A
_______________________ destroy and wear away landmasses through processes like erosion and weathering.
Destructive Forces
_______________________ is the major agent of the erosion that has shaped Earth's land surface.
Moving water
____________________ constantly pulls a glacier downhill.
Gravity
The ___________________ is a layer of solid rock that includes both dry land and the ocean floor.
Crust
____________________ can cause erosion through a process of chemical weathering.
Groundwater
Lands are constantly being ____________________ and __________________________ by competing forces.
created
destroyed
_____________________ can form only in an area where more snow falls, than melts.
Glaciers
The deeper down inside Earth, the greater the _______________.
Pressure
The _________________________ is made mostly of the metals iron and nickel.
Core
The __________________ is made of rock that is very hot, but solid.
Mantle
What are the THREE main layers of Earth?
crust
mantle
core
The two processes by which glaciers erode the land are __________________________________ and ________________________.
plucking
abrasion
_____________________ creates landforms such as alluvial fans and deltas.
Deposition
______________________ shape the land's surface by building up mountains and other landmasses.
Constructive Forces
The three layers of Earth vary in what FOUR ways?
size
composition
temperature
pressure
Waves shape a coast when they deposit sediment forming what FOUR coastal features?
beaches
sandbars
barrier beaches
spits
What are the FOUR main spheres of the Earth System?
atmosphere
geosphere
hydrosphere
biosphere
Through erosion, a river creates what FIVE things?
valleys
waterfalls
flood plains
meanders
oxbow lakes
____________________________ can flow in all directions as they move.
Continental Glaciers