The Earth
plates (pieces of broken crust) that crash into and pull apart from one another
What is Plate Tectonics
process that removes rocks that are broken down into smaller pieces
what is erosion?
rivers that feed other rivers
What are Tributaries
Four principal ocean basins
What are the Pacific, Atlantic, Indian and Arctic Oceans?
the solid part of the earth
What is the Lithosphere
deep cracks in the earth's surface where two pieces of land have moved in different directions
What are Faults
when many mountains appear together
What are Mountain Ranges
main river and its tributaries
What is a River System?
Largest system of freshwater lakes in the world
What are the Great lakes?
the covering of air that surrounds our planet
What is the Atmosphere?
unconsolidated sediment that can bend upward when it is pushed from both sides
Folds
Highest Mountain range
What are the Himalayas
bodies of waters fully enclosed by land
What is a lake?
Largest lake in the world
What is the Caspian Sea
the outer layer of the earth
What is the Crust
claims that all of the continents were once linked into one supercontinent
what is the Continental drift theory
basic path of water flow within an ocean
What are Ocean currents
arm of an ocean partially enclosed by land
What is a sea
the water on the earth's surface
What is the Hydrosphere?
layer of hot, plastic material within the earth
What is the Mantle?
the breakdown of rocks by water, plant roots, temperature changes, and the formation of ice and mineral crystals
What is Weathering
Sacred Mother of the Waters that is the highest peak
What is Mt Everest
visible standing water with vegetation such as grass and small water plants
What is a Marsh
The Five Great lakes of the US
what are Lakes Huron, Ontario, Michigan, Erie, and Superior?
a violent upheaval of change in the earth's crust, especially a FLOOD
What is a cataclysm