Which liquid freezes the fastest tap water milk

Which liquid freezes the fastest: tap water, milk, or Coca Cola?

If I put 250 milliliters of tap water in a cup, 250 milliliters of milk in a cup, and 250 milliliters of Coca Cola in a cup and place them in a freezer, then the cup with tap water will freeze the fastest.

1. Three clear glass cups 2. One freezer 3. 750 ml of tap water 4. 750 ml of milk 5. 750 ml of Coca Cola 6. One cup beaker 7. Timer 8. Camera 9. Scotch Blue Tape and Sharpie 10. Board 11. Computer and printer

1. Gather all materials 2. Pour 250 ml of tap water in a glass cup 3. Pour 250 ml of milk in a glass cup 4. Pour 250 ml of Coca Cola in a glass cup 5. Label each glass cup (one tap water, one milk, and one Coca Cola) 6. Take pictures 7. Put all glass cups in the freezer 8. Check cups every 10 minutes for 1 hour 9. Record data 10. Repeat steps 2 -9 for two more trials

§ Independent: The independent variable in my experiment is the type of liquid. § Dependent: The dependent variable is the amount of time it takes a liquid to reach the freezing point the fastest. § Control- The control variables are the glass cups, amount of liquids, and the temperature.

Which Liquid Freezes the Fastest? 70 60 60 60 50 50 Minutes 50 40 40 40 30 30 20 10 0 Tap water Milk Coca Cola Trial 1 40 50 60 Trial 2 30 60 60 Trial 3 40 50 60

Liquid Tap Water Milk Trial 1 Trial 2 Trial 3 Average 40 minutes 30 minutes 40 minutes 36 minutes Coca Cola 60 minutes 50 minutes 60 minutes 53 minutes

After placing 250 milliliters of tap water, milk, and Coca Cola in the freezer for an hour, the results of my experiment were obvious. On the first trial, the tap water froze within 40 minutes, milk froze within 50 minutes, and Coca Cola froze within 60 minutes. On the second trial, the tap water froze within 3 o minutes, milk froze with 60 minutes, and Coca Cola within 60 minutes. On the third trial, the tap water froze within 4 o minutes, milk froze with 50 minutes, and Coca Cola within 60 minutes. The average freezing time for tap water was 36 minutes, the average freezing time for milk was 53 minutes, and the average freezing time for Coca Cola was 60 minutes. It is clear that tap water freezes the fastest compared to milk and Coca Cola.

The purpose of this experiment was to find out which liquid (tap water, milk, or Coca Cola) would freeze the fastest. My hypothesis was that tap water would freeze the fastest. My hypothesis was supported by the data because tap water froze the fastest in all the three trials. The tap water froze at an average time of 36 minutes. The milk froze at an average time of 53 minutes and Coca Cola took an average time of 60 minutes. What could have affected my results is the temperature in the freezer because the freezing point of water is 0° C or 32° F. The official freezing point of whole milk (average since it varies) is -0. 505 degrees Celsius. It takes a temperature lower than 32 degrees Fahrenheit to freeze coke because of the extra sugar and carbonation.

My experiment can be improved by testing other liquids and using different containers to hold the liquids to record more data. I can use these findings in my day to day life because whenever I want to make ice I know how much time it takes. In fact it can help people that are having a family gathering/party at home know how long to leave Coca Cola in the freezer to get cold but not freeze. This investigation led me to two questions. The first question is “Would adding sugar or salt to the water change the freezing time it takes water to freeze? ”. The second question is “ Would the results change if I use plastic cups instead of glass cups? ”

• Adebayo, Morenike, IFL Science! Website, http: //www. iflscience. com/chemistry/unfinished-20 -fun-scienceexperiments-you-can-do-home , June 3, 2015. • Zene, Glazba, MP 3 Bejo Website, http: //mp 3 bejo. net/download/mp 3/freezing-oil-and-water-scienceexperiment. aspx , June 6, 2015 • Kitch Science for Kids Website, http: //www. notimeforflashcards. com/2013/08/kitchen-science-forkids. html, August 28, 2013