Waves - Overview 2023

Target Language or Knowledge:

Match the pairs below:
wave → A ________ is a disturbance that transmits energy., transverse → A __________ wave move up and down, but the wave itself moves at a 90° angle to this motion., crest → The highest point of a transverse wave is called ________________., trough → The lowest point of a transverse wave is a _______________., longitudinal → In a ________________ wave, the particles in the medium move back and forth in the same direction the wave travels., compressional → Another name for a longitudinal wave is a __________________ wave., compressions → A longitudinal wave consists of areas called _____________ , in which the medium's particles are crowded together., rarefactions → Between compressions are ____________ , in which the medium's particles are farther apart., Surface → ___________ waves occur at or near where two different mediums, or media, meet. These waves have properties of both transverse and longitudinal waves., Wavelength → _______________ is the distance between 2 corresponding points on a wave cycle., between → The wavelength of a transverse wave is the distance _________ two crests or two troughs., distance → The wavelength of a longitudinal wave is the __________ between two compressions or two rarefactions., Frequency → _______________ is the number of waves that pass a point in one second, is another wave property;, long → Waves with __________________ wavelength will have low frequency., high → Waves with short wavelengths have ______________ frequency., Hertz → Frequency is measured in units of ___________ (Hz)., Amplitude → __________________ is how much energy the wave is carrying. High crests, or tight compressions, are indicators of this., speed → Wave ___________ is the speed at which a wave travels. ex. Speed of light, Speed of sound, etc., Refraction → _______________ is the bending of a wave caused by a change in the speed of the wave as it passes through one medium and into another., interference → As 2 or more waves overlap they combine to form a new wave. This is called _______________., Diffraction → _______________ occurs when a wave strikes an object and the wave bends or changes direction as it moves around the object. ex. Radio towers, sound around corners, etc., Reflection → _______________ occurs when a wave strikes an object and bounces off of it. ex. Mirrors, echoes, visibility of objects, echolocation, etc., resonance → The tendency of a system to vibrate with increasing amplitudes at some frequencies is _________________., Mechanical → _______________ waves require a medium (matter) in order to transport their energy from one location to another., vacuum → Electromagnetic waves can move through a _________ because it is both particle and wave., Constructive → The interference that occurs when waves combine to make a wave with a larger amplitude., Destructive → The interference that occurs when two waves combine to make a wave with a smaller amplitude