A sanitation worker was hospitalized after someone on their trash pickup route threw out a container of muriatic acid with the household garbage, Texas firefighters say. Firefighters with The ...

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 ...

Substances can exist in three states of matter - solid, liquid and gas. All substances are made from particles, and the forces between the particles are different in solids, liquids and gases.

Observation of a glass of water reveals that the water exists in two distinct phases: liquid and gas. Even at room temperature, water molecules are constantly evaporating from the surface of the ...

They move freely over each other, a bit like marbles in a bucket.This is why liquids can be poured. In a gas, like helium, particles are widely spaced apart and move quickly and random directions.