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Details Title: Wave motion and behavior Description: Chapter 6-Mr. Drake Total Flash Cards: 59 Created: 05/01/2007 14:34:06	To study from this set of flash cards, or to create your own your own study flash cards, register HERE. If you are already a registered user, CLICK HERE.
Cards Term Wave Definition a periodic disturbance- back and forth change of some kind that is repeated reguarly as time goes on- that spreads out from a source and carries energy with it. Term mechanical waves Definition Travel only through matter and involve the motion of particles of the matter they pass through Term mechanical waves Definition Travel only through matter and involve the motion of particles of the matter they pass through Term mechanical waves Definition Travel only through matter and involve the motion of particles of the matter they pass through Term water waves and sound waves Definition examples of mechanical waves Term electromagnetic waves Definition consist of varying electric and magnetic fields can travel through matter and vaccum chamber. Term transverse Definition partivles move perpendicular to the direction in which the wave moves Term longitudinal waves Definition consists of compressions and rarefactions. Motion of individual units is along the same line that the wave travels. Term combination of transverse and longitudinal Definition What kind of waves are water waves? Term only through solids Definition What medians can transverse travel though? Term any median, fluid or solid Definition What can longitudinal waves occur in? Term longitudinal because molecues in path move same direction (back and forth) in the same direction of the waves Definition what are sound waves? Term faster through liquids, then solids, then gases Definition where does sound travel the fastest? Term the louder the sound Definition more energy a sound wave carries Term decibel Definition unit used to describe how powerful a sound is Term wavelength Definition distance from crest to crest trough to trough Term speed Definition rate at which crest moves Term frequency Definition number of crest that pass though waves in a certain second Term period Definition time needed for one complete wave (crest + trough) to pass a given point Term amplitude Definition height of the crest above the undisturbed level Term infrasound Definition waves below 20Hz Term ultrasound Definition waves above 20,000 Hz Term earthquake Definition natural phnomena that consists of rapid vibration of rocks near surface Term focus Definition place where crustal blocks have moved Term epicenter Definition point on surface directly over the focus Term body waves Definition waves that travel through earths interior Term P waves and S Waves Definition 2 examples of body waves Term s waves Definition transverse. Cannot move through liquid push pull vibration Term p waves Definition longitudinal like sound waves cam travel through liquid and solids Term surface waves Definition waves that travel along the surface Term love waves Definition transverse surface waves with vibbrations parrael to the surface Term rayleigh Definition surface waves taht involve orbital movements Term seismographs Definition insturments that detect earthquakes Term shadow zones Definition where p and s waves do not exist Term mohorovicic discontinuity Definition the surface between outer shell and mantle below it Term trangressing Definition coarset seidiment on bottom Term regressing Definition finest rock on bottom Term interference Definition adding together of two or more waves of the same kinds that pass through the same point at the same time. Term constructive and destructive Definition what are the two types of interferece Term refraction Definition _____ of waves due to slowing down on the bottom and sort of bending Term reflection Definition when waves meet an obstacle, they hit it, bounce off and reform Term diffraction Definition waves ability to bend around the edge of an obstacle in their path. Term mesozoic Definition 65 million years ago Term crustaceous Definition no hymalyas, small alantic ocean no gynosperms Term tropical, no ice caps at poles Definition What was the climate during the jurrassic Term 1. Triassic 2> jurassic 3. crestaceous Definition name periods in order of the mesozoic Term mostly desserts Definition climate in triassic Term sauropods Definition largest animal to ever walk the earth Term much wetter than triassic, contients moved apart Definition what happened to climate in jurrasic? geogically Term cynodont Definition what is the missing link between reptiles and mammals Term lungfish Definition missing link between fish and amphibians Term comet, extreme volcanic and techtonic activity Definition what ended mesozoic Term yucatan penn. in Mexico Definition where did coment hit? Term 65% Definition what % of living things died out at the end of mesozoic? Term life recovered and created a rain forest in the eocene Definition what was the beging of the mesozoic like? Term eocene Definition first epoch in cenozoic Term germany Definition what country was the center of volcanic activity? Term birds Definition what where largest preditors in the early eocene>? Term p waves Definition waves that are faster, longitudinal, less wasted energy