Here is a really fun qualitative lab where students use diffusion of food coloring in water at difference temperatures to collect evidence for kinetic theory. This is a student handout designed to be used in the creation of a lab report. Below are the materials required for each group to perform this experiment.
(2) 250-mL beakers
400 mL of deionized water
blue or red food coloring
temperature probe or thermometer
clock or stopwatch
More detailed product description coming soon!