Geog
Underground water-bearing layers of porous rock, sand, or gravel
What is an aquifer?
Regular movement of Earth’s water from ocean to air to ground and back
What is the water cycle?
Process of cracking that occurs when the folded land cannot be beant any further
What is faulting?
Slow process in which an oceanic plate slides under a continental plate, creating debris that can cause continents to grow outward
What is accretion?
The part of the earth where life exists
What is a biosphere?
- Water located underground within the earth that supplies wells and springs
What is ground water?
The removal of salt from seawater to make it usable for drinking and farming
What is desalination?
process by which magma wells up between oceanic plates and pushes the plates apart
What is spreading?
The theory that the continents were once joined and slowly drifted apart
What is continental drift?
A thin layer of gasses that surrounds the Earth
What is the atmosphere?
A crack or break in the earth's crust
What is a fault?
A bend in layers of rock, sometimes caused by plate movement
What is a fold?
The movement of weathered rock and material by wind, glaciers, and moving water; the wearing away of solid
What is erosion?
The outer layer of earth, a hard rocky shell forming earth's surface
What is crust?
The uppermost layer of the Earth includes the crust, continents, and ocean basins
Molten rock is located below Earth's surface
What is magma
The process by which oceanic plates dive beneath continental plates, often causing mountains to for on land
What is subduction?
Chemical or physical processes that break down rocks into smaller pieces
What is weathering?
Piles of rocky debris left by melting glaciers
What is moraine
Condition of the atmosphere in one place during a short period of time
What is the weather?
Part of the continent that extends out underneath the ocean
What is a Continental shelf?
The innermost layer of the Earth made up of a super-hot but solid inner core and a super-hot liquid outer core
What is a core?
The term scientists use to describe the activities of continental drift and magma flow, which create many of earth's physical features
What is plate tectonics?
The thick middle layer of the earth's interior structure consists of hot rock that is dense but flexible
What is the mantle?
The watery areas of the Earth, including oceans, lakes, rivers, and other bodies of water
What is a hydrosphere?