Pour warm water into a bucket. Add rock salt crystals to it. (A good ratio is 1 gallon water to 1 cup rock salt, but this is ...

Add one ice cube to each container. Time how long it takes for the ice cube to completely melt. Measure and record the temperature of the water in each container once the ice has completely melted.

Simulating cold glacier melting into warmer freshwater Pour cold water into an insulated container. (Use the coldest water you can get from the tap or melt ice). Drop several drops of blue food ...