Procedure

Once I had gotten all of the materials i needed to conduct the experiment, I set one of the watermelons vertically on the table in the backyard, and began to cut a hole into it. The hole was pretty big, considering the fact that I was using the big water bottle, and it had to fit all the way into the watermelon. Next, I put on my face guard and my gloves. Then I took the block of ice that i had bought from a local grocery store, and smashed it into tiny pieces with a hammer. After that, I filled the liter bottle about ⅘ to the top with room-temperature water, and placed it in the watermelon, which by now I had moved to a spot in the grass, far away from the house. Next, i took the small dry ice pieces and used tongs to quickly and carefully put about 6 or 7 pebbles of the ice into the water.