Coasts Lesson 1 Flashcards
1
Q
What is a system
A
Stores and processes linking together to form a working unit.
2
Q
What are the different parts of a system?
A
Inputs, outputs, stores, flows
3
Q
Drainage basin can be viewed as a system - what kind?
A
Drainage basin is an open system. There are inputs and outputs of energy and materials.
4
Q
Isolated systems
A
Have no inputs or outputs of materials or energy. Only one example, the universe.
5
Q
Closed systems
A
Have inputs and outputs of energy, but not materials. The hydrological cycle (planetary water cycle) is one example.
6
Q
Open systems
A
Have inputs and outputs of energy and materials. The drainage basin is an example.
7
Q
Negative feedback mechanisms
A
Wipes out change
8
Q
Positive feedback
A
Adds to change
