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Title: Identifying Variables and Designing Investigations Notes
Description: I took these notes during my sophomore year of Pre-AP Chemistry. Only one page. My notes are short and straight to the point.

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Identifying Variables and Designing Investigations  
 
3 kinds of variables:  
1 Independent variable­ something that is changed by the scientist  
what is tested  
what is manipulated  
2 Dependent variable­ something that might be affected by the change in the independent variable  
what is observed 
what is measured 
the data collected during the investigation  
3 Controlled variable­ a variable that is not changed  
also called constants  
allow for a “fair test” 
 
Students of different ages were given the same jigsaw puzzle to put together
...
 
Independent: Age 
Dependent: time 
Control: puzzle  
 


Title: Identifying Variables and Designing Investigations Notes
Description: I took these notes during my sophomore year of Pre-AP Chemistry. Only one page. My notes are short and straight to the point.