C3L4 Flashcards
A representation of a complex object or process used to help people understand a concept that cannot be observed directly.
model
A group of related parts that work together to perform a function or produce a request
system
Material, energy or information that goes INTO a system
input
A sequence of actions in a system
process
Material, energy result a product that comes OUT of a system
output
Output that changes a system or allows a system to adjust itself. There is not always this
feedback
Why do scientists use models?
Scientists use models to understand things they cannot observe directly.
How are models of systems used?
Scientists use models to understand how systems work. They also use models to predict changes in a system as a result of feedback or input changes.
