What was more surprising: how the breakdown between states with more dangerous drivers and safer drivers fell almost completely along the lines of the 2008 McCain-Obama election, with the Republicans again coming up on the short end.
The hottest flame color is white, with the absolute temperature dependent on the fuel/mixture burned. Flame color depends on several factors, the most important typically being blackbody radiation and spectral band emission, with both spectral line emission and spectral line absorption playing smaller roles.
Illustrate how to read a meniscus. Bring to eye level, look at the point in water where it dips in the cylinder. A wood fire in a fireplace typically has a yellow flame whereas a gas fire is typically blue. Explain why the appearance of the wood flame is yellow where as the gas flame most often appears blue. A wood fire has a yellow flame because there is an insufficient amount of oxygen being supplied (making it a luminous flame) A stove supplies the flame with enough oxygen for it to burn with a nonluminous, blue flame (which is hotter than the fire place flame)