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Ch 1 Sec 1 Exploring Earth's Surface
Ch 1 Sec 1 pg 14
18
Science
6th Grade
02/24/2013

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Term
topgraphy
Definition
the shape of the land. This includes the area's elevation, relief, and landforms.
Term
elevation
Definition
the height above sea level of a point on Earth's surface.
Term
relief
Definition
the difference in elevation between the highest and lowest parts of an area.
Term
landform
Definition
a feature of topography, such as a hill or a valley, formed by the processes that shape Earth's surface.
Term
landform region
Definition
a large area of land where the topography is made up mainly of one type of landform.
Term
plain
Definition
a landform made up of nearly flat or gently rolling land with low relief.
Term
plateau
Definition
a landform that has both high elevation and a more or less level surface.
Term
mountain
Definition
landform with high elevation and high relief.
Term
mountain range
Definition
a group of mountains that are closely related in shape, structure, and age.
Term
lithosphere
Definition
Earth's solid layer of rock. One of four spheres into which scientists divide the Earth
Term
atmosphere
Definition
The mixture of gases that surrounds Earth. The outermost of four spheres into which scientists divide the Earth
Term
biosphere
Definition
All living things. One of four spheres into which scientists divide the Earth
Term
hydrosphere
Definition
Earth's water and ice. One of four spheres into which scientists divide the Earth
Term
paleontologist
Definition
a scientist who studies fossils to learn about organisms that lived long ago
Term
erosion
Definition
wears away Earth's materials by water, wind or ice.
Term
delta
Definition
a fan- shaped deposit of earth materials at a mouth of a stream.
Term
drainage basin
Definition
a system of rivers and streams that drains an area.
Term
canyon
Definition
a V-shaped valley eroded by a river or stream
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