Science Unit 5 - Water Flashcards
What is the water cycle? (From Evaporation)
Evaporation -> Condensation -> Precipitation -> Runoff -> Colection
Glacier meaning
Moving mass of ice and snow
Ice cap meaning
Glacier that forms in a level land that flows out from it’s centre
Icefield meaning
Upland area of ice that feeds two or more glaciers
Valley glacier vs Continental Glaciers
Valley Glaciers: Form in a valley
Continental Glaciers: Cover mountain ranges (Bigger)
Icefall meaning
Glacier flowing over a steep cliff and breaks up
Crevasse meaning
A fissure or crack in the ice
Pack ice meaning
A sheet of ice that is formed from freezing sea water
Iceberg meaning
Large chunks of ice that break loose or calve from continental glaciers
Cirques meaning
Bowl-shaped basin
Horn meaning
A sharpened peak
Arete meaning
A crest between two or more horns
Moraine meaning
A large ridge of material left by a glacier
Esker meaning
River within the ice formed by meltwater
What do greenhouse gases do
Greenhouse gases trap heat in the atmosphere
What is a watershed
An area of land that all drains into one body of water
What is the continental divide
A mountain range dividing NA into two main drainage areas
What is a headwater
The beginning of a river
What is a outflow
The end of a river
What is deposition
Dropped off material on banks and shores
What is an aquifer
An underground system of water that flows through porous rock
What is a water table
The upper level where the rocks are permanently saturated (full) with water
What is an ocean ridge
long undersea mountain chains
What are trenches
edge of an ocean plate pushes against the edge of a continental plate
Spring Tides vs Neap tides
Spring tides are bigger
