Everything that has mass is matter. In normal everyday life we come across matter in three states, solid, liquid and gas. They have a fixed shape and cannot flow The particles cannot move from ...

Students are introduced to the idea that matter is composed of atoms and molecules that are attracted to each other and in constant motion. Students explore the attractions and motion of atoms and ...

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Water is the only substance on Earth that occurs naturally as a solid, liquid, and gas. It does so because the temperature and pressure on our planet are just right to allow ice, liquid water ...

Gas and liquid samples are used to analyze specimens from process streams ... They can be used for sampling liquids from depths and are especially useful for viscous liquids or liquids with a lot of ...

As a kid, you probably learned that there are three states of matter: solid, liquid, and gas. But like most things in life, it gets a bit more complicated as you get older. For example ...