Bimetallic strip over a flame, the strip was straight. When she placed the bimetallic strip in the flame, the strip started peat and Temperature Question & Answer
l. A teacher was using
an instrument
made of two metals called a bimetallicstrip. Before she held the
to curl. The curl formed because of different expansions of the metals.
Bimetallic
Strip
Metal. A
Metal B
Which best describes the expansion of the metals?
A. Metal A expanded more rapidly than Metal B.
B. Metal B contracted more rapidly than Metal A.
C. The average kinetic energy of Metal B increased more than Metal A.
D. The average potential energy increased more for Metal A than Metal B.