Spare Me Contestants roll marbles through the hole in the middle of a pool noodle to knock down five pieces of sidewalk chalk. First team to knock all pieces of chalk down, wins. 1 pool noodle per team, 5 pieces of sidewalk chalk per team, marbles
Balloon Rockets - I've done this in several science camps I've conducted. Kids have fun with it. But, when the balloon deflates it may fall off the straw because it's surface area changes - another good thing to show and explain to kids.
Kids would love to decorate their own rings and put their names on them. When their ring lands around the roll there could be a special activity or prize. Great idea - thanks for sharing it! DIY Paper Plate Ring Toss Game - great for kids!
Collaboration Activity (good for mentor time) from: In the middle: Life as a seventh grade language arts teacher. The Cup Challenge - teach students how to work in cooperative groups with this simple and fun challenge.