- Physical Sciences
the sphere or region of the Earth that consists of water, which is found as liquid water (surface and underground), ice (polar ice, icebergs and ice in frozen soil layers called permafrost), and water vapour in the atmosphere.
a law defining the relationship between pressure, volume, temperature and moles of a gas....
a neutral particle in the nucleus with almost the same mass as the proton.
the use of an electric current to cause chemical change in a liquid.