Math (3rd-5th): Chart how many of each color M&M is in the bag. What is the most frequent color? Which color is in the least? Take an average. What percentage of the bag has red M&Ms.
Math (Pre-K - 2nd): Counting up to 10 or 50. Group M&Ms into groups of five or ten. How many groups of five are in a bag. Pick 10 M&Ms. Chart how many of each color M&M is in the group.
Science (3rd-5th): With adult supervision and approval - Do Some Colors of M&Ms Melt Faster than Others?
Science (Pre-K - 1st): M&M Survival - Background | Materials | Procedure
Science (all grade levels): Floating M&Ms Science Experiment
Enjoy your STEM activity and snack!