When water freezes to make ice it expands and takes up more space than it does as liquid water (that’s why water pipes sometimes burst during cold winters). Melting Ice & Salt Science Experiment. Salt And Ice Experiment. Next, lay a piece of string on the ice cubes and sprinkle salt over the string. As the ice melts, energy is drawn from the water, making it colder. If you place water and an ice cube in a cup so that the cup is entirely full to the brim, what happens to the level of water as the ice melts? 2. As an experiment, fill a sink with 5 or 6 inches of water and note the water level. Then build a model to compare what you predicted to what you observe. Seek an adult’s help when using hot water. Fill a 400 mL beaker 1/3 full with ice, then add 100 mL of tap water. This is an experiment you can confirm at home by watching ice cubes melt in a glass of water. A crescent-shaped cube will melt the slowest. Melting ice cube. The experiment proves that the amount of surface area makes the ice cube melt faster, but what if you tried different ways to melt the ice cubes? This is such a fun and beautiful activity! Regelation is the phenomenon of melting under pressure and refreezing when the pressure is reduced. The real trouble is landlocked ice. Fill your glass 3/4 with water. Have each student complete their own “Melting ice experiment” worksheet. Firstly, how about trying a super simple melting activity to learn about changes of state. Repeat this experiment by trying techniques like melting the ice cubes in hot water. Experiment 2 PROCEDURE Part I: Freezing 1. Wait about a minute or so and then lift the string out of the water. Give each group the “Melting ice experiment” handout and review the set up. There are endless different ways to explore ice and melting, and all make a great winter science experiment. The weight of that ice displaces the same amount of water it would displace were it to melt and intermix. Salt dissolves in the water, adding ions that increase the temperature at which the water could re-freeze. But it makes a difference whether that melting ice is on land or in the sea. Experiment 4-Heat of Fusion and Melting Ice Experiment In this lab, the heat of fusion for water will be determined by monitoring the temperature changes while a known mass of ice melts in a cup of water. The experimentally determined value for heat of fusion … Make a prediction about what each type of ice will do to the level of water in a container. Global warming - Global warming - Ice melt and sea level rise: A warming climate holds important implications for other aspects of the global environment. Context Audience This hands-on experiment is suited for many different audiences and can be used to achieve a wealth […] The pressure exerted on the ice slowly melts it locally, … Alternatively, give students various materials and challenge them to design their own experiment to test the effects of melting ice on rising sea levels. Add a few ice cubes to the glass of water. Explore how melting of ice cubes floating in water is influenced by the salinity of the water. The ice starts to melt, making liquid water. The water from the ice takes up less space than the ice itself. For this experiment, you are going to need a glass of water, ice, a string, and salt. Discover whether ice melts faster in hot or cold water with our fishing activity. The salt lowers the freezing point of water. Important oceanographic concepts like density and density driven currents are visualized and can be discussed on the basis of this experiment. 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