Name:
Class Period:
1/8/2020 Potato-Iodine Lab
This experiment tests the impact surface area has on diffusion. Specifically, it considers the
impact of the volume ratio between the different-sized potato cubes and the iodine solution.
1. What do you think the independent variable (altered) is for this experiment?
a. Answer:
2. What do you think the dependent variable (tested) is for this experiment?
a. Answer:
3. What do you think the controlled variables (constant) are for this experiment?
a. Answer:
4. Form a hypothesis about how the iodine impacts the different-sized potatoes.
What do you think will happen? What do you think the different-sized potatoes
will look like?
a. Answer: