Earth's Structures Unit Test Review: Question Preview (ID: 30172)

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Which will most likely form when movement along a plate boundary forces a landmass to be pulled apart?
a) Volcanic island arc b) Continental mountans. c) Continental rift. d) Oceanic trench.
Which layer of the Earth’s structures is believed to make up the majority of its mass and volume?
a) Mantle b) Magma c) Crust d) Core
What two elements from the periodic table are most abundant in Earth’s crust?
a) Oxygen and silicon b) Iron and silicon c) Iron and nickel d) Copper and nickel
Which best explains the process responsible for the formation of soil in Earth’s crust?
a) Soil forms when a volcano causes iron and nickel from the inner core to rise to the surface of the Earth. b) Soil forms as a rock is broken down by the process of weathering and then mixes with other materials on Earth’s surface. c) Soil forms when plate movement beneath Earth’s surface results in an earthquakes which then causes cracks in Earth’s crust. d) Soil forms when a volcano and an earthquake occur at the same time as magma rises and is broken apart by the earthquake.
Which describes the formation process of an igneous rock?
a) Sand grains are cemented together. b) Pressure and heat are applied to rock. c) Rock melts and hardens beneath the ground. d) The remains of small organisms and shells are buried under the sea floor.
How do seismic P-waves compare with sound waves?
a) Both are transverse b) Both are caused by vibrations. c) Both are longitudinal. d) Both are able to travel in outer space.
Which similarity is shared by seismic P-waves and light waves?
a) Both are transverse and therefore have a crest and trough. b) Both are caused by vibrations. c) Both are longitudinal and therefore have compressions and rarefactions. d) Both are able to travel in outer space.
Which is the point beneath Earth's surface where rock breaks and triggers an earthquake?
a) syncline b) footwall c) epicenter d) focus
How are seismic P-waves different from seismic S-waves?
a) S-waves can only travel through solids, but P-waves can travel through all states of matter. b) P-waves can only travel through solids but S-waves can travel through all states of matter. c) P-waves are longitudinal, but S-waves are transverse. d) S-waves are longitudinal, but P-waves are transverse.
Which is the major process that wears down whole mountain ranges?
a) Earthquakes b) Weathering c) Plate Movement d) Silt deposition
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