- Making a potato canon is fairly simple. It is a lot of fun to play with. The neighbors get really mad when you use it in the neighborhood (especially if they are Vietnam Vets and one of the projectiles--a plastic grocery bag--ends up in their swimming pool. Oops).
- Tulips die very quickly when placed in vinegar.
- Crickets are not repelled by ultra-sonic bug repellers. If anything it makes them more active.
We were also reminded that no matter how far in advance we plan a science project we still end up staying up way too late the night before it's due,