The NWS extreme cold warning for Duluth said: "The dangerously cold wind chills as low as 40 below zero could cause frostbite ...

A demonstration of how to measure the air temperature using a thermometer ... Using online weather forecasts, students could record temperatures daily and then create a graph to compare results.

A demonstration of how to measure the air temperature using a thermometer ... Using online weather forecasts, students could record temperatures daily and then create a graph to compare results.

The third president knew that the whims of nature shaped Americans’ daily lives as farmers and enslavers Sara Georgini ...

Another advantage of alcohol is that the freezing temperature of mercury is around -38F, so a mercury thermometer is not ...

Another advantage of alcohol is that the freezing temperature of mercury is around -38F, so a mercury thermometer is not useful in extremely cold weather. Mercury can have usefulness over alcohol ...

Our focus stays on the thermometer as cold air sticks around ... In terms of active weather, we really don’t have much in the way of organized weather to talk about. Outside of some scattered ...