Are there 7 lines on an ice rink?

There are 5 vertical lines on a rink. The center line, two blue lines marking the boundaries of center ice and defensive/offensive zones, and two goal lines that run in front of the net's mouth.

There are 5 vertical lines on a rink. The center line, two blue lines marking the boundaries of center ice and defensive/offensive zones, and two goal lines that run in front of the net's mouth.

Because its ice frozen into a pond and thus, it's called an ice rink

The blue lines mark the extent of the attacking/defending zones and determine legal movements and passing, as seen on 2-line passes and offsides calls.

A ice rink has a special floor that holds water in it like a pool. It takes about 4-5 hours to freeze the rink. In order to keep the ice rink frozen and solid, the temp. has to be 32 degrees or less....