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Chapter 3 Science
Lesson 4 Models as Tools in Science
Term | Definition |
---|---|
Model | any representation of an object or process |
System | is a group of parts that work together to perform a function or produce a result |
Input | the material or energy that goes into a system |
Process | what happens in a system |
Output | is the material or energy that comes out of a system |
Feedback | is output that changes the system in some way |