[Script Info] Title: [Events] Format: Layer, Start, End, Style, Name, MarginL, MarginR, MarginV, Effect, Text Dialogue: 0,0:00:00.79,0:00:02.19,Default,,0000,0000,0000,,Hello everyone! Dialogue: 0,0:00:02.19,0:00:03.46,Default,,0000,0000,0000,,I am Yuhish Maharjan Dialogue: 0,0:00:03.46,0:00:04.79,Default,,0000,0000,0000,,I am 14 years old Dialogue: 0,0:00:04.79,0:00:05.99,Default,,0000,0000,0000,,I am from Nepal Dialogue: 0,0:00:05.99,0:00:07.87,Default,,0000,0000,0000,,I live in Lalitpur, Nepal Dialogue: 0,0:00:07.87,0:00:09.32,Default,,0000,0000,0000,,I am in grade 9 Dialogue: 0,0:00:09.32,0:00:13.02,Default,,0000,0000,0000,,My school's name is West Wing secondary school Dialogue: 0,0:00:13.26,0:00:15.50,Default,,0000,0000,0000,,Today I am here to show you the experiment Dialogue: 0,0:00:15.50,0:00:18.48,Default,,0000,0000,0000,,named underwater candle experiment Dialogue: 0,0:00:18.48,0:00:21.87,Default,,0000,0000,0000,,In this experiment we can know how the Dialogue: 0,0:00:21.87,0:00:24.38,Default,,0000,0000,0000,,candle burns inside the water and we can Dialogue: 0,0:00:24.38,0:00:26.57,Default,,0000,0000,0000,,see the wick of the burning candle Dialogue: 0,0:00:28.10,0:00:29.04,Default,,0000,0000,0000,,Hello everyone! Dialogue: 0,0:00:29.04,0:00:31.04,Default,,0000,0000,0000,,Materials required for the experiment are Dialogue: 0,0:00:31.04,0:00:32.32,Default,,0000,0000,0000,,Lighter Dialogue: 0,0:00:33.52,0:00:35.82,Default,,0000,0000,0000,,Candle Dialogue: 0,0:00:36.66,0:00:41.43,Default,,0000,0000,0000,,Measuring tape Dialogue: 0,0:00:41.82,0:00:44.02,Default,,0000,0000,0000,,A glass of water Dialogue: 0,0:00:46.76,0:00:49.18,Default,,0000,0000,0000,,Small pin Dialogue: 0,0:00:50.99,0:00:52.89,Default,,0000,0000,0000,,Transparent bowl Dialogue: 0,0:00:58.59,0:01:01.54,Default,,0000,0000,0000,,First, stick the candle into the bowl Dialogue: 0,0:01:01.72,0:01:03.65,Default,,0000,0000,0000,,Do this by lighting the candle and Dialogue: 0,0:01:03.86,0:01:06.41,Default,,0000,0000,0000,,allowing the candle to drip into the bowl Dialogue: 0,0:01:06.59,0:01:09.69,Default,,0000,0000,0000,,Make sure that enough wax drip into the bowl Dialogue: 0,0:01:09.89,0:01:11.35,Default,,0000,0000,0000,,to make the candle stick Dialogue: 0,0:01:15.04,0:01:16.70,Default,,0000,0000,0000,,Once there is enough melted Dialogue: 0,0:01:16.84,0:01:18.35,Default,,0000,0000,0000,,candle wax in the bowl Dialogue: 0,0:01:18.46,0:01:20.38,Default,,0000,0000,0000,,stick the candle into it Dialogue: 0,0:01:23.08,0:01:25.78,Default,,0000,0000,0000,,Wait to dry for about five minutes Dialogue: 0,0:01:28.16,0:01:29.86,Default,,0000,0000,0000,,Next, pour water into the bowl Dialogue: 0,0:01:30.06,0:01:32.08,Default,,0000,0000,0000,,until just the top of the candle Dialogue: 0,0:01:32.33,0:01:34.23,Default,,0000,0000,0000,,You don't want the candle to be Dialogue: 0,0:01:34.38,0:01:36.56,Default,,0000,0000,0000,,fully submerged in the water at this point Dialogue: 0,0:01:45.41,0:01:47.84,Default,,0000,0000,0000,,After that, light the candle Dialogue: 0,0:01:48.14,0:01:50.56,Default,,0000,0000,0000,,My lighter is not working so I will be Dialogue: 0,0:01:50.70,0:01:52.70,Default,,0000,0000,0000,,using another candle to light this candle Dialogue: 0,0:02:01.39,0:02:04.29,Default,,0000,0000,0000,,Now, slowly watch as the candle burns Dialogue: 0,0:02:04.83,0:02:06.73,Default,,0000,0000,0000,,It will continue to burn even when the Dialogue: 0,0:02:06.91,0:02:09.20,Default,,0000,0000,0000,,wick is below water level Dialogue: 0,0:02:17.23,0:02:19.28,Default,,0000,0000,0000,,Sometimes, the candle dims and goes out Dialogue: 0,0:02:19.28,0:02:21.24,Default,,0000,0000,0000,,just before the candle dies Dialogue: 0,0:02:21.24,0:02:23.71,Default,,0000,0000,0000,,the water level rises almost Dialogue: 0,0:02:23.71,0:02:26.14,Default,,0000,0000,0000,,one 10th of the pitcher Dialogue: 0,0:02:26.14,0:02:28.28,Default,,0000,0000,0000,,No air bubbles have I seen Dialogue: 0,0:02:28.28,0:02:30.21,Default,,0000,0000,0000,,The water level stays up for Dialogue: 0,0:02:30.21,0:02:31.76,Default,,0000,0000,0000,,many few minutes more Dialogue: 0,0:02:32.01,0:02:33.76,Default,,0000,0000,0000,,We measure how far the candle Dialogue: 0,0:02:33.76,0:02:35.06,Default,,0000,0000,0000,,has burned down beneath Dialogue: 0,0:02:35.06,0:02:36.28,Default,,0000,0000,0000,,the surface of the water Dialogue: 0,0:02:36.28,0:02:38.61,Default,,0000,0000,0000,,Mine went down about 1,5 centimeters Dialogue: 0,0:02:38.82,0:02:40.59,Default,,0000,0000,0000,,That's all, this was my experiment Dialogue: 0,0:02:43.83,0:02:45.94,Default,,0000,0000,0000,,The conclusion of this experiment Dialogue: 0,0:02:45.94,0:02:47.06,Default,,0000,0000,0000,,goes like this Dialogue: 0,0:02:47.07,0:02:49.62,Default,,0000,0000,0000,,We can see that as the candle burns Dialogue: 0,0:02:49.82,0:02:51.79,Default,,0000,0000,0000,,A part of the wax surrounding the wick Dialogue: 0,0:02:51.79,0:02:52.77,Default,,0000,0000,0000,,does not melt Dialogue: 0,0:02:52.77,0:02:55.42,Default,,0000,0000,0000,,leaving a well of protection around the wick Dialogue: 0,0:02:55.82,0:02:58.44,Default,,0000,0000,0000,,This allows the candle to continue burning Dialogue: 0,0:02:58.44,0:03:00.09,Default,,0000,0000,0000,,even though the flame is already Dialogue: 0,0:03:00.09,0:03:01.67,Default,,0000,0000,0000,,lower than the water Dialogue: 0,0:03:01.94,0:03:04.11,Default,,0000,0000,0000,,Basically, the cool water surrounding Dialogue: 0,0:03:04.11,0:03:06.05,Default,,0000,0000,0000,,the candle is absorbing the heat Dialogue: 0,0:03:06.05,0:03:07.02,Default,,0000,0000,0000,,from the flame Dialogue: 0,0:03:07.02,0:03:09.27,Default,,0000,0000,0000,,This allows the wax to stay solid Dialogue: 0,0:03:09.27,0:03:10.84,Default,,0000,0000,0000,,instead of melting and dripping Dialogue: 0,0:03:10.84,0:03:13.02,Default,,0000,0000,0000,,on its sides like it normally does Dialogue: 0,0:03:13.02,0:03:14.56,Default,,0000,0000,0000,,and that is how the candle can Dialogue: 0,0:03:14.56,0:03:15.59,Default,,0000,0000,0000,,keep burning Dialogue: 0,0:03:15.59,0:03:17.34,Default,,0000,0000,0000,,That is all for my experiment! Dialogue: 0,0:03:17.34,0:03:18.28,Default,,0000,0000,0000,,Thank you!