Heat 4.1 Temperature depends on particle movement. 4.2
Longitudinal Waves (longitudinal wave (longitudinal vs. transverse)
SOUND WAVES, HEARING AND INTERACTIONS
Electromagnetic Waves
Starter On the back of the ScienceWorld magazine on your desks read about Scare Science. On your paper, complete the Analyze It. 1.
Section 1: Sound Preview Key Ideas Bellringer Properties of Sound
1) a seaside beach in a storm
Sound Waves.
Section 1: Sound Preview Key Ideas Bellringer Properties of Sound
Sound COS: #18 Use Models to determine how light and sound waves differ in how they are absorbed, reflected, and transmitted through different media.
Unit 6 Chapter 18 & 19 Sound and Light
Waves & Sound A. Waves 1. The nature of waves
The Nature of Sound Chapter 21
The Physics of Sound.
Ch Waves & Sound II. The Nature of Sound Speed of Sound
Ch Waves & Sound II. The Nature of Sound Speed of Sound
Ch Waves & Sound II. The Nature of Sound Speed of Sound
Ch Waves & Sound II. The Nature of Sound Speed of Sound
Sound 12.1 Sound is one type of wave. 12.2
Light 13.1 Light is an electromagnetic wave. 13.2
Chapter 21: Sound.
Ch Waves & Sound II. The Nature of Sound Speed of Sound
Sound The Nature of Sound.
Sound Waves Unit 6.
Properties of Sound EQ: How does intensity, loudness, frequency and pitch affect sound waves?
Ch Waves & Sound II. The Nature of Sound Speed of Sound
Properties of Sound EQ: How does intensity, loudness, frequency and pitch affect sound waves?
Presentation transcript:

NEW CHAPTER the BIG idea Sound waves transfer energy through vibrations. Sound Sound is a wave. Frequency determines pitch. Intensity determines loudness. Sound has many uses. CHAPTER CHAPTER OUTLINE CHAPTER RESOURCES

VOCABULARY KEY CONCEPT CHAPTER HOME Sound is a longitudinal wave that travels through a material medium, such as air. Sound is a wave. SECTION OUTLINE SECTION OUTLINE vibration sound vacuum wave 2.1 CHAPTER RESOURCES CHAPTER RESOURCES

VOCABULARY KEY CONCEPT CHAPTER HOME sound KEY CONCEPT SUMMARY KEY CONCEPT SUMMARY Sound is a wave. A type of wave that is produced by a vibrating object and that travels through matter. vibration sound vacuum 2.1 CHAPTER RESOURCES CHAPTER RESOURCES

VOCABULARY KEY CONCEPT CHAPTER HOME A rapid, back-and-forth motion. vibration KEY CONCEPT SUMMARY KEY CONCEPT SUMMARY Sound is a wave. vibration sound vacuum 2.1 CHAPTER RESOURCES CHAPTER RESOURCES

VOCABULARY KEY CONCEPT CHAPTER HOME A space containing no particles of matter. vacuum KEY CONCEPT SUMMARY KEY CONCEPT SUMMARY Sound is a wave. vibration sound vacuum 2.1 CHAPTER RESOURCES CHAPTER RESOURCES

VOCABULARY KEY CONCEPT CHAPTER HOME pitch Doppler effect Frequency determines pitch. SECTION OUTLINE SECTION OUTLINE ultrasound resonance hertz A sound wave with a higher frequency and shorter wavelength is perceived to have a higher pitch. A sound wave with a lower frequency and longer wavelength is perceived to have a lower pitch. 2.2 CHAPTER RESOURCES CHAPTER RESOURCES

VOCABULARY KEY CONCEPT CHAPTER HOME pitch Doppler effect Frequency determines pitch. SECTION OUTLINE SECTION OUTLINE ultrasound resonance hertz 2.2 VISUALIZATION Explore the Doppler effect. CLASSZONE.COM CHAPTER RESOURCES CHAPTER RESOURCES

VOCABULARY KEY CONCEPT CHAPTER HOME The quality of highness or lowness of a sound. Pitch is associated with the frequency of a sound wave  the higher the frequency, the higher the pitch. pitch KEY CONCEPT SUMMARY KEY CONCEPT SUMMARY Frequency determines pitch. pitch Doppler effect ultrasound resonance hertz 2.2 CHAPTER RESOURCES CHAPTER RESOURCES

VOCABULARY KEY CONCEPT CHAPTER HOME The unit used to measure frequency; one hertz is equal to one complete wavelength per second. hertz KEY CONCEPT SUMMARY KEY CONCEPT SUMMARY Frequency determines pitch. pitch Doppler effect ultrasound resonance hertz 2.2 CHAPTER RESOURCES CHAPTER RESOURCES

VOCABULARY KEY CONCEPT CHAPTER HOME 1. Sound waves with frequencies above 20,000 hertz, the upper limit of typical hearing levels in humans. ultrasound KEY CONCEPT SUMMARY KEY CONCEPT SUMMARY Frequency determines pitch. pitch Doppler effect ultrasound resonance hertz 2. The use of sound waves with frequencies above 20,000 hertz for medical purposes. 2.2 CHAPTER RESOURCES CHAPTER RESOURCES

VOCABULARY KEY CONCEPT CHAPTER HOME The strengthening of a sound wave when it combines with an object’s natural vibration. resonance KEY CONCEPT SUMMARY KEY CONCEPT SUMMARY Frequency determines pitch. pitch Doppler effect ultrasound resonance hertz 2.2 CHAPTER RESOURCES CHAPTER RESOURCES

VOCABULARY KEY CONCEPT CHAPTER HOME The change in perceived pitch that occurs when the source or the receiver of a sound is moving. Doppler effect KEY CONCEPT SUMMARY KEY CONCEPT SUMMARY Frequency determines pitch. pitch Doppler effect ultrasound resonance hertz 2.2 CHAPTER RESOURCES CHAPTER RESOURCES

VOCABULARY KEY CONCEPT CHAPTER HOME Intensity determines loudness. SECTION OUTLINE SECTION OUTLINE intensity decibel amplification acoustics A sound wave with a lower amplitude and energy is perceived as a softer sound. 2.3 CHAPTER RESOURCES CHAPTER RESOURCES

VOCABULARY KEY CONCEPT CHAPTER HOME Intensity determines loudness. SECTION OUTLINE SECTION OUTLINE intensity decibel amplification acoustics A sound wave with a higher amplitude and energy is perceived as a louder sound. 2.3 CHAPTER RESOURCES CHAPTER RESOURCES

VOCABULARY KEY CONCEPT CHAPTER HOME Intensity determines loudness. SECTION OUTLINE SECTION OUTLINE intensity decibel amplification acoustics A sound wave with a higher amplitude and energy is perceived as a louder sound. 2.3 VISUALIZATION Discover how particles move as sound waves move through the air. CHAPTER RESOURCES CHAPTER RESOURCES

VOCABULARY KEY CONCEPT CHAPTER HOME The amount of energy of a wave, per wavelength. Intensity is associated with the amplitude of a sound wave and with the quality of loudness produced by the sound wave. intensity KEY CONCEPT SUMMARY KEY CONCEPT SUMMARY Intensity determines loudness. intensity decibel amplification acoustics 2.3 CHAPTER RESOURCES CHAPTER RESOURCES

VOCABULARY KEY CONCEPT CHAPTER HOME dB The unit used to measure the intensity of a sound wave. decibel KEY CONCEPT SUMMARY KEY CONCEPT SUMMARY Intensity determines loudness. intensity decibel amplification acoustics 2.3 CHAPTER RESOURCES CHAPTER RESOURCES

VOCABULARY KEY CONCEPT CHAPTER HOME The strengthening of an electrical signal, often used to increase the intensity of a sound wave. amplification KEY CONCEPT SUMMARY KEY CONCEPT SUMMARY Intensity determines loudness. intensity decibel amplification acoustics 2.3 CHAPTER RESOURCES CHAPTER RESOURCES

VOCABULARY KEY CONCEPT CHAPTER HOME The scientific study of sound; the behavior of sound waves inside a space. acoustics KEY CONCEPT SUMMARY KEY CONCEPT SUMMARY Intensity determines loudness. intensity decibel amplification acoustics 2.3 CHAPTER RESOURCES CHAPTER RESOURCES

VOCABULARY KEY CONCEPT CHAPTER HOME Sound has many uses. SECTION OUTLINE SECTION OUTLINE sonar echolocation Human uses of sound: sonar ultrasound music telephone recording 2.4 CHAPTER RESOURCES CHAPTER RESOURCES

VOCABULARY KEY CONCEPT CHAPTER HOME Sound has many uses. SECTION OUTLINE SECTION OUTLINE sonar echolocation Bats use sound to locate objects. 2.4 CHAPTER RESOURCES CHAPTER RESOURCES

VOCABULARY KEY CONCEPT CHAPTER HOME The sending out of high-pitched sound waves and the interpretation of the returning echoes. echolocation KEY CONCEPT SUMMARY KEY CONCEPT SUMMARY Sound has many uses. sonar echolocation 2.4 CHAPTER RESOURCES CHAPTER RESOURCES

VOCABULARY KEY CONCEPT CHAPTER HOME Instruments that use echolocation to locate objects underwater; acronym for “sound navigation and ranging.” sonar KEY CONCEPT SUMMARY KEY CONCEPT SUMMARY Sound has many uses. sonar echolocation 2.4 CHAPTER RESOURCES CHAPTER RESOURCES

VOCABULARY KEY CONCEPT CHAPTER HOME I. Sound is a wave. A. Sound is a type of mechanical wave. C. The speed of sound depends on its medium. 1. The Effect of the Material 2. The Effect of Temperature KEY CONCEPT SUMMARY KEY CONCEPT SUMMARY Sound is a wave. 1. How Sound Waves Are Produced 2. How Sound Waves Are Detected vibration sound vacuum B. Sound waves vibrate particles. 2.1 CHAPTER RESOURCES CHAPTER RESOURCES

VOCABULARY KEY CONCEPT CHAPTER HOME KEY CONCEPT SUMMARY KEY CONCEPT SUMMARY Frequency determines pitch. II. Frequency determines pitch. A. Pitch depends on the frequency of a sound wave. B. The motion of the source of a sound affects its pitch. 1. The Doppler Effect 2. Frequency and Pitch 1. High and Low Frequencies 2. Natural Frequencies 3. Sound Quality pitch Doppler effect ultrasound resonance hertz 2.2 CHAPTER RESOURCES CHAPTER RESOURCES

VOCABULARY KEY CONCEPT CHAPTER HOME III. Intensity determines loudness. A. Intensity depends on the amplitude of a sound wave. 1. Amplification 2. Acoustics B. The intensity of sound can be controlled. KEY CONCEPT SUMMARY KEY CONCEPT SUMMARY Intensity determines loudness. intensity decibel amplification acoustics C. Intense sound can damage hearing. 2.3 CHAPTER RESOURCES CHAPTER RESOURCES

VOCABULARY KEY CONCEPT CHAPTER HOME IV. Sound has many uses. A. Ultrasound waves are used to detect objects. B. Sound waves can produce music. KEY CONCEPT SUMMARY KEY CONCEPT SUMMARY Sound has many uses. C. Sound can be recorded and reproduced. 1. The Telephone 2. Recorded Sound sonar echolocation 1. Echolocation 2. Sonar 3. Medical Uses of Ultrasound 2.4 CHAPTER RESOURCES CHAPTER RESOURCES

CHAPTER HOME Image Gallery Click on the icons to see a larger image or animation. VISUALIZATION Explore the Doppler effect. CLASSZONE.COM VISUALIZATION Discover how particles move as sound waves move through the air.

CHAPTER HOME Image Gallery BACK TO IMAGE GALLERY

CHAPTER HOME Image Gallery BACK TO IMAGE GALLERY

CHAPTER HOME Image Gallery BACK TO IMAGE GALLERY

CHAPTER HOME Image Gallery BACK TO IMAGE GALLERY

CHAPTER HOME Image Gallery BACK TO IMAGE GALLERY

BACK TO CHAPTER Click on the items below to access resources on Standardized Test Practice Practice state standardized tests Math Tutorial Review math concepts Resource Centers Get more information on select science topics Content Review Review key concepts and vocabulary Audio Readings Hear chapter audio readings Image Gallery Click here to view chapter images and animations CLASSZONE.COM Chapter Resources CHAPTER HOME