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PIRA Code(s)
Set up time
1 minute
Physics and Science Concepts
Thermodynamics, Thermal Properties of Matter, Thermal Expansion
Use a Bunsen burner to heat a bimetal strip and it will bend
Use caution when dealing with the Bunsen burner. Bunsen burner not included.

Strips of dissimilar metals bonded together bend when heated because the two metals expand different amounts.