Make some beautiful paper snowflakes using the instructions on the websites listed below. Plain white copier paper works great; you just nee...

If you look closely at a natural snowflake, you'll see that it is based on a six-sided hexagon, but has a very complicated, delicate sha...

Graupel and virga, too! During the winter, lots of different kinds of frozen precipitation can fall down from the clouds. They aren't th...

Have you ever seen this sign on a road? Ever wondered why the bridge ices up first? There are actually two reasons. The first reason is t...

So why does salt cause ice to melt? And is there a limit on how cold it can be for this to work? Salt melts ice because it dissolves in the ...

Ice is great if you want to cool a drink, or as a surface to skate on, but it can be really dangerous when it covers streets, sidewalks, and...

In the last experiment, the volume of the water increased as it turned to ice, and the volume of the oil decreased, or stayed the same, as i...

Water is an unusual molecule, for reasons we'll talk about soon. One of its weird properties is that it expands (grows) when it freezes...

What has the weather been like this winter where you live? Many parts of North America have had a LOT of snow, but others, like New Jersey ...

Have you ever heard the expression "burning the candle at both ends"? It means that someone is working very hard, usually without...