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7 Sci Ch 2-4 vocab
7th Grade Science Chapter 2 Lesson 1 vocabulary
Term | Definition |
---|---|
model | A representation of a complex object or process used to help people understand a concept that they cannot observe directly. |
system | A group of related parts that work together to perform a function or produce a result. |
input | Material, energy, or information that goes into a system. |
process | A sequence of actions in a system. |
output | Material, energy, result, or product that comes out of a system. |
feedback | Output that changes a system or allows the system to adjust itself. |