Repeat measurements 3 times. If leaks oocur, use duct tape to cover the holes. Graph the average flow results on Table 2 in the journal. Each team shares results with class. If time permits, graph each team's average results on overhead.
Students enter conclusions in journal.
Students repeat the experiment with water filled to the same level in each bottle and with the bottom hole at the same height. Students record their results and conclusions. Discuss the outcome with the class. Challenge them to see who can lift the most weight.