5 min. to explain 15 min. to build and test 1st bridge 10 min. to build and test 2nd bridge 10 min. to build and test 3rd bridge 10 min. to discuss with group
How will you use your pennies to make the bridge structure sturdy and stable? Your bridge must stand for at least 10 seconds.
Sketch your first bridge in your science journal. Was your bridge successful? Which design worked the best? Which design flopped?