Use cardboard, craft sticks, and hot glue to create an epic marble run! The marbles land in paper cups at the bottom of the track. This is a fantastic engineering challenge for kids. How should we position the sticks? Which path will the marbles take? How
Once again, the water cycle is introduced, however this time it is a little different. Instead of just telling the students what the water cycle is, this project allows students to assemble a model of what it should look like.