Geology FINAL EXAM-Test Questions.

What percent of the U.S. population lives within 75km of the shoreline?
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Terms in this set (36)
T/F Harry Winston bought the Hope Diamond where it is now on display in the SmithsonianTRUET/F By 3.5 billion years there was life on earthTRUESprites, Elves and Blue Jets which occur on the top of thunder storms, are called?Transient Luminous eventsThe earth's magnetic field is generated by giant convection currents in what internal layer?Outer CoreTides and periodic regional rise and fall of water level caused by?The combined gravitational pull of the moon and sunT/F Tidal extremes are greatest when the Earth, Moon and Sun are all aligned in a straight line?TRUEThe moon has a mean diameter of how many miles?2,160 milesWho was the first person to set foot on the moon?Neil ArmstrongThe maria (dark colored areas) on the surface of the Moon are?Flat plains created by extensive lava flowsThe lunar highlands (light colored areas) on the surface of the of the Moon are?Heavily cratered mountainsThe most common silicate MINERAL formed in the crust of BOTH the Earth and Moon is?FeldsparThe most common topographic and geologic features on the Moon are?-IMPACT CRATERSMost common type of rock found on the moon is?BrecciaWhat impact crater on the Moon is the largest known impact crater in our Solar System?South Pole-Aiken BasinIt is hypothesized the Moon was created?When a Mars-size object smashed into EarthBecause the moon has a crust, upper mantle, lower mantle, upper/inner core, each of which has a distinct geochemical composition it is referred to as a?Differentiated bodyWhat are the three factors that dictate wave size?-Wind duration -Wind Velocity -FetchDiamonds were first mined in gravel bearing deposits in?IndiaThe four factors universally recognized in the gem trade that determine the value of a particular diamond are?-Carat -Clarity -Color -CutVery small diamonds used as accents around the larger stone are called?PointsExternal diamond flaws are called?BlemishesT/F The cut of a diamond refers to the symmetry, proportion, and polish of a diamondTRUEThe color variations in diamonds are caused by?-Impurities in diamond lattice -Exposure to natural radiation -Defects in the structural shapeThe most common impurity found in diamonds are?Nitrogen atomsOver the span of 3.5 billion years, how many species have lived on Earth?2 billionOn May 25th, 1961, what president announced before a special joint session of Congress the dramatic and ambitious goal of sending "Americans safely to the Moon and back before the end of thee decade"President John F. Kennedy