Which of the following expanded the least at 80*C
Aluminum
Copper
Nickel
Brass
About how many millimeters did the brass wire stretch at 60*C
1.0 mm
1.3 mm
0.9 mm
1.1 mm
What was the largest amount of expansion measured on a wire in figure 1?
3.0 mm
2.2 mm
1.9 mm
2.7 mm