id	author	title	date	pages	extension	mime	words	sentences	flesch	summary	cache	txt
40652	Brewer, Ebenezer Cobham	A Guide to the Scientific Knowledge of Things Familiar			.txt	text/plain	77901	8861	90	Q. _Why will COLD WATER, mixed with SULPHURIC ACID, produce heat?_ oxygen of the air, _produces carbonic acid gas_, which soon envelops A. Water (like air) _expands by heat_. Q. _Does heat expand every thing ELSE BESIDES air and water?_ A. As the air contains _less oxygen_ in wet weather, the _heat of fire A. The air contains heat, and changes the _surface of the water into Q. _Why is WATER a BETTER CONDUCTOR of heat than AIR?_ A. Air is heated _by the reflection of the earth_, and not by the rays the sun _radiates_ heat towards the earth, because the _air comes A. Because bright metal _will not absorb heat_ from the hot air, like an A. No; _air is a very bad conductor_, and is heated (like water) _by A. On a fine day, the sun _heats the surface of the earth_, and the air	./cache/40652.txt	./txt/40652.txt