Hands holding a marble at the top of a ruler ramp.

Momentum Bashing 1

about 40 minutes
Use inclined ruler ramps to explore how mass affects a marble’s “bashing power.”

Egg Crash! Designing a Collision Safety Device

about 50 minutes
Build a paper landing-pad for a dropped egg to explore how airbags reduce crash forces.

Griff Jones holding a ruler next to a marble ramp

Conservation: It’s the Law!

about 50 minutes
Use marbles and foam pipe insulation “track” to explore where energy “goes” during a collision.

Griff holding paper car that has been sent down a ramp.

Paper Car Crash!

about 2 weeks
As a culminating activity option, design, build, and crash an egg-carrying paper car to determine the most crashworthy design.

Project Pedestrian

about 150 minutes
As a culminating engineering activity option, design, build, and test pedestrian-safe bumpers for a toy car using wireless sensors.