When acetaldehyde phenylhydrazone melts, it becomes one of two liquids, based on whether the compound has been exposed to a base or an acid. The former appears at the higher melting point ...

"On short timescales, glass behaves much like a solid. But the liquidlike structure of glass means that over a long enough ...

After melting, the water molecules are closer together than they were as ice. As a liquid, the molecules are more randomly arranged and the molecules are able to slide past each other. As energy is ...

Cool that liquid down even more, and it will freeze to make a solid. Liquids can freeze and melt, or evaporate and condense over and over again, without making any new compounds or changing their ...

An curved arrow pointing right. Gallium, a lesser common element, has some neat tricks up its quickly melting sleeve. It melts in your hand, can be used to make a gag spoon, and can turn a typical ...

The Phenomenon of Melting Glaciers Melting glaciers are more than just a picturesque transformation of ice into water; they ...

Today, the melting pot metaphor is often taken to refer ... A crucible is used in metallurgy to reduce ores and metals to their liquid form so they can be purified, mixed, and poured in castings.

If ice is warmed enough, it can change to liquid water. Heating a substance makes the molecules move faster. Cooling a substance makes the molecules move slower. Students see a video of water freezing ...