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IB ESS Unit 1 Test Review updated already passed
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IB ESS Unit 1 Test ReviewEVS - correct answer ✔✔How worldview influences environmental issues
Inputs and Outputs - correct answer ✔✔Some inputs might include education, religion, media,
experience, etc (extrinsic forces). While outputs are the actions, decisions and evaluations that might
come from the extrinsic forces (solutions to problems).
Types of EVS - correct answer ✔✔Ecocentric, Technocentric, Androcentric,
Technocentric - correct answer ✔✔Technology will provide solutions to any human problem created.
Anthocentric - correct answer ✔✔People-centered, views from both, humans dominate and manage
nature.
Ecocentric - correct answer ✔✔Nature centered, nature controls us so we should limit resource usage.
3 Important events - correct answer ✔✔Cuyahoga River: The Cuyahoga river had burned as a result of
the sparks of a passing train in the oil soaked river from industrial waste--> Water Act, EPA
Love Canal: Dug by William Love he wanted to use it for energy. Community used it as a beach. Hocker
chemical company bought it and used it as a dumpster sold to the city. Lead to a disaster, drum
containers rotted reached peoples homes. Everything near canal broken. Effects were that kids had
burns, mothers with miscarriages, birth defects.Important because it lead to the Superfund Act which
gave EPA power to ask party responsible to pay for environmental damage.
Wilderness Act: sets aside designated wilderness areas for recreational or scientific use or use as wildlife
habitats.
Open systems - correct answer ✔✔A system that exchanges both matter and energy with its
surroundings.
, Ex: an ecosystem, a living organism, a boiling pot without a lid.
Closed systems - correct answer ✔✔A system that exchanges only energy, but not matter, with its
surroundings.
Ex: the earth, biochemical cycles, a pressure cooker.
Isolated systems - correct answer ✔✔A system that does not exchange matter or energy with its
surroundings.
Ex (approximate): the Universe, a sealed thermos.
How do all the systems relate to biogeochemical cycles? - correct answer ✔✔A biogeochemical cycle is a
circuit/pathway by which a chemical element moves through the biotic and the abiotic factors of an
ecosystem. It is inclusive of living organisms, rocks, air, water, and chemicals. All the chemical elements in
an organism are part of the biogeochemical cycle.
Storages that occur in the water cycle: - correct answer ✔✔Surface water: streams, rivers, lakes,
reservoirs, and wetlands
Groundwater: It exists in soils and sands that are able to retain water. The water table is the line
between unsaturated soil and saturated soil.
Wastewater: Wastewater is any water that has been affected in quality by human activities. Wastewater
can develop from agricultural activities, urban water use, and sewer inflow and storm water runoff just
to name a few.
Storm water: Storm water is defined by U.S. EPA as the runoff generated when precipitation from rain
and snow-melt events flows over land or impervious surfaces without percolating into the ground. This
water runs over surfaces like asphalt containing pollutants like engine oil, fertilizer, and radiator fluid.
Storm water not soaking into the ground ends up as surface runoff draining into rivers, lakes, streams
and oceans.
Transfers that occur within the water cycle: - correct answer ✔✔Evaporation:Evaporation is a type of
vaporization that occurs on the surface of a liquid as it changes into the gas phase.When the molecules
of the liquid collide, they transfer energy to each other based on how they collide with each other.
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