WhyWhy
Why
 

Essential Question
What is meant by a systems approach to Earth science?
 
 
 
 
 

Why
 
 
 
 
 
 

Why
Why
 

Why
Why

System or part of a system?











Why
Why
Why
 
 








Definition
System


 
 
 
 
 

Why
Why
Why
 
 
















Key Ideas about systems


 

Why
Why
Why
Why
Why
Why
 
 




Questions about systems






Name of  the System ______________________
 

1.  When this system is working, what does it do?

2.  For this system to work, must it receive any input?

3.  What, if any, output does this system produce?

4.  Identify at least four parts of this system.  Describe what each part does, and tell how each part contributes to the system as a whole

5.  Can any one part of this system do what the whole system does?  Explain.

6.  Identify any two parts of this system that must interact if the system is to work.  Describe how these parts interact..

7.  What is the boundary of this system?  Where does it begin and end?

8.  Are there any subsystems within the whole system?  If so, describe one subsystem.

9.  Describe how this system would change if one of the parts wears out.

10.  Does this object fit our working definition of a system?
 
 
 
 

Why
Why
Why
Why
 
 


Group Discussion Assignment



 
 
 

Increase your understanding of the question:    What is a System? 

 
 
 
 
 
 

Why
Why
Why
Why
Why

Graphically representing systems

Symbols used to represent the components of a  Box Model
 
 

A box is used to symbolize a source of matter or energy or a sink into which matter or energy flows.
WhyWhy
Why
Why
Why
Why



 

An arrow is used to symbolize the connection and direction between a source and a sink.
Why
Why
Why
Why
Why
A circle symbolized a condition or factor that will affect the system.

 
 
 

Why
Why
Why
 
 






Example of a Box Model:  Soil being warmed by the Sun
 


 

Why
Why
 


Why
Why
 
 
 
 
 


 
 
 
 

Why
Why
Why
 
 

Group Discussion Assignment



 
 

Create a Box Model of the Global Water Cycle