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ESS Unit 3

TermDefinition
global warming worldwide increase in earth's average surface temperature
greenhouse gasses gasses (like carbon dioxide and methane) that absorb and hold heat in the atmosphere
greenhouse effect trapping of gasses in the atmosphere that hold heat (like a greenhouse)
glaciers giant sheets of slow moving ice
carbon cycle animals breathe out carbon dioxide, plants breathe it in to make glucose. Carbon moves in and out of carbon reservoirs.
photosynthesis plants turning carbon dioxide, water, and sunlight into glucose and oxygen.
reservoirs places and supply and store carbon (also called carbon sources or carbon sinks). Examples: forest, oceans, atmosphere, etc.
Industrial Revolution A time when humans invented a lot of new things and started using lots of fossil fuels (coal, natural gas, etc.) for energy.
Deforestation Removing trees and whole forests
Density of Cold vs warm water Cold water is denser than warm water. Cold water sinks.
Density of salty water Water with more salt (more salinity) is more dense than water with less salt. Very salty water sinks.
Organic Matter Material from dead organisms that has decomposed (and is part of the soil or at the bottom of the ocean).
Equator An imaginary line across the middle of the earth. 0 latitude.
Gulf Stream An important ocean current that brings warm water from the equator up the east coast of North America and across the Atlantic ocean to Europe.
Surface Ocean Currents Warm and Cold flows of water across the ocean. Caused by wind, rotation of the earth, the shape of the ocean floor.
Warm ocean currents Take warm water from the equator towards the poles. They can warm up climates.
Cold ocean currents. Take cold water from the poles towards the equator. They can cool down climates.
Albedo How reflective a surface is. Ice/snow have a high albedo and reflect a lot of solar radiation.
Coriolis effect The rotation of the earth causes global wind patterns. These cause ocean currents.
Created by: mharms
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