Student teams design, build, and test model cars powered only by gravity. The trick here is how we manage the activity to sustain interest, energy, and learning. They connect to science standards including motion, energy, energy transfer, forces, measurement and data analysis. And, they have a great time.
 
List of Supplies Needed:
Dowels
Plastic Wheels
Straws
Cardboard
Scissors 
Masking Tapes