The materials list provides a list of items needed for the experiment, while the directions list provides step-by-step instructions on how to conduct the experiment.
The drawing likely includes information about the arrangement of the cups, tray, and the addition of food coloring, which is not explicitly mentioned in the experiment's written instructions.
A form of writing similar to this experiment is a procedural or instructional text. This type of writing provides a sequence of steps to follow to achieve a specific outcome, just like the experiment's directions do.