| Type | Document |
| Description | Sarah and Philip were taking a bath with Gelli Baff, a crystalline powder which is dumped into a bathtub filled with water. The viscous hydrogel was great fun. Now they want to drain the bathtub. How can they force the viscid stuff to go down the plughole? |
| Tags | |
| Author | TEMI project group |
| Uploaded by | Nicole |
| License | Creative Commons Attribution-NonCommercial |
| Attribute to | http://teachingmysteries.eu/en/about/?t=1 |
| Language | Language independent |
| Created at | May 24, 2016 10:17 |
| Updated at | May 24, 2016 10:17 |
| Size | 897 KB |