voabulary words
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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| a scientist who studies the forces that make and shape earth | Geologist
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| the study of the planet earth | geology
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| a vibration that travels through earth carring the energy released during an earthquake | seismic wave
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| the layer of hot solid material between earths crust and core | mantle
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| the soft layer of the mantle on which the lithosphere floats | asthenoshere
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| a ridgid layer made up of the uppermost part of the mantle and the crust | lithosphere
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| the most amount of mass in a space given | density
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| the name of the single landmass that broke apart 200 million years ago and gave us the continents we have today | pangaea
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| a plae where new ocean floor forms as a result of volcanic eruptions and molten lava moving up through rifts | mid-ocean ridge
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| a deep valley that forms where two plates move apart | rift valley
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| a long, narrow steep-sided depressiion in the ocean floor where one crustal plate is forced beneath another | trench
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| a divice that determines the distance of an object under water by recording echoes of sound waves | sonar
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| the process by which oceanic crust sinks beneath a deep ocean trench and back intothe mantle at a convergent plate doundaries | subduction
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| the theory that pieces of earth.s lithosphere are in contant motion | plate tectonics
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| a break im earth's crust where slabs of rock slip past each other | fault
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| the point on the earth's surface directly above an earthquake's focus | epicenter
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| a divice that records ground movements caused by seismic waves as they move through earth | seismograph
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| a scale that rates seismic waves as measured b a particular type of seismograph | Richer scale
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| a larger wave produced by an earthquake on the ocean floor | tsunamis
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| melted rock deep within the earth | magma
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| magma that emerges on the surface of the earth | lava
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| a major belt of volcanos that rims the pacific ocean | ring of fire
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| a bowl shaped area that forms around a volcanos central opening | crater
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| a hot, fast moving type of lava that hardens to form a smooth ,ropelike coils | pahoehoe
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| a slow-moving type of lava that hardens to form rough chunts | aa
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| volcano that does not show sighs of erupting in the near future | dormat
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| volcano that is unlikly to erupt again | extinct
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| a fountain of water and steam that builds up pressure underground and erupts at regular intervals | geyser
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| energy from water and steam that has been heated by magma | geothermal energy
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| not formed from living things or the remains of living things | inorganic
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| a naturally occuring, inorgani solid that has a crystal structure and a definite chemical composition | mineral
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| a solid in which the atoms are arranged in a pattern that repeats again and again | cystal
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| a substance composed of a single kind of atom | element
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| substance in which two or more elements are chemically joined | compound
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| a scale ranking ten minerals from softest to hardest | mohs hardress scale
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| rock that cntains a metal or economicall useful mineral | ore
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| the observation or study by close examination and systematic inquire | investigation
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| steps tooken to solve a problem in science | scientific method
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| prediction or statement that can be tested | hypothisis
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| factor that is changed in an experiment in order to study changes in the dependant variable: also called the manipulated variable | independent variable
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| fsctor that is being measured in an experiment(the results) also called the responding variable | dependent variable
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| factors that stay the same during the experiment;also called controlled variable | constant
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| sample that is treated like the other experiment groups exsept the inependant(manipulated) variable is not applied | control
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| an experiment in which only one variable is manipulated | controlled experiment
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| the test of a hypothesis under cotrolled conditions | experiment
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| a cumulative body of observation | empirical evidence
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| tentative schemes or structures that correspond to real objects, events or classes of events, and have explanotory power | scientific modle
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| a well tested explanation for a wide range of observations or experimental results | theory
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| a statement hat describes what scientist expect to hapen every time under a particular set of conditions | law
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