A key is placed in a hot oven and warmed to 100C. As a result
a. the hole in the key becomes smaller
b. the key is bent into an arc
c. the key becomes longer
d. all of the above
Question 2
A bimetallic strip is formed from two materials that have different
a. coefficients of linear expansion
b. heat capacities
c. calories
d. phase transitions
e. relative humidities