Indentifying variables in science project

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charold
Posts: 1
Joined: Mon Jan 18, 2010 11:28 am
Occupation: Student
Project Question: Help indentifying variables. Testing which brand of soap lasts longer. What are dependent, independent, and controlled variables.
Project Due Date: 1/19/10
Project Status: I am conducting my experiment

Indentifying variables in science project

Post by charold »

I am testing to see which brand of soap lasts longer. I am using 5 different brands of soap cut the exact size and placing in bowls of water the same temperature. I need help identifying the independent, dependent, and controlled variables. Thanks.
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deleted-71417
Former Expert
Posts: 932
Joined: Wed Oct 03, 2007 12:24 am

Re: Indentifying variables in science project

Post by deleted-71417 »

Hi,

The Science Buddies Project Guide has a good discussion on variables. Here is a link:

https://www.sciencebuddies.org/science- ... bles.shtml

In your case the independent variable might be the type of soap. The dependent variable might be the length of time it lasts. The controlled variable might be water temperature.

I hope this helps.

Best regards,

Barrett L. Tomlinson
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