1.2 Systems And Models Flashcards
1
Q
What is a system?
A
A set of independent parts that work together and form a functional whole
2
Q
What are stocks and flows?
A
Stocks: quantifiable elements that can be linked together
Flows: inputs & outputs, changes in forms in stocks, e.g. growth, decomposition
3
Q
Define emergent properties of a system
A
Refers to the interactions between stocks creating something they couldn’t create independently
4
Q
3 types of systems
A
Open - energy and matter
Closed - energy not matter
Isolated - not energy not matter
5
Q
Examples of large systems
A
Biomes, the earth
6
Q
Examples of small systems
A
Cells, oceans, phones
7
Q
Examples of each of 3 types of systems
A
Open: jungles, human bodies, forests
Closed: earth
Isolated: universe
