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34 Cards in this Set
- Front
- Back
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What is the difference between hills and mountains |
hills are lower and have gentle/rounded slopes |
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What is the Great Plains and what is it good for? |
in the middle of the US and, because it is flat, is good for farming |
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landform |
natural land shape |
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topography |
description or type of the landform |
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range vs. mountain |
range is a group of mountains |
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plain |
topography: large, flat landform with little relief |
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relief |
the difference in elevation between high and low places |
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glacier |
large, thick sheet of ice |
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moraine |
long, low hills formed by materials carried by glaciers |
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how does glaciers impact topography |
in addition to carrying materials, like moraines, glaciers shape the land |
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what is the difference between a hill and moraines? |
moraines have rock, sand and clay deposited together |
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sand dunes |
sand hill that is made and shaped by wind |
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sand spits and barrier island |
long, narrow piles of sand that help protect the mainland from wave erosion |
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sandbar |
when the flow of a river slows, the sand settles. river carries sand from the land they flow through |
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mesa |
tall, flat-topped rock feature; formed as running water erodes the surrounding rocks |
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What is canyon? What is the largest canyon in the world? |
a deep valley with steep sides Grand Canyon, which was formed by the Colorado River |
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weathering |
process of wearing away rock by natural means |
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delta |
an area of new land at the mouth of a river formed from deposition |
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sinkhole |
groundwater can weather and erode soft rock underground. |
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landslide |
gravity can make soil, mud and rocks move down |
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layers of the Earth, from upper to lower |
crust, mantle, outer core and inner core |
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plates |
the crust and upper mantle 10 major plates blocks that float on the softer rock of the mantle |
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which of Earth's layers is liquid |
outer core; pressure turns the inner core solid iron and nickel |
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earthquake |
movement of the ground caused by a sudden release of energy in the Earth's crust |
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focus vs. epicenter |
focus is the place in the crust the releases energy and epicenter directly above the focus. epicenter is likely be the experience the most damage |
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fault |
break in the Earth's crust, likely near the edge of plates |
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pushing or sliding past crust, vs pulling apart |
strong vs. weak earthquakes |
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magnitude |
amount of energy released, measured by Richter Scale |
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richter |
each level is 32x greater from the successive level |
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magma vs. lava |
lave is molten rock that has reached the Earth's surface |
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what are the 3 types of volcanoes |
composite, shield and cinder cone |
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how are mountains formed |
crust is crumpled or pushed upwards; less dense goes upward |
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how does what happens to glaciers impact sea level |
rises |
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geology |
study the makeup, changes and history of Earth |
