6-12 and Informal
In this challenge, students follow the engineering design process to do the following:
1. Modify a cup to carry a marble down a zip line.
2. Attach a string to tip the cup.
3. Test their cup by sliding it down the zip line, releasing the marble, and trying to hit a target on the floor.
4. Use test results to improve their system.
[1MB PDF file]
This activity is part of the On the Moon Educator Guide