| C1-2 | Bimetal strip. |
| Purpose: | To demonstrate that different kinds of metals have different thermal expansion rates |
| Description: | A laminated bar of two metals is fastened in a wooden handle. When the system is heated, the metals expand differently and make the strip bend. |
| References: | Na-5 |
| Equipment: | Bimetal strip and heat sources such as gas,propane fuel or multi-purpose lighter. |