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### 108 Cards in this Set

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 what is the HIGH point of a wave crest what is the LOW point of a wave TROFT amplitude = the ______ amount of movement from the resting position. (ENERGY) MAXIMUM THE greater the _____ the more energy the wave has amplitude wavelength = the distance between... crests or trofts what are wavelengths measured in lambda which is in meters frequency = the number of _____ per unit of time wave cycles what is frequence of waves measured in meters/sec in hertz More/increased energy will give a high or low frequence? high Dececreased ______ will give a low frequency energy what are 3 types of waves transverse, longitudinal,and combination waves(surface waves) which wave has particles of waves which move at a right angle to the direction the wave is moving. transverse which wave is a combination of transverse and longitudical waves which occur when waves form different mediums meet. Called a surface wave. combination Which wave has particles which moe in the same direction as the wave. Because of this, it is made up of compressions and refractions. longitudinal give an example of transferse waves electromagnetic wave give an example of longitudinal wave sound waves give an example of combination waves water/ocean waves _____ is when the wave bounces back after hitting a surface. It will bounce back at the same degree which it hit the surface reflection when the wave bends because of a change in speed. The change in speed occurs because the wave travels through one medium to another. what type of wave interaction? refraction what is differaction when the wave bends around the edge of an obstacle what is interference when 2 or more waves arrive at the same place at the same time. They will combine called constitive interference or cancel each other called destructive interference what is a standing wave when the waves appear to not be moving (ex. a rope tied to a doorknob) waves are made of vibrations what is a wave a traveling distrubance in all directions. transfers energy from one place to another only the ____ MOVES FORWARD not the medium (the material). The object will bob and return to rest position once wave passes waves no cheating! wave energy - an object that is vibrating is ____ and has ____ moving and has energy when an object vibrates the particles of that object cause other particles to ______. This is how the wave is ______ vibrate transmitted what wave requires a medium to travel? Mechanical waves MMMMMMechanical = MMMMMatter what wave does not require a medium? can travel in what is called a vacuum (empty space) Electromagnetic wave example - light, xrays by what means does energy travel? In other words, what form does energy travel IN WAVES WHAT IS a distrubance that transmits energy through matter or spaces wave what is a medium a substance through which a wave can travel a wave in whic the particles of the wave's medium vibrate perpendicular to the direction the wave is traveling transverse wave a wave in which the particies of the medium vibrate back and forth along the path that the wave travels longitudinal wave what is amplitude the maximum distance a wave vibrates from its rest position what is wavelength the DISTANCE between one point on a wave and the corresponding point on an adjacent wave in a series of waves what is frequency the number of waves produced in a given amount of time what is wave speed the speed at which a wave traels the bouncing back of a wave after it strikes a barrier or an object reflection the bending of a wave as it passes at an angle from medium to another refraction what is diffraction the bending of waves around a barrier or through an opening what is interference a wave interaction that occurs when two or more waves overlap a wave that forms a stationary pattern in which portions of the wave do not move and other portions move with a large amplitude standing wave what occurs when an object vibrating at or near a resonant frequency of a second object causes the second object to vibrate resonance which of the following waves might your family experienced after a day at a beach A..water waves B..microwaves C..light waves D..sound waves A- C- and D a wave can carry energy away from its source t or f true air doesn't travel with sound waves. what would happen if it did you mihgt feel a rush of air every time you heard a sound waves can transfer _____ through the vibration of ______ in solid, liquid, or gas energy medium electomagnetic waves are waves that require a medium to transfer energy t or f false which of the following lists of waves contains ONLY mechanical waves a. radio waves, x rays, sound waves b. seismic waves, water waves, microwaves c. microwaves, water waves, x rays d. sound waves, seismic waves, water waves d. waves made by the breeze are very different than waves created by the speedboat. why waves created by the breeze are short and close together. waves created by the speedboat are tall and widely spaced and have more energy which is NOT true of amplitude a. the smaller the amplitude, the more energy that is carried by a wave b. it is the maximum distance a wave vibrates from its resting position c. the larger the amplitude of a water wave, the taller the wave d. all a. wavelenth can be measured between corresponding points on two adjacent waves t or f true the frequency of a wave is the ____ of waves produced in a given amount of time. To measure frequency of a transverse wave, I can count the number of ____ or ____ that pass a point in a certain amount of time. number crests troughs t or f the frequency of a wave is not related to its wavelength false when wavelength decreases, frequency increases false a wave with a low frequency carries less energy than a wave with a high frequency true frequency is expressed in hertz true the speed of a wave is the ___ traveled by a wave in a given amount of ____. speed time Wave speed is equal to _____ x ______ wavelength x frequency what can you calculate if you know the frequency and speed of a wave lambda the moon doesn't produce light like the stars do. so why does the moon shine because the sun shines so bright it reflects off the moon so we can see it reflection is when waves hit a barrier and some of them pass through it t or f false water waves cannot be reflected t or f false sound waves that reflect off canyon walls or classroom walls are called echoes why does a pencil in ahalf filled glass of water look like its broken because of refraction which is the bending of a wave as it is at an angle from one medium to another a wave bends when it enters a new medium because the part of the wave that enters first is traveling at a diffeent sped than the rest of the wave t or f true which of the following are true of diffraction a. waves curve or bend when they reach the edge of an object b. waves bend through an opening c. sound travels around buildings d. the size of the barrier does not affect the amount of diffraction a, b, c diffraction of a wave depends on what two things its wavelength and the size of the barrier interference is the result of two or more waves combining to form three waves t or f false constructive interference or destructive interference? the crests of two waves overlap constructive constructive interference or destructive interference? the resulting wave has a smaller amplitude than the original waves had destructive constructive interference or destructive interference? waves of the same amplitude cancel each other out destructive WHAT IS a distrubance that transmits energy through matter or spaces wave what is a medium a substance through which a wave can travel a wave in whic the particles of the wave's medium vibrate perpendicular to the direction the wave is traveling transverse wave a wave in which the particies of the medium vibrate back and forth along the path that the wave travels longitudinal wave what is amplitude the maximum distance a wave vibrates from its rest position what is wavelength the DISTANCE between one point on a wave and the corresponding point on an adjacent wave in a series of waves what is frequency the number of waves produced in a given amount of time what is wave speed the speed at which a wave traels the bouncing back of a wave after it strikes a barrier or an object reflection the bending of a wave as it passes at an angle from medium to another refraction what is diffraction the bending of waves around a barrier or through an opening what is interference a wave interaction that occurs when two or more waves overlap a wave that forms a stationary pattern in which portions of the wave do not move and other portions move with a large amplitude standing wave what occurs when an object vibrating at or near a resonant frequency of a second object causes the second object to vibrate resonance which of the following waves might your family experienced after a day at a beach water waves microwaves light waves sound waves water waves light waves and sound waves by what means does energy travel in waves waves can be transmitted through what phases of matter solid, liquid, gas what happens to the medium when a wave passes thru it it does not move what 2 properties affect the speed of a wave density and elasity define transverse wave a wa what is trough the lowest point of a transverse wave what is compression a region of higher density or pressure in a wave through a wave, what is transmitted re define amplitude the maximum distance a wave vibrates from its rest position a medium can carry longitudinal waves because of its mass color ductility density density the energy of a wave is directly related to what characteristic of a wave the amplitude define wave a disturbance that transmits energy through matter or space in what is wavelength measured meters hertz measures what part of a wave frequency define hertz the unit used to express frequency; one hertz is one cycle per second for what is lambda the symbol wavelength give an example of a wave that can be transmitted through a vacuum visible light/electromagnetic define frequency the number of waves produced in a given amount of time what happens to an object floating in water as a wave passes the object bobs up and down but does not move forward as the wave passes how are amplitude and the energy a wave has related? more energy = higher amplitude less energy = smaller amplitude