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Current Drop Tower Challenges

Information for the current challenges are provided here.

2x2 Drop Tower

2023 Drop Tower Challenge Teams of grade 8-12 students are challenged to design and build simple devices which in normal gravity will float in water, but which will submerge as far as possible because of wetting characteristics when they experience apparent weightlessness, i.e., microgravity, in NASA’s 2.2 Second Drop Tower (shown below).  An example diving test can be … Read the rest ⇢

Testing in the 2.2 Second Drop Tower
Testing in the 2.2 Second Drop Tower

2024 Drop Tower Challenge

GOVERNMENT SHUTDOWN? If a funding gap causes a partial shutdown of the federal government, the Expulsion challenge staff will not be able to respond to questions or communicate with teams during the shutdown.  Of course, teams should always carefully review the guide available as a download at the bottom of this page. Expulsion entries are … Read the rest ⇢

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