SI Unifying Framework Flashcards
Positive feedback
A type of input into a system in which the result causes the system to continue on the path in which it was headed before the input
The metric system
A standard system of measurement based on powers of 10
Function
The job or purpose of an object or part of a system
Evolution
The gradual change in populations overtime
Output
A result of input into a
Equilibrium of a system
Hey system in balance; no forces acting on objects within the system
Form
The shape of an object or part of a system
Mathematical models
Models that use mathematical formulas, variables, and language to refer to relationships and processes in a system
Conceptual model’s
A representation of a system using diagrams or drawings to explain complex or abstract systems or processes
Natural phenomena
Natural Vance produced by natural forces which cars noticeable changes to the earth surface
System
The set of objects under study. Everything else is the environment
Physical models
A smaller or larger replica of an object done to scale
Models
Physical, mathematical, or visual representations of scientific phenomena
Evidence
Data gathered in the course of scientific investigation, including measurements taken in observations made using the five senses
Negative feedback
A type of input into a system in which the result causes the system to return closer to previous conditions
