and it requires an independent, dependent and control.
the experiment is:
what are the factors of solubility and the rates of disolvability.
i am using mints and testing them under hot water. crushed and stirred. now i need to know the variables and control ?
please help me :)
thankyou so much
P.S. im only in year nine. so can i please just have simple, paragraphed answers.What is a variable and control ?
First of all, it depends on your problem. For this, I will use: In which temperature will the mints dissolve the fastest?
Explanation of terms/variables:
Independent variable: Also called manipulated variable. It is the variable you want to test. For example: temperature of water. You want to know in which temperature can the mints dissolve the fastest: hot, warm or cold?
Controlled variable: Something that is not changed throughout the experiment. In your case, it is the size of the mint, type of mint, amount of water, etc. You keep them controlled or unmanipulated so that it would not influence the results of your experiment. Remember that the problem is the rate of solubility in different temperatures. You wouldn't want to put in a smaller mint becasue it will definitely dissolve faster but not because of the temperature.
Dependent variable: It depends on the independent variable. In other words, it is the result. For example, you observed that the mint dissolved faster in hot water.
Sorry. I'm not good at explaining things. Maybe this will help:
http://www.cool-science-projects.com/ind鈥?/a>
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