This Criterion B and C lab investigation uses gummy bears to explore the concept of the concentration gradient. The B rubric assesses only two of the three objectives since students are given an experimental procedure to follow. The C rubric hits all 5 objectives. This folder resource contains:1) A student sheet for recording the experimental set up.2) A criterion B rubric3) A student sheet for recording results4) A criterion C rubric5.) A google slideshow that can be used to drive instruction