This lesson will explore the phenomenon of ice climbing in the Great Lakes. Students will explore the phase changes associated with water going between the liquid and solid state in order to learn about the formation of ice that is climbable, the melt patterns of ice, and how salinity affects ice melting. – Know about the winter sport of ice climbing – Understand the how various factors, such as salinity, affect the rate of melting ice – Be able to visualize the melting patterns of ice