[Script Info]
Title: 
[Events]
Format: Layer, Start, End, Style, Name, MarginL, MarginR, MarginV, Effect, Text
Dialogue: 0,0:00:03.00,0:00:05.87,Default,,0000,0000,0000,,We Humans have known for thousands of years, just looking at our environment around us that
Dialogue: 0,0:00:07.21,0:00:10.33,Default,,0000,0000,0000,,there are different substances, and these different substances tend to have different properties, and
Dialogue: 0,0:00:11.95,0:00:14.74,Default,,0000,0000,0000,,not only do they have different properties; one might reflect light in a certain way, or not reflect light
Dialogue: 0,0:00:17.60,0:00:20.46,Default,,0000,0000,0000,,or be a certain colour, or at certain temperature be liquid, or gas, or be a solid,
Dialogue: 0,0:00:22.11,0:00:24.87,Default,,0000,0000,0000,,but we also start to observe how they react with each other in certain circumstances.
Dialogue: 0,0:00:27.66,0:00:31.48,Default,,0000,0000,0000,,And here's pictures of some of these substances. This right here is Carbon, and this is in it's graphite form;
Dialogue: 0,0:00:31.48,0:00:36.07,Default,,0000,0000,0000,,this right here is Lead, this right here is Gold,
Dialogue: 0,0:00:38.72,0:00:41.37,Default,,0000,0000,0000,,and all of the ones that I've drawn, that I've shown pictures of here, and I got them all from this website right over there
Dialogue: 0,0:00:41.37,0:00:45.45,Default,,0000,0000,0000,,all of these are in their solid form, but we also know that
Dialogue: 0,0:00:47.40,0:00:49.34,Default,,0000,0000,0000,,it looks like there's certain types of air, you know, certain types of air particles,
Dialogue: 0,0:00:49.34,0:00:52.21,Default,,0000,0000,0000,,and depending on what type of air particles you're looking at
Dialogue: 0,0:00:55.08,0:00:57.95,Default,,0000,0000,0000,,whether it is carbon, or oxygen, or nitrogen, that seems to have different types of properties,
Dialogue: 0,0:00:57.95,0:00:59.42,Default,,0000,0000,0000,,or there are other things that can be liquid,
Dialogue: 0,0:00:59.42,0:01:02.08,Default,,0000,0000,0000,,or even if you raise the temperature high enough on these things,
Dialogue: 0,0:01:02.08,0:01:05.02,Default,,0000,0000,0000,,if you raise the temperature high enough on Gold or Lead
Dialogue: 0,0:01:05.02,0:01:06.50,Default,,0000,0000,0000,,you could get a liquid,
Dialogue: 0,0:01:06.50,0:01:09.84,Default,,0000,0000,0000,,Or if you kind of - if you burn this Carbon
Dialogue: 0,0:01:09.84,0:01:12.08,Default,,0000,0000,0000,,you can get it to a gaseous state,
Dialogue: 0,0:01:12.08,0:01:13.35,Default,,0000,0000,0000,,you can release it into the atmosphere,