Use root beer floats to teach your students about states of matter. It’s a fun way to follow up a lesson on solids, liquids, and gasses, plus they can eat it afterward! If you need more activities and resources, you will find a link to a unit all about matter in this post. Add some fun to learning with your next science lesson. It’s perfect for your 2nd, 3rd, 4th, or 5th graders. {second, third, fourth, fifth grade}