| Type | Document |
| {:title=>"Leírás"} | A balance is set up with two pieces of iron wool. One piece is set alight: it appears to be getting smaller but, mysteriously, the balance tips the other way. |
| 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 |
| Létrehozva | 2016. május 24., kedd, 10:09 |
| Frissítve | 2016. május 24., kedd, 10:10 |
| Size | 900 KB |