Wave Worksheet 1 Define A Wave

We can use the formula for wave speed on a string: Calculate speed=12m/0. Example W4 A wave of frequency 1000 Hz travels in air of density 1. Interference is what happens when two or more waves come together. Now that this is out in the. You’ll never look at TV the same way again. Transverse wave is one of the two basic forms of waves. Want Lecture Notes? This is an AP Physics 1 Topic. Definition of wave speed and how it is related to wavelength and wave frequency, how to calculate wave speed and how it is related to the medium of a wave. Dividing this number into 1 yields the number of times the point oscillates each second, which is the frequency of the wave. 1 sec Wave energy How Waves Move 239 Principal causes Wave type Moon and Sun Earthquakes, volcanoes, landslides, storms Wind Tides Tsunami Wind- generated waves Figure 8—2 Distribution of energy in ocean waves. Calculate the speed of the sound wave in air. Non luminous objects can reflect both light and heat. This can cause the waves to dynamically join together, forming very big 'rogue' waves. For example: 29. Additional Worksheets on Waves & Sound. 3 Sinusoidal waves 20. During the shaking, the ground moves in the direction of the propagating wave. Rogue, freak, or killer waves have been part of marine. biomass, solar, wind, wave, tidal, hydroelectric, geothermal Takes a shorter time to form (e. Define wave crest, trough, amplitude, and wavelength. Find out how these prolonged bouts of hot weather happen with a reading exercise and a diagram, and learn more about how you and your family can stay safe during events like it. Pest and Lawn Ginja 1,173,921 views. Landforms From Wave Erosion. A change in frequency of sound waves causes an audible sensation—a difference in pitch. Breaker height is estimated to the nearest half-foot and is entered in the Wave Height Observation blocks on the SUROB worksheet. There are many properties that scientists use to describe waves. Apart from the electromagnetic waves, there are also matter waves, like water waves and sound waves. they must have a medium to transfer energy. List the given and unknown values. lead II), the right and left atrial waveforms move in the same direction, forming a monophasic P wave. Calculate the speed of the sound wave in air. Lab 8 Study of Waves Worksheet Your name. Calculating and recording correct v values- 3 points 5. Energy (Ch3, Waves, Light, Sound) Heat and Temperature Ch 4 Matter and Energy; Atoms and The Periodic Table (Ch 1 Chemical Interactions) Chemical Bonding (Ch 2 Chemical Interactions) Chemical Reactions (Ch 3 chemical interactions) Mixtures and Solutions Ch 4 Chemical Interactions; Motion and Forces; Alternative Energy Project Links; Measuring. Wave definition, a disturbance on the surface of a liquid body, as the sea or a lake, in the form of a moving ridge or swell. Earthquake or Seismic waves: These waves occur in lithosphere, i. With each definition also include a well labled diagram. The frequency of the transmitted wave is >also 2. Before we move into the next section, the subject of wave interaction must be covered since it is important when trying to understand the performance of an ultrasonic transducer. We've got a vast collection of activities for topics such as weather, animals, electricity, cells, human body, simple machines, landforms, and more. When the vibrations are fast, you hear a high note. Calculate the average speed (in Km/hr) of Charlie who runs to the store 4 Km away in 30 minutes?. Waves for Change (Trading name) holds NPO and PBO status in South Africa. (c) Explain what is meant by a transverse wave and give two examples. One of these is the initial wave and the other its reflection from the end of the tube. Being the third part in a series on different feminisms. Some common places we experience waves are in sound, light, water, and earthquakes. the motion of the particles of a medium in mechanically propagated waves (as water waves or sound waves)…. ), refraction, resonance, phased arrays, and the Doppler effect. waves are waves that travel along the boundary between two media. Worksheet 7-1 Waves Introduction to the World’s Oceans – Chapter 9 Waves (pages 233 – 240) How a Wave Begins 1. X-rays have a higher frequency than light waves. The simplest, smallest wave that I can possibly fit in a closed end pipe is shown in Figure 5. Specifically, channel 1 probe was to measure the input voltage and channel 2 was used to test the voltage across two series resistors, one of which was variable. The sound wave has a wavelength of 0. We can think of these as having the shape of sine waves. The WAVE Chrome and Firefox extensions allows you to evaluate web content for accessibility issues directly within Chrome and Firefox browsers. Notice also how the beach has been shaped by the circular wave fronts. Worksheet Practice with the Doppler Effect. After drawing a wave, students must label the different parts and then define basic words that describe a wave. So if the time it takes for a wave to pass is is 1/2 second, the frequency is 2 per second. (See classwork from this section, question #1. I know that Mechanical waves require a medium and electromagnetic do not but I do not know if the parts of the two waves are the same for the both waves or if they are created differently. marking scheme for english media coursework,Censorship Sound wave music definition essay More Tanner. Electric charges vibrate or oscillate. Frequency and wavelength are inversely proportional. These methods should be private. 5 wavelengths 3. 1 Sound and Waves worksheet Short Answer 1. Sound waves are compressional waves. To understand a transverse wave, an essential understanding of wave mechanics is required. Technically, a Q wave indicates that the net direction of early ventricular depolarization (QRS) electrical forces projects toward the negative pole of the lead axis in question. of wave trough. o Require medium for transfer; cannot be transferred through a vacuum o The speed of the wave depends upon the mechanical properties of the medium. However, if the medium is changed then velocity of the wave is also changed. Parts and characteristics of periodic waves are described. A simple wave illustration is as follows. Electromagnetic waves are transverse waves. Section 1-Wave Fundamentals 1. Sheer inserts offer a tempting glimpse of what lies beneath; your partner will be begging for more. An exercise which teaches about the electromagnetic spectrum - its various regions and their associated wavelengths, frequencies, and energies. This phenomenon can occur because the medium is moving in the opposite direction to the wave, or it can arise in a stationary medium as a result of. 2) Compressional waves are also called P-Waves, (P stands for "primary") because they are always the first to arrive. However, it is only much later that they understand that this energy moves from one place to another in the form of waves. The Sears Building in Chicago sways back and forth with a frequency of about 0. Standing Wave { Superposition with Re ected Wave. Most of the energy possessed by ocean waves exists as wind- generated waves while other peaks of wave energy represent. Tsunami can have variable wave height and amplitude that depends on water depth as we shall see in a moment. Sea waves or tides, a sound which we hear, a photon of light travelling and even the movement of small plants blown by the wind are all examples of different types of waves. the motion of the particles of a medium in mechanically propagated waves (as water waves or sound waves)…. Practice worksheet 1. Wave erosion is also known as coastal erosion and occurs not only in oceans, but also in other large bodies of water. Please be ready to take notes on what you discover. 1 INTRODUCTION In 1637 Descartes gave the corpuscular model of light and derived Snell’s law. WAVES AND SOUND WORKSHEET 1. In sound waves, the vibrations of the air molecules are in the same direction as the movement of the wave. Visible light is only one small portion of a family of waves called electromagnetic (EM) radiation. keystage 3 Interactive Worksheets for year 7 Science. , 2) A wave is caused by a vibrating object. The novel does not offer any simple answers about whether people can. There are two types of waves, transverse and longitudinal. The recent success of the ‘Far Right’ is diametrically opposed to the ideology of Pope Francis’ Church. ) (4-PS4-1) • Waves of the same type can differ in amplitude (height of the wave) and wavelength (spacing between wave peaks). W4C is supported by partner foundations in the USA (501c3) and the UK (CC) Tax Deductions. The greater the fetch, the larger the wave. Graphing the sine function. This changing magnetic field then creates a changing electric field and BOOM - you have light. Explain how a wave can travel through a medium and yet the medium stays in place. • Waves deposit sediment at the shore to form beaches. the speed of the wave is a property of the medium. In some TWTs the helix is made narrower at the end of the tube therefore. Waves’ technology is designed for companies and developers who want to leverage security, auditability, verifiability and the trustless execution of transactions and programming logic Technology Why build on Waves. Electromagnetic Waves. There are two types of seismic waves, body wave and surface waves. amplitude-In a wave, the distance from the rest position of the medium to either the crest or trough. The Making Waves - Wave Properties Science Stations teach about the properties of different types of sound and ocean waves. describes a wave travelling in the positive -direction with an angular frequency , so as you would expect, it is a possible solution to the wave equation. The human audible range is demonstrated. To learn more about elliott wave trading, www. (Angle A = Angle B) The angles are always measured from the ray to the normal line. What is the order of increasing density of the materials that you are testing? In this lab you can hear differences in sound when the sound waves travel through various materials. A(n) ____ wave causes the particles of the medium to vibrate in a direction perpendicular to the direction in which the wave is traveling. Transverse wave is one of the two basic forms of waves. What can you change about the simulation? 2) Draw what you see on the screen. 2 One-dimensional waves 20. Home - 8th Grade Science. The distance traveled by a wave per unit time is its speed (v) The distance traveled by a wave per unit time. Wave height statistical forecasting. ) Draw a typical transverse wave - label the crest, trough, wavelength & amplitude Draw a typical longitudinal wave - label the compression, rarefaction, wavelength & amplitude. Identify the type of radiation in each problem. At times an individual might experience pain in more than one area Apr 24, 2019 · Lower back pain on the right side can have many causes. MCAT Physical Help » Physics » Waves » General Principles and Properties » Longitudinal and Transverse Waves Example Question #1 : Longitudinal And Transverse Waves At a local concert, a speaker is set up to produce low-pitched base sounds with a frequency range of 20Hz to 200Hz, which can be modeled as sine waves. What Are the Different Kinds of Seismic Waves? Students will use their knowledge of physics and Earth science to interpret diagrams and answer questions about seismic activity. What is the top of a wave called? Crest 2. How frequently a wave or vibration occurs during a span of time, determines the waves frequency. Notes on Wave Properties and Interference Definition • A form of energy transfer between objects, or that which transmits energy o Mechanical - requires a medium to transmit the energy through o Non -mechanical - does not require a medium to transmit energy Wave Types. There are two types of waves, transverse and longitudinal. However, it is only much later that they understand that this energy moves from one place to another in the form of waves. The word "reflection" is used in everyday life to describe what we see in a mirror or on the surface of the water. Electromagnetic spectrum Infrared waves Radio waves Wavelength Frequency Microwaves Ultraviolet rays X rays Use your notes from pages 9 – 10 and the terms in the vocabulary box to fill in the blanks for the following nine questions. How high is the resulting wave? 20. Top Voted Out Of 5 Synonyms Entries Is 'crimps'. Handwriting. Body waves include P and S waves, and these are the two types of waves that are used to determine the internal structure of the Earth. On 23 August 1966, 200 Aboriginal stockmen of the Gurindji people and their families walked off Wave Hill pastoral station, 600 kms south of Darwin in the Northern Territory, owned by a British aristocrat Lord Vestey. The simplest, smallest wave that I can possibly fit in a closed end pipe is shown in Figure 5. If a wave is traveling at 60 cm/second and has a wavelength of 15 cm, what is the frequency? What does amplitude measure? On the diagram below, indicate with an arrow the distance that represents the wavelength of the wave. The Power spectrum consists of a single spectral component at the wave. pdf Free Download Here Waves, Sound, and Light http://glencoe. For more on this see Graphing the sine function. There are many different kinds of waves. As you may have noticed in Figure \(\PageIndex{1}\), waves are periodic, that is, they repeat regularly in both space and time. What is a wavelength? What is one wavelength equal to in a transverse wave? A longitudinal wave? How many cycles/vibrations are there in 1. What can you change about the simulation? 2) Draw what you see on the screen. decomposed into harmonic wave solutions involving sine and cosine functions. 2) provide a useful review of the 1-D wave equation as applied to a vibrating string, with analogies to seismic wave propagation in the Earth. Students complete 23 matching terms with definitions and draw the superposition of two waves shown. View the pronunciation for wave. We believe that everyone should have the chance to ride waves and openly talk about mental health without being judged. Within a standing wave, regions of constructive interference are called antinodes and regions of destructive interference are called nodes. How many complete waves are there in the diagram. The illustration below shows a series of transverse waves. Draw the profile of the string at t = 6 and t = 8 seconds. By analogy, there should be a wave equation governing the evolution of the mysterious "matter waves", whatever they may be, over time. 1 Electromagnetic Waves waves, whereas the wave in the rope has Download a worksheet on waves for students to complete, and find. The diagram should include such things as wavelength, amplitude, crest, through, compression, decompression, ect 2. They are transverse waves just like waves on a rope. As you may have noticed in Figure \(\PageIndex{1}\), waves are periodic, that is, they repeat regularly in both space and time. Professional research paper proofreading site online. Whether you're talking out loud, texting on your phone, or waving to someone in a crowd there's going to be a wave transmitting information. Ross’ class, starts to think that The Wave is having too much of an impact. ____ waves are non-mechanical and travel through a vacuum at a speed of 3 x 10 8 m/sec. Make sure that your sound is turned to a reasonable volume. Chapter 14 Vocabulary on waves. Sound Waves Welcome, this is a learning resource for AS and A Level wave and sound physics. Wave Worksheet One full wave (cycle) Wave train - two or more waves Amplitude - measures the energy of a transverse wave a) measured from the equilibrium position to the top of a crest or the bottom of a trough (see vertical arrow) Wavelength - length of a single wave cycle (horizontal arrow double sided arrow). Speed and Velocity - This Physics Classroom tutorial helps students distinguish between speed and velocity. 04 Evaluate the forces which shape the lithosphere: Earthquakes Use the information below and your chapter 11 in your textbook (p. Each of these characteristics can be associated with something that we hear in a sound wave. Waves and Wave Properties Lesson—Anatomy of a Wave Worksheet Answers Anatomy of a Wave Worksheet Answers Objective: Identify the parts of a wave and draw your own diagrams of waves. How many complete waves are there in the diagram. When the vibrations are fast, you hear a high note. • p wave • p-r interval • qrs duration •eptopics / abnormalities junctional escape rhythm • irregular – underlying is regular • 55-68 – underlying rate is 68 • retrograde to normal • 0. All Chapter 15 - Waves Exercises Questions with Solutions to help you to revise complete Syllabus and boost your score more in examinations. Only items under waves topic. Seismic waves are divided into two types: Body waves and surface waves. Wavelength can be defined as "the distance the wave has traveled during one complete cycle". Also refer to other worksheets for the same chapter and other subjects too. A wave traveling at 230 m/sec has a wavelength of 2. The Doppler Effect. This is another boundary behavior question with a mathematical slant to it. The SI Unit for Frequency being hertz and its definition being ‘1/T’ where T refers to the time period of the wave. o Require medium for transfer; cannot be transferred through a vacuum o The speed of the wave depends upon the mechanical properties of the medium. Sound waves are created by the vibration of some object, like the cone in a radio loudspeaker. 8 meters, what is the frequency of the wave? 3. 1 hour ago. True or False? E) What is the #1 difference between mechanical and electromagnetic waves?. Worksheets are synchronized to readings from The Physics Classroom Tutorial and to sublevels of the Minds On Physics Internet Modules. 3 of 10 Discuss the circulation and currents of the ocean. We're in Section 6. What is the speed of the wave now? With the frequency at 550Hz, decrease the amplitude of the wave. What is the wavelength of a 1. W Worksheet by Kuta Software LLC. -Modern telecommunications networks such as mobile phones rely on waves. Both linear and spherical wave fronts are animated. Wave erosion is also known as coastal erosion and occurs not only in oceans, but also in other large bodies of water. The video and worksheet introduce and explain following concepts - energy, wavelengths, frequency, amplitude, electromagnetic waves, seismic waves, sound waves, sonar. The five wave constants are: wave speed, wavelength, amplitude, density and one variable that is constant to the electron. A certain FM radio station broadcasts electromagnetic waves at a fre-quency of Hz. Ready for Waves, is a skillfully made art piece by real artists. From Figure below we see that the peak value of the auto-correlation function is indeed. 8 meters, what is the frequency of the wave? 3. What is the wavelength of a water wave that has a frequency of 2. In this waves worksheet, learners define 23 vocabulary words associated with the different types of waves and how waves are measured. Grades, attendance, calendar, and other useful school related resources are at Renweb. After drawing a wave, students must label the different parts and then define basic words that describe a wave. Student worksheets Worksheet 1: Waves This exercise is about waves. Being the third part in a series on different feminisms. Wave Worksheet One full wave (cycle) Wave train – two or more waves Amplitude – measures the energy of a transverse wave a) measured from the equilibrium position to the top of a crest or the bottom of a trough (see vertical arrow) Wavelength – length of a single wave cycle (horizontal arrow double sided arrow). This printable challenges students to classify S-waves, P-waves, and L-waves by the characteristics listed in the table. When you have started, call (866) 339 9283 or email [email protected] blue light. This is the definition of a conspiracy. However, it is only much later that they understand that this energy moves from one place to another in the form of waves. It'll introduce you to the concept of waves. Waves Unit Study Guide KEY 2 Figure 1 Figure 2 Use Figure 1 and Figure 2 above to answer questions 10. When the Print window opens, type in a range of pages to print. The speed of a wave often depends, but only very slightly, on the frequency and wavelength, and it may be such a slight dependence that you may have to go out some digits of precision to notice it. Then: speed = wavelength x frequency. A certain FM radio station broadcasts electromagnetic waves at a fre-quency of Hz. 1 The wave model 20. Sound wave calculator solving for sound pressure level SPL in decibel given sound wave and reference or hearing threshold pressure. What is the wavelength of a 1. The speed of a wave is equal to the product of its wavelength and. Waves are created by energy passing through water, causing it to move in a circular motion. Home - 8th Grade Science. Come and explore the amazing world beyond the visible! Introduction to the Electromagnetic Spectrum : Electromagnetic energy travels in waves and spans a broad spectrum from very long radio waves to very short gamma rays. Here You Can Download Free drop, water, splash, waves, macro High Resolution Desktop Background for Widescreen, Photos. Modules may be used by teachers, while students may use the whole package for self instruction or for reference. This is the definition of a conspiracy. Calculate the speed of the wave. Seismic waves are waves of energy that travel through the earth, for example as a result of an earthquake, explosion, or some other process that imparts low-frequency acoustic energy. Frequency is a measurement of how often a recurring event such as a wave occurs in a measured amount of time. Wave #1 has half the frequency of Wave #2 and two times the wavelength. Resources provided here will help you help your students begin to conceptualize waves and their relationship to energy. What is the speed of the wave?. Thus, electromagnetic waves are transverse waves. Motive waves have a five wave structure or a combination of a five wave structure. The friction between the air molecules and the water molecules causes energy to be transferred from the wind to the water. Activate students' prior knowledge about waves. As well be sure you happen to be considering reasons like shortfalls, open referrer, the charge of monthly payments, and the gains you would receive. For clinical purposes, if the standardization is set at 1 mV = 10 mm, the height of a wave is usually recorded in millimeters, not millivolts. 50 Hz and a wavelength of 0. See “The next wave of consumer M&A: Searching for growth. The sun, earth, and other bodies radiate electromagnetic energy of varying wavelengths. After a lull in immigration during the American Revolution and wars in Europe, a second wave of immigrants began arriving around 1820. Notice also how the beach has been shaped by the circular wave fronts. Please be ready to take notes on what you discover. For the waves below: a. View practice_worksheetanswers (1) from AP PHYSICS 10 at Stamford High School. Describe the effects of the oceans on weather and climate. 2 Hz, the wavelength is 3. g x yA xlplw DrViJgah8tmsR irze Bs0ekr Bv7eZdZ. Light as a wave: Light can be described (modeled) as an electromagnetic wave. It explained the laws of reflection and refraction of light at an interface. The basic building block of radio communications is a radio wave. wave length: the distance between consecutive wave crest to wave crest. com with free online thesaurus, antonyms, and definitions. Take the radio as an example. The Nature of Waves 2. However, it is only much later that they understand that this energy moves from one place to another in the form of waves. Put a cork in the pan to represent a boat on the ocean. With an overarching color, this fine art print by The Oliver Gal Artist Co. ♦ If the peaks of the waves match up, the amplitude of the resulting wave will be larger than that of the individual waves. (a) Courtesy of Sabina Zigman/Benjamin Cardozo High School (b)! PITFALL PREVENTI ON 3 7. Figure 10ac-1: Breaking waves on a beach. Please select the word from the list that best fits the definition the thermal transfer of energy by electromagnetic waves through the vacuum of space evaporation radiation convection condensation Log in for more information. The distance between two corresponding points in a wave—between the midpoints of two peaks, for example, or two troughs—is the wavelength (\(λ\), lowercase Greek lambda). 001 angstrom to long waves having a wavelength of more than 1 million km. This is the definition of a conspiracy. Thus, electromagnetic waves are transverse waves. The time period is the time required for the wave to complete one cycle. To begin our discussion, we will consider the attributes or characteristics of any kind of wave. Next, find the period of the function which is the horizontal distance for the function to repeat. , which is typically measured in meters per second (m/s). Even before he invents The Wave, Mr. while Sound waves, Water waves are few types of mechanical waves. What is the bottom of a wave called? Trough 3. Answer: The wave velocity v = 340 m/s, and the frequency f = 20. The mom has a medium-high voice, and the baby has the highest voice. The lower value corresponds to the wave speed in loose, unconsolidated sediment, the higher value is near the base of Earth's mantle. Overview of Sound Waves. W Worksheet by Kuta Software LLC. To learn more about elliott wave trading, www. Wave #1 has half the frequency of Wave #2 and two times the wavelength. During the shaking, the ground moves in the direction of the propagating wave. The Power spectrum consists of a single spectral component at the wave. However most of the radio waves we receive have traveled through air. The Physics of Sound 1. It is shown with letter "f" and its unit is "1/s". Question: On your worksheet, predict who would be the first, second, and third to detect the explosion. The second part was:‘No Longer a Second Sex: A Brief Look at Second-Wave Feminism‘ Beginning in the 1990s, after the end of second-wave feminism and the Feminist Sex Wars, third-wave feminism began with a mixture of disgruntled and unsure feminists and feminists born into a world where feminism had always existed. Specifically, channel 1 probe was to measure the input voltage and channel 2 was used to test the voltage across two series resistors, one of which was variable. Jan 31­7:46 PM. For example, when a loud sound is heard, it is because many molecules have been vibrated with much force. The key notion is that the restoring force due to tension on the string will be proportional 3Nonlinear because we see umultiplied by x in the equation. 3 seconds later. Waves transmit energy, not water, across the. The waves and the wind. Significant Q waves indicate either myocardial infarction or obstructive septal hypertrophy (IHSS). Please be ready to take notes on what you discover. Search this site. Geometrical optics will. 50 Hz and a wavelength of 0. Activity 1 Making Waves a) Record the wave frequency in your log. The turbine turns a generator. Even though they are slower than P-waves, the S-waves move quickly. Energy (Ch3, Waves, Light, Sound) Heat and Temperature Ch 4 Matter and Energy; Atoms and The Periodic Table (Ch 1 Chemical Interactions) Chemical Bonding (Ch 2 Chemical Interactions) Chemical Reactions (Ch 3 chemical interactions) Mixtures and Solutions Ch 4 Chemical Interactions; Motion and Forces; Alternative Energy Project Links; Measuring. What is its period? Data Equations Math Answer. Get all your movies, TV shows, music or online videos any time you want them, and enjoy them from anywhere. The unit of frequency is the hertz (Hz). Let's talk about wave characteristics. The wave speed, C, can be calculated by dividing the wavelength by the wave period (C=L/T) since a wave travels one wave length each wave period. This lab includes using the wave equation at station 1 (HS-PS4-1) and using what they learned about wave-particle duality at station 4 (HS-PS4-3). Show ALL equations, work, units, and significant figures in performing the following calculations. Wave 2 has 1. Frequency and wavelength are inversely proportional. The key notion is that the restoring force due to tension on the string will be proportional 3Nonlinear because we see umultiplied by x in the equation. In physics and chemistry, wave-particle duality holds that light and matter exhibit properties of both waves and of particles. Waves that needs a medium to travel through - Made when an energy source causes a vibration - Two types - transverse and longitudinal - Ex: Water waves, sound waves, earthquake waves (seismic) Electromagnetic wave. Activate students' prior knowledge about waves. forces in Syria is expected to reach about 900 — close to the 1,000 troops on the ground when President Trump ordered the withdrawal. red light. Lower frequency waves have longer wavelengths. Mechanical Waves 1. They are available for private non-commercial use. He was handsome, brave, and the sort of person who would do anything for you. frequency of the wave source b. 1) what are the four basic properties of waves? 2) which wave property is directly related to engrey 3)which wave properties are distances? which are measured relative to time 4) what formula relates speed wavelengh and frequency 5)two waves have the same wavelengh and frequency. 2:1 (or simply 1. After drawing a wave, students must label the different parts and then define basic words that describe a wave. Most of these newcomers entered the United States through New York City, instead of Philadelphia. Waves occur around us every day. 3 Sinusoidal waves 20. Help your child get ahead with Education resources, designed specifically with parents in mind. Insert the known values into the equation, and solve. All waves, however, share certain basic characteristics. To understand compression and rarefaction, you must know that there are two types of waves called Transverse waves and Longitudinal waves. In mathematics a periodic travelling wave (or wavetrain) is a periodic function of one-dimensional space that moves with constant speed. Which wave(s) is a compressional wave? Figure 1 12. Click the Print button. The thermal characterisation of a heat wave is subjective, because it depends on the population's sensitivity and therefore on the place it occurs.