The difference is mostly due to the fact that air is a gas and the water is a liquid, because density depends a lot on the state of matter. In a solid, the particles are tightly packed ...

Scientists from UC San Diego have uncovered a key finding to one of water's unique properties: at high pressure and low ...

Students explore the attractions and motion of atoms and molecules as they experiment with and observe the heating and cooling of a solid, liquid, and gas.

Although the three states of matter are solid, liquid, and gas, not all substances seem to fit perfectly into one of these groups. Take a look at the substance below and see if you can decide whether ...

Water can exist in two liquid states under extreme conditions, reshaping our understanding of its molecular behavior.