Chapter 2 section 4 7th grade science

Front

A representation of a complex object or process, used to help people understand a concept that they cannot observe directly.

Back

Model

Front

A group of related parts that work together to perform a function or produce a result.

Back

System

Front

Material, energy, or information that goes into a system.

Back

Input

Front

A sequence of actions in a system.

Back

Process

Front

Material, energy, results, or product that comes out of a system.

Back

Output

Front

Output that changes a system or allows the system to adjust itself.

Back

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