Waves of light and sound book pdf

It focuses primarily on the wave and ray descriptions of light, but also includes a brief introduction to the quantum description of light. This word search on light and sound waves helps students familiarize and reinforce vocabulary terms and spelling in a fun way. Students will read a sentence and decide if it is describing a light wave or sound wave, then glue the box in the correct column. The physics classroom serves students, teachers and classrooms by providing classroomready resources that utilize an easytounderstand language that makes learning interactive and multidimensional. In air of homogeneous sealevel density, sound travels at about 1,210 kilometers per hour regardless of the velocity of its source. Radio shack sound level meter, meterstick, function generator, headphones. Readers learn about sound waves and vibration, volume, and pitch. The result of longitudinal waves is the creation of compressions and rarefactions within the air. Transverse wavesa wave is a rhythmic disturbance that carries energy through matter or space. Waves in water and sound waves in air are two examples of mechanical waves. Furthermore, one of the x 0s can be absorbed in xor t, so that the other will represent the distance shift. Light waves are capable of moving through empty space at speeds of around 186,000 miles or 299,792,458 meters per second.

Light may be mentioned and that it is transmitted in a transverse wave form. They have wavelengths between 1 centimetre and 10 metres, and will easily diffract round corners. Before getting into these ideas it is first necessary to cover the basic principles of vibration and sound propagation. Sir isaac newton believed that light was a stream of particles. A water wave is an example of a surface wave, which is a combination of transverse and longitudinal wave motions. An elementary teachers guidewaves, light, and sound. That will be most of what you need to understand quantum mechanics. Readers will love discovering new information in this chapter book while also.

Suppose two identical waves are traveling in the same direction, and they differ only in that there is a phase difference between them. Sound waves travel a million times slower than light waves. Sound and vibrations module summary guiding and focus questions for phenomena content related to disciplinary core ideas readingtechnology assessment. The book delves into the many forms of sound and describes how the human ear and brain work together to receive and perceive sound. These waves interact with matter, and waves of the same type interact with each other. Light travels in straight lines, so if you have to represent a ray of light in a drawing, always use a ruler. There are also a couple of good books that we can get from the library.

Informational nonfiction, 448 words, level m grade 2, lexile 580l. Revision notes on waves and sound waves askiitians. Visible light can be produced, reflected, refracted, and separated into light of various colors. Calculate the wavelength of the sound wave produced. Light waves are unique in their ability to travel through a vacuum space. Introduction and types a wave is a transfer of energy through a medium from one point to another. Sound waves, light waves, water waves, seismic waves, even waves of the hand, constantly transferring energy from one place to another. They find out what happens when materials with different properties are placed in a beam of light, and explore how to create and change shadows and reflections. Sound and light online text mr polidoros classroom. There are less visible but equally pervasive sound waves and electromagnetic waves.

In our daily lives we face many examples of waves and oscillations. Light and sound during the study of light and sound waves students will develop their science skills through inquiry, prediction, observation, exploration, discussion and recording. This example of a longitudinal wave is depicted in figure 41. Students explore how to use sound and light devices. Selection file type icon file name description size revision time user. Use the cards to answer questions on the question sheet. Using sound to navigate underwater echoes are used by ships to scan the ocean floor. Students will have fun learning about such topics as fossil fuels, renewable resources, electricity, magnetism, and heat in these 10 interactive science activities.

Using sound to navigate flying at the speed of sound when a plane travels at the speed of sound, sound waves pile up in front of it. Sound waves 1 student book 35 6 write the letters for ee e ea to finish the words. It is encouraged that students take notes and teacher uses strategies to help. It can be shown elsewhere that the potential energy for the wavelength of a simple. Matter that waves are traveling through is called a medium. These lessons focus on students collaboratively problem solving, discovering and investigating to find answers and solutions. The physics of waves version date february 15, 2015. We know that light waves can travel through vacuum. This page has printable resources for your science units on light and sound. The doppler effect applies to electromagnetic radiation light as well as sound waves.

This unit explains what sound is, how it travels, and some of the properties of sound, such as pitch and volume. A sound wave is both the end product of the speech production mechanism and the primary source of raw material used by the listener to recover the speakers message. We think it is the same thing that is waving for light. Basic introduction to the spectrum of light and light concepts. Electromagnetic o examples light waves, radio waves, microwaves, xrays, etc. As an alternative, the kindle ebook is available now and can be read on any. Jun 19, 2016 on this page you can read or download waves sound and light mcgraw hill education in pdf format. Even more important, though only touched on in this book, is the wave phenomenon of quantum mechanics, built into the fabric of our space and time. How light travels light waves ks3 physics revision. There are familiar, everyday sorts of waves in water, ropes and springs.

Common to sound and light waves including microwaves are lenses, prisms, reflectors, waveguides, interference, standing waves, and of course basics like frequency and amplitude, velocity and attenuation. Each card has an interesting fact about light energy. A sound wave is an air pressure disturbance that results from vibration. We will see how we can detect sound and light waves and how we can obtain. Vibrations and waves are among the most important types of motion found in nature. Dec 03, 2015 pdf download waves in focal regions propagation diffraction and focusing of light sound and water read full ebook. During the study of light and sound waves students will develop their science skills. These and other waves move at different speeds in different materials. So when you are studying sound, water, and earthquakes, you are really learning the properties of waves. Waves, sound, and light 9 name date class transverse waves you are surrounded by a variety of waves such as visible light waves, sound waves, and radio waves. Learn vocabulary, terms, and more with flashcards, games, and other study tools.

Students can search the classroom for hidden fact cards. Introduction sound energy is conveyed to our ears or instruments by means of a wave motion through some medium gas, liquid, or solid. When dealing with many waves, we can use one wave as a reference and measure the distance shifts for all the others from this. Name the physical property of a sound wave on which each characteristic depends. Electromagnetic waves light, radio waves, and x rays are.

Waves of light and sound lets explore science duke, shirley on amazon. Sound sound in air results when air is suddenly compressed, for example by a. Wave motionis the disturbance, set up in the medium, due to the repeated periodic motion of the particles of the medium and travels from the particle to particle, the particles themselves keep vibrating about their mean positions. What happens when a wave strikes a boundary between two. It can be used before a unit, during a unit at a warmup, exit or homework.

The light emitted by stars, which are hundreds of light years away, reaches us through interstellar space, which is practically a vacuum. The most familiar type of waves such as waves on a string, water waves, sound waves, seismic waves, etc. How can it make sense to use the same word wave for all these disparate. A wave is a way of transporting energy long distances without actually transporting matter. The information about our physical surroundings is transmitted to us by waves such as sound and light waves. Speed of sound waves two factors affect the speed of sound waves. The physics of music and color deals with two subjects, music and color sound and light in the physically objective sense in a single volume. Waves, sound and light lessons and learning objectives. The alternating configuration of c and r of particles is described by the graph of a sine wave ccrests, rtroughs the speed of a sound pressure wave in air is 331. That is, the waves y1x,t and y2x,t are the two waves described by. Starting with oscillations in general, the book moves to interference and diffraction phenomena of waves and concludes with elementary applications of schr.

How light and sound interact with matter mcgrawhills practice plus. Written by teachers for teachers and students, the physics classroom provides a wealth of resources that meets the varied needs of both students and teachers. The book is targeted at the first year undergraduate science and engineering students. We rely on them in many ways to keep us safe, alert us and entertain us. What is the scientific study of sound waves called. Pitch is determined by the vibration rate of the sound source. Light waves move at speeds that are nearly one million times faster than sound waves are capable of traveling. Light waves vce the question of what is light was a matter of great debate during the 17th and 18th century.

Unlike sound waves, light waves can travel through a vacuum empty space. But the mathematics is most easily developed using the equations of harmonic waves to describe waves on a string. But a moving vehicle chases the sound leaving its nose and runs away from the sound leaving its tail. This topic, not being a mechanical wave, will only have a. How you perceive the effect depends upon your location relative to the wave source. Particles and waves are two ways of explaining lights behavior. Plan and conduct investigations to provide evidence that vibrating materials can make sound and that sound can make materials vibrate. Sound and light travel at significantly different speeds. Sound all around sound all around sound all around sound all around. Shake some air and you create a sound, but the sound doesnt stay around. Waves light and sound collection nsta learning center. This is a fun and engaging way to practice determining the difference between light waves and sound waves. Properties of light waves, particles and em spectrum interaction with matter absorption re.

To extend, challenge students to find other ways to demonstrate the vibration of sound, such as strumming a ruler with one end held firmly against the edge of a desk. Water waves are formed by vibrations in a liquid and sound waves are formed by vibrations in a gas air. Water waves, sound waves, and the waves that travel down a rope or spring are types of mechanical waves. Light waves have much smaller wavelengths, and only diffract through very small holes. Pdf waves, light waves, sound waves and ultrasound the. The properties of these waves differ quite considerably. Light and sound using the science az resources below will help students develop proficiency in disciplinary core ideas, engage in science and engineering practices, and recognize crosscutting concepts as they build toward fulfilling one or more of the grade 1 performance expectations related to waves. Sound wave gas,q, liquids, solids pressure changes electromagnetic wave radio wave, microwave, thermal wave light xvacuum or matter electrical or magnetical fields efield, bfield thermal wave, light, x rays, gammarays the excitation of a wave may be a vectorial or scalarthe excitation of a wave may be a vectorial or scalar quantity. Wave characteristics a wave is a transfer of energy from one point to another without the transfer of material between the points waves move energy, not matter a. Crabtree publishing company february 28, 2014 language. Teacher gives a brief lesson on transverse and compression waves a. Christian huygens proposed that light travelled as waves. The basic underlying physical principles of the two subjects overlap greatly.

Mechanical waves are caused by a disturbance or vibration in matter, whether solid, gas, liquid, or plasma. Common to sound and light waves including microwaves are lenses, prisms, reflectors, wave guides, interference, standing waves, and of course basics like frequency and amplitude, velocity and attenuation. Properties of light university of maryland college of. Light and sound students who demonstrate understanding can. The doppler effect is observed for moving objects emitting light or sound waves. Speed of sound in air about 340 msec varies strongly with temperature. The return time of the sound depends on the depth of the ocean. Excitation longitudinal to the propagation directionthe propagation direction e g compression wave in solidse. Students should take notes or record their learning. A remarkable thing about all these kinds of waves is that the shaking leaves the location where it started. Heat can be transferred by radiation, conduction and convection. Mechanical waves and electromagnetic waves are two important ways that energy is transported in the world around us.

Sound waves, water waves, seismic waves mechanical waves. Density of the medium stiffness of the medium atomic springs solids and liquids are more rigid than gases so sound waves move faster. It explores how ears hear and encourages students to take care of their ears. If you dont see any interesting for you, use our search form on bottom v.

Examples of vibrating materials that make sound could include tuning forks and plucking a stretched string. Waves and sound 2006 question 8 ordinary level i describe, using diagrams, the difference between transverse waves and longitudinal waves. Sound waves bounce just like water waves and rope waves. Because of the central role played by sound in speech communication, it is important to have a good understanding of how sound is produced, modified, and measured. Sound is created by vibration and cannot travel through a vacuum. Course summary this sciencefusion sound and light textbook companion course uses simple and fun videos to help students learn about light and sound waves and earn a better grade. This causes the sound waves to pile up ahead of the vehicle and stretch out behind.