A
Natural features on Earth's surface
Landforms
Talest landform
Mountains
Formed by melted rock
Volcanoes
Flattest landform
Plain
Covered by the sea
Cont shelf
Narrow steep sided valleys
Canyons
Shaped like a triangle
Delta
At the base of the slope
Cont rise
Underwater canyons form on this
Cont slope
Connects continents to ocean floor
Cont rise
Mountain ranges bottom of ocean
Ocean ridge
Landforms are on this layer
Crust
Rock can change shape on this layer
Mantle
Mostly melted iron
Outer core
Probably made of iron
Inner core
Thinnest crust found here
Under ocean
Thickest crust found here
Under cont
Formed when river meets ocean
Delta
Area of land drained by flowing water
Drainage basin
Landform shaped byvwater
Valley canyon
Landforms without hills
Plain
This combines with water to make mountains steeper
Wind
This combines with wind to make valleys deeper
Water
Much of north America is a drainage basin for this river
Mississippi river
Sphere of solid material is this layer
Inner core