Master Geography with Fun Quizzes & Brain Teasers!

The heterosphere is the layer of the atmosphere in which the gases are ________ because of ________. a. well mixed; the influence of gravity which causes gases of different weight to diffuse randomly b. well mixed; thermal motions (i.e., convection) c. poorly mixed; the influence of gravity which causes gases of different weight to separate into layers poorly mixed; thermal motions (i.e., convection)
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Earthquake Prediction Is ________.A. not possible B. possible for short times before some earthquakes based on things like animal behavior, but the U.S. does not make use of this method. C. somewhat good for very long term statistical analyses based on ideas like mapping seismic gaps; however, is not yet developed for short term predictions D. generally good if you live in an area along a plate boundary because we know how fast the plates are moving and can measure the stress accumulation
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Coarse-grained granite is most similar in mineral composition to fine-grained ________. Group of answer choices gabbro rhyolite basalt andesite
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Most of the active stratovolcanoes on Earth are located in a belt known as the ________. Group of answer choices Red Sea rift Mid-Pacific Ridge Gulf Coast Zone Ring of Fire
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Which approach is currently proving to be the most promising way of determining how life on Earth originated
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A delta is made of sediments deposited at the mouth of a river. A delta forms where the river meets the ocean because the ocean_____makes the river slow down and deposits sediment contains salt water and rivers have fresh water is usually much colder than the water in the river has powerful currents that weather rock on the shore.
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As we move inward from Galilean moons Callisto to Io we see the following trends: average moon density ______________, and geological activity ________________.
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________ forms from the metamorphism of limestone or dolostone. Migmatite Quartzite Marble Amphibolite
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The most abundant elements in Earth's crust are oxygen, silicon, and aluminum. For Earth as a whole, iron, oxygen, and silicon are most abundant. What may be concluded from this data
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Igneous rocks:___.a. were the first rocks to exist on the Earth. b. are coarse-grained if they cool extrusively. c. form only at the Earth's surface. d. form from the addition of heat and pressure to a pre-existing rock.
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In the formation of braided streams, streams with heavy loads deposit sediment in the stream channel to form sandbars or islands. Order the steps of how this occurs with the first step on top. Instructions: Choice 1 of 5. Velocity begins to slow down in the stream channel. toggle button Velocity begins to slow down in the stream channel. Choice 2 of 5. Light particles settle out of the stream flow. toggle button Light particles settle out of the stream flow. Choice 3 of 5. Velocity slows further. toggle button Velocity slows further. Choice 4 of 5. All the deposited layers form a sandbar in the stream channel. toggle button All the deposited layers form a sandbar in the stream channel. Choice 5 of 5. Heavy particles settle out of the stream flow. toggle button Heavy particles settle out of the stream flow.
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A(n) ________ is an uncut or regenerated forest that has not been seriously disturbed by human activities or natural disasters for 200 years or more. A. second-growth forest B. first-growth forest C. old-growth forest D. commercial forest tree farm
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1. Describe the formation of hotspots and how the age of the volcanoes changes along the plate motion direction. 2. What is a fault
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Chemically, the Moon is quite similar to ________. Group of answer choices Earth's mantle Earth's core a typical comet Earth's crust
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In a landscape that has experienced glaciation...a. the ice preserves the original landscape in 'suspended animation'b. one finds extensive dunes and hillocksc. deposition of material is limited to fine particles called 'glacial flour'd. the landscape has been transformed by indiscriminate weathering and transportation of large amounts of material.
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Subduction zones are areas where [ Select ] . Mid-ocean ridges (divergent plate boundaries) are [ Select ] . Transform boundaries [ Select ] . The San Andreas fault is an example of [ Select ] .
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Potassium-40, which is presumed to have existed at the formation of the Earth, is used for dating minerals. If 3 5 of the original potassium-40 exists in a rock, how old is the rock
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Rocks of Glacier National Park exhibit sedimentary features like mudcracks, ripplemarks and stromatolites. All of these indicate that the depositional environment in northern Montana at the time was:
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As air rises up the windward side of a mountain, it will move into a region of __________ air pressure and will therefore be cooled by __________.
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Low-pressure systems exist around ______ degrees latitude, whereas high-pressure systems are in the subtropics and at the poles
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Predict how the scene would change if the river's normal water level became:(a) 1 m higher 50 years from now(b) 1 m lower 50 years from now
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The melting and subsequent retreat of glaciers is a long process that may take centuries. Why is something so slow considered an extreme disturbance
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Geologists can determine the relative age of features on a planet because Choose one: A. the ones on top must be younger. B. the ones on top must be older. C. the larger ones must be younger. D. the larger ones must be older. E. all the features we can see are the same age.
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A ________ is a near surface, intrusive igneous rock body that results from local inflation of a horizontal sill.
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