Geology Exam number 1′ – Flashcards
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the distribution of natural resources is influenced by the
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type of rocks,age of the rocks, and wayy in which the rocks formed D) all of these
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geology can help us learn about earth's past by studying
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E) all of these
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the main layers of the earth in correct order, from the surface moving down is:
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C)crust,mantle, inner core, outer core
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which layer in the earth is similar in composition to basalt
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B)oceanic crust
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The principle of isostasy refers to:
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B) the relationship between regional elevations and thickness of crust
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Which of the following is true about forces and energy imposed on Earth from Space
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suns electromagnetic energy is all blocked by earths protective atmospher
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which of the following is NOT one of the main families of rocks?
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D) metorites
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according to the rock cycle, sediment that is being transported by a river could become a metamorphic rock after
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A) uplift and weathering
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of earth's four overlapping spheres, which of the following does NOT invovle material above Eath's surface
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C) biosphere
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which of the following is considered to be one of the outer planets?
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e)none of these
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what is the youngest unit or feature in this figure?
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D) 4
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Which of the following is a principle to interpret relative ages?
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a) the youngest rock is on the bottom
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Which letter on the accompanying figure indicates the elevation
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A)
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which type of map or diagram would best indicate elevation of the land surface
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a) shaded-relief map
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this figure shows three blocks in water. Which of these materials is the most dense?
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d)the water
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which of the following is an example of quantitative data?
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e) non of these
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if a runner races 50 meters in 5 seconds how is she going
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c)10 meters per second
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which of the following best explains what a contour line is?
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A) line that connects the peaks and valleys of an area.
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which of the following is the principle of uniformitarianism
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c)the present is the key to the past
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which of the following features is associated with a deep oceanic trench
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a)mid-ocean ridge
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why the the tibetan plateau show in this figure, have a high elevation
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D)a and b only
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A divergent plate boundary is most likely associated with
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D)a and b only
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mid-ocean ridges are higher than surrounding oceanic crust primarily because:
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D) transform faulting uplifts the rocks
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the stages associciated with continental rifting are, in order from earliest to latest
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narrow ocean basin,wide ocean basin, contiental rift,uplift
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when a plate boundary changes its orientation, it can change from:
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A) all of the above
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on the accompanying figure, which leter is over the oldest oceanic crust
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A) a
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what kind of boundary is most likely to have volcanoes and earthquakes associated with it?
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C) convergent
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5000km 5cm per yea
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c)100 million years
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which of the following is NOT a mineral
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a) liquid water
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what are the two main ways that minerals are put together in rocks?
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b) ingenous bersus sedimentary
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a mineral property that can be observed without using a test is
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E) ALL OF THESE
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What arrangement of atoms does this iagram illustrate
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b) tetrahedron
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what type of cleavage is illustrated in this figure?
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a)one direction
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the most important class of rock-forming minerals on earth is
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D) silicates
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which of the following largely determines an atom's atomoic weight?
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D) the number of protons and neutrons
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moh's hardness scale
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B) calcite and quartz
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what causes a water molecule to be polar
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C) the position of the hydrogen atoms on one side of the molecule
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What is an isotope
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A) an atom with more electrons than protons
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coarsely crystalinne igneous textures indicate that
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e) the ash and pumice were hot and became compacted
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which of the following is the best example of heat transfer by conduction
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a) a pan placed directly on a burner
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which of the following igneous rocks would be formed by the fasted cooling
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e) volcanic glass
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what generally happens when subduction-derived magma encounters thick continental crust
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B) the magma solidifies in sheeted dikes with a composition of basalt
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a hot spot is interpreted to have formed from
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C) abundant magma formed within a typical mid-ocean ridge
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this volcano is relatively small and composed of volcanic cinders. What kind of volcano is it?
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A) scoria cone
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this is a relatively large symmetrical volcano contains interlayered lava flow,pyroclastic deposits and volcanic mudflows what kind of volcano is it
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C) composite volcano
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which of the following are ways that viscosity affects gases in magma?
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e) A and b only
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which of the following are differences between an eruption column and pyroclastic flow
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b) a pyroclastic flow rises higher into the atmosphere than the eruption column
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what type of basaltic feature is shown in this photograph
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c) aa lava flow
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a lava solidifies into nonvesicular basalt instead of vesicular basalt because
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d) the lava flow forms lava tubes
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hazards associated with basaltic lava flows and eruptions are
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d) all of the above
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composite volcanoes are so called because they
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b ) have nany different types of geologic hazards
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the most dangerous type of volcano is a
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d) composite volcano
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what was the most damaging type of eruption that occurred at vesuvius in italy
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d)one or more pyroclastic flows hit the ciry of pompeii
