Press “start” on your stopwatch and watch as your ice samples start to melt. Additional Note: This experiment will take roughly 4 hours to complete; this calculation takes into consideration both setup time and the time needed to collect and analyze data. When the salty ice cube was placed in the sun, the lower freezing point combined with continuous heat from the sun made the ice melt much faster. 2 ice cubes that are about the same size; regular table salt; Watch Corban demonstrate the Disappearing Ice/Ice Cube Melting Experiment. Place the cups in a freezer for 2 hours. Repeat this experiment by trying techniques like melting the ice cubes in hot water. In a solution, there is a solute (salt in this case) that gets dissolved in a solvent (water in this case). Science Center: Home Experiments For Kids, Community Solar Breaks Ground In Illinois, Solar Powered Toy Car Experiment for Students. You can use materials you have in your home. Which ice cube shape do you think will melt the quickest? This will help you observe more directly how the sun affects different bodies of water on our planet, depending on the type and amount of dissolved solutes they contain. Please note: Use the Contact Us link at the bottom of our website for account-specific questions or issues. The video comes from my son’s YouTube channel called Corban’s Fun Learning Adventures. If you decide to create an account with us in the future, you will need to enable cookies before doing so. You may want to make extras so you can try different hypothesis. Which ice cube sample melted the fastest? Bookmark this to easily find it later. On a hot summer day, have you ever noticed that the ice cubes in a glass of water or lemonade melt into a liquid extra fast? You may stop the stopwatch after the last ice cube melts. Think about what you know about surface area. Place the ice trays in the freezer and allow water to freeze for several hours or overnight. Based on the concept of water's "freezing point," this activity entails the lowering of water's freezing point to chill ice cream! About 80% of this ice melts and mixes with the ocean seawater each summer. Schedule a time to talk to a solar consultant now! Please call 1.855.520.0969 or email communitysolarsales@clearwayenergy.com. What do you think will happen if you create an ice cube that is flat and wide? When rainwater comes into contact with soil and rock material, some of that material dissolves in the water. A crescent-shaped cube will melt the slowest. In this science activity, you’ll investigate how several soluble substances (salt, sugar, and flour) affect water’s freezing point. My son, Corban, loves to do science experiments. Pure distilled water has a melting/freezing point of 0°C (32°F). Discover how and which salt melts ice the quickest. The ocean begins to freeze when it reaches a temperature of -1.9°C. At this temperature, water molecules in an ice cube will melt and then freeze again at a constant rate, which keeps the ice cube in a stable solid state. Keep the experiences coming. so great to do these thought provoking activities with our kids! Did the flour cause the ice to melt faster? They should be in a place where you can observe them easily. I did not want to purchase these things separately so I got the Educational Insights Geo Safari Rockin’ Reactions Chemistry Set. (use Google to help find the answer if you need to). Perhaps you’ve noticed that the ice cubes in drinks melt faster if they are one shape rather than the other. Sugar is also soluble in water, and also lowered the freezing/melting point of the water, but sugar does not make ice melt as fast as salt does. Experiment Overview: Ice forms when water freezes. As your child fine tunes their understanding of coordinate planes, they will also be helping Roly find his way to the ice cream! Then send your curated collection to your children, or put together your own custom lesson plan. The surface area of an ice cube takes on heat from the room, assuming the room is above freezing, and causes the ice to melt. Do you think there will be a big difference between the ice block that melts the fastest and the ice block that melts the slowest? Write down the time it takes each ice cube to melt completely. Remove the ice from the freezer and place one of each shape of ice cube into a plastic cup. This means that heat will be absorbed over a larger area and thus the ice cube will melt faster.