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A block of melting ice simulates ice shelves and ice sheets and their differing effects on global sea level in this interactive activity adapted from Texas A&M University. In one video, observe a block of ice melt while it floats in the tank, simulating an ice shelf; the water level does not change. In a second video, see a block of ice melt as it rests on a plank of wood above the water, simulating an ice sheet; the water level rises.
This media asset was adapted from the Texas A&M University: Ocean Drilling Distance Learning Program.
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