Water and Carbon cycles as natural systems 0.0 / 5 ? GeographyWater and Carbon CyclesA2/A-levelAQA Created by: RhodesNCreated on: 25-05-18 10:22 what is a closed system? transfer of energy, but not matter, between system and its surroundings 1 of 10 what is a open system? a system receives inputs and transfers outputs of energy or matter across boundaries in and with surroundings 2 of 10 what is an input? elements that enter a system to be processed 3 of 10 what is an output? the ouytcome of processing within the system 4 of 10 what are stores? amopunts of energy or matter are held, and not transferred until appropriate processes are in place 5 of 10 what are transfers? movement of energy or matter through the system and enable inputs to become outputs 6 of 10 what does dynamic equilibrium mean? the balanced state of a system when opposing forces, or inputs and outputs, are equal 7 of 10 what is feedback? occurs when one element of a system changes because of an outside influence 8 of 10 what is negative feedback? is when a system acts by lessening the effect of the original change and ultimately reversing it 9 of 10 what is positive feedback? occurs within a system where a change causes a further, or snowball, effect, continuing or accelerating the original change 10 of 10
Human factors can disturb and enhance the natural processes and stories in the water and carbon cycles 0.0 / 5
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