Chapter 2.4

A model is

• a picture of the data

• any representation of an object or process

• an action or series of actions that happen in a process

• A point that outside of the trend on a graph

Scientist use models to test their ideas about things they CAN observe directly

• True

• False

A group of parts that work together to carry out a function

• process

• meniscus

• system

• data

(Select all that apply) All system have at least one...

• input

• process

• output

• model

a material or the energy that goes into the system

• input

• output

• range

• system

n action or series of actions that happen within the system

• input

• process

• output

• range

The material or energy that comes out of a system

• output

• input

• system

• process

Output that changes a system in some way

• process

• model

• food web

• feedback

Scientists build ____ to represent a process; testing whether the input and output match the input and output from the natural world

• tests

• scientists

• models

• scales