Hot and Cold

A few cool things to kick off the science 7 heat and temperature unit.

I did this flame demo but lost the video.  I demonstrates how ethanol burns at a lower temperature than water and so ... http://www.youtube.com/watch?v=xY24F2lBbiE 

Ice melts faster in salt!

Put one hand in hot water and the other in cold.  Then both in room temp water and  ...