Main content

What happens when you heat a bimetallic strip?
Stella demonstrates the different conductive properties of two types of metals. When she heats a bimetallic strip made from brass and iron, each metal expands at a different rate and the strip bends.
Duration:
This clip is from
More clips from Energy across the Curriculum
-
'The Energy Detective' - energy conservation
Duration: 03:20
-
Metal and polystyrene cups containing hot water
Duration: 00:16
-
Energy values of food
Duration: 03:15
-
The relationship between heat, volume and temperature
Duration: 01:30
More clips from Science in Action
-
Neutralising acids and alkalis—Materials and Their Properties
Duration: 00:32
-
Why do you feel lighter in water?—Physical Processes
Duration: 00:46
-
Resistance of different materials—Physical Processes
Duration: 01:11