The cold war is the political and military tension between democracy and communism. This happened between the United States and the soviet Union. its called the cold war because no weapons were fired.
Ice, water, and water vapor are made of exactly the same type of moleculeâa molecule of two hydrogen atoms and one oxygenatom. What, then, makes them different?Ice, water, and water vapor are different states of water.are the different forms in which matter can exist. The threefamiliar states are solid, liquid, and gas.When a substance changesfrom one state to another, the molecules in the substance do notchange.ce, water, and water vapor are made of exactly the same type of moleculeâa molecule of two hydrogen atoms and one oxygenatom. What, then, makes them different?Ice, water, and water vapor are different states of water.are the different forms in which matter can exist. The threefamiliar states are solid, liquid, and gas.
Substances on Earth can exist in one of four phases, but mostly, they exist in one of three: solid, liquid or gas. Learn the six changes of phase: freezing, melting, condensation, vaporization, sublimation and deposition.