Heated Hole
A hole is cut in a sheet of room-temperature metal. The sheet is then heated up to a much higher temperature (without melting). What happens to the size of the hole?
A hole is cut in a sheet of room-temperature metal. The sheet is then heated up to a much higher temperature (without melting). What happens to the size of the hole?
A) bigger
A) bigger
B) same size
B) same size
C) smaller
C) smaller
D) depends
D) depends