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Kristen's science test study cards

Quiz yourself by thinking what should be in each of the black spaces below before clicking on it to display the answer.
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stalagtite   an iciclelike mass of dripstone that forms on the ceiling of a cave  
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living fossils   animals such as the coelecanth that disappear abruptly from thfossil record, yet are still alive today  
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puncutallted equilibrium hypothesis   the evolutionary hypothesis which states that new kinds of organisms arise in just a few generations as a result of massive genetic rescramings  
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erosion   general term for the carrying away of rock fragments such as by wind or running water  
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weathering   general term for the process by which rocks are broken down by the forces of nature  
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mass waisting   general term for movements of rock and soil caused by gravity  
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paleontology   the study of fossils  
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sea stack   pillar like structure of rock formed when the middle of a sea arch collapses  
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geological colomn   a hypothetical evolutionary time scale that pposedly charts both the earth's history and the sequence of rock layers in the earth's crust  
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abrasian   the sandblasing action of windblown sand  
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chymical, physical   the two types of weathering  
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drainage basin   a region of land drained by a stream or river system  
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meander   winding, looping curve in a river on a flat flood plain  
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fossil   the preserved remains of plants, animals or humans in sedimentary rock  
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ice age   the perid of history during which much of the earth's high latitudes were apparently covered with glaciers  
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delta   a fan shpaed deposit of sediments at the mouth of a river  
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stalagmite   a spirelike mass of drpistone that forms on the floor of a cave  
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exfoliation   type of weathering often associated with granite, that involeves the breaking or peeling away of rock in layers  
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drumlin   low hill formed when advancing glacier overuns an old moraine  
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no transitional forms   what is the most important evidence agains evolution?  
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special creation   the belief that God called the universe andall that is in it into existence out of nothing  
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evolution   the belief that the universe and all that is in it originated by natural processes over bllions of years  
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uniformitarianism   false beliefthat all geological processes have always proceeded at the same rate  
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principle of uniformity   states tht the same scientific laws in operation today have existed throughout the earth's history  
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australopitecines   the fossil known as "lucy" is an exampl of this group of extinct apes  
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natural selection   the idea that the fittest and strongest of heach species ae mre likely to survie and reproduce that weakr or unfit members of the species  
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Charles Darwin   the British naturalist who popularized evolution with the book on The Origin of Species  
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mass   the quantity of matter an object contains  
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3rd law of motion   states that for every action there is an equal and oppote reaction  
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9.8 m/s   acceleration of gravity at the earth's surface  
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velocity   the speed of an object in a particular direction  
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Sir Issa Newtion   formulated the laws of motion and gravitation  
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strong nuclear, weak nuclear, gravitational, electromagnetic   the four fundamental forces of nature  
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inertia   the tendency of matter to reist changes in motion  
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more slowly   according the the second law of motion, a given force would cause a heavier object to accelerate________than a lighter object  
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at the same rate   Galileo discovered that without air resistance, heavier objects fall_________as lighter objects when dropped  
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vector   an arrow that represents the magnitude and direction of a physical quantity of a diagram  
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mechanics   the branch of physics that deals with objects in motion  
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speed   the distance coered by an object in a certain period of time, rate of motion  
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acceleration   any change in speed, direction, or both  
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interferance   the mutual reinforcement or cancellation that occurs when wo or more waves meet  
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decibel   the unit usually used to measure sound intensity in the way that reflects how our ears perceive sound  
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defraction   spreading out of a wav after it passs through a narrow opening  
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pitch   the ffect offrequency on the way our ear perceives sound  
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constructive   when two crests or two troughs of interfering waves coincide they strengthen each other  
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refraction   the being of the path of a wave as a result of a change in wave speed, such as when crossing a boundary between medium  
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ultrasonic   sound with a frequency above the ranceof human hearing  
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frequency   the number of complete waves that pass a given point in a second  
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supersoic   speeds faster than the speed of sound  
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hertz   he SI unit of frequency equal to 1 wave or cycle per second  
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amplitude   the maximum distance that paricles are displaced by a wave  
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law of reflection   the angle of incidence is equal to the angle of reflection  
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longitudinal wave   a series of compression and rarefaction pulses traveling along a spring  
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constructive, destructive   the two kinds of wave interferences  
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wavelength   the distance from one wave crest or trough to the next  
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overtones   sounds produced by a musical instrument at highter frequencies than the funamental  
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doppler effect   a change in sound frequency caused by an object's motion  
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infrasonic   sound with a frequency below the rance of human hearing  
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medium   the substance through which a wave transfers energy  
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wave   a periodic back and forth motion that transmits energy through a substance  
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destructive interference   the wave interference that occurs when the crest of o wave and a trough of another pass through each other, canceling each other out  
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reflection   the change in the course of a wave as a result of a collision with an object  
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transverse waves   a series of side to side wavestraveling along a rope  
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inverse square law sound intensity   a sound at a distance of 1 meter is 100 times more intence than the same sound at a distance of 10 meters  
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crest   the highest point of a wave  
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75 m/s   what is the speed of water wave with a wavelength of 25 feet and frequency of 3 hz? ( speed= wavelength x frequency)  
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