Pre-lab setup (4 points): 1. What is your independent variable?
2. What is your dependent variable?
3
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What should you keep constant?
4. What tools do you need to conduct your experiment?

1. Independent -  The thing that you change and measure.

2. Dependant - The change that happens due to the independant variable.

3. The control variable.

4. Things that you will need during your experiment will usually be given to you on a paper with a list of supplies you will need and sometimes a brief summary of the method.

Hope this helps :)

the dissolution of polymer can be thermodynamically described in 2 steps.