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Chapter 12
Planet Earth
12
Science
3rd Grade
02/20/2012

Additional Science Flashcards

 


 

Cards

Term

 

continents

Definition
the seven major land masses into which the earth's land is divided
Term

 

landforms

Definition

 

features of the earth's surface

Term

 

geographer

Definition

 

a scientist who studies the earth's surface

Term

 

mountain

Definition
a landform that usually rises at least 2,000 feet above the earth's surface
Term

 

elevation

Definition

 

the height of a mountain

Term

 

valley

Definition
an area of low-lying land that is surrounded by higher ground
Term

 

erosion

Definition

 

removal of rock and soil by wind and/or water

Term

 

canyon

Definition
a valley that is very deep and has steep, rocky cliffs on its sides
Term

 

plains

Definition
mostly flat, level areas of land that cover about one-third of the earth's land surface
Term

 

lake

Definition

 

a large body of water surrounded by land

Term

 

river

Definition
a body of freshwater that flows from an upland source to a large lake or to the sea
Term

 

coastline

Definition

 

the place where land meets the ocean; the beach

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