Describe the arrangement and movement of the particles in a solid, liquid and gas. In a solid ... a way of explaining something complicated. A model may be an equation, a diagram or an analogy ...

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 ...

After viewing a model of salt, students help develop models for the processes of salt dissolving, water evaporating to form a gas, and salt re-forming as a crystal. The focus is that matter, whether ...

In a gas, the particles aren’t touching ... changing from a solid to a liquid, for example. This basic model is, however, just that: there are many, many more states of matter out there that ...

It is one of the only substances that can exist in nature as a solid, liquid and gas at the same time under ... can measure experimentally. "Our water model is so realistic you can almost drink ...

There was a problem though; solid rocket motors are far too common to be interesting, and even hybrid rocket engines are becoming passé. We’ve never seen a liquid-fuel rocket build before ...

This can be done either by increasing the pressure of the gas or by converting it into a liquid ... know in what areas the model excels and have a solid understanding of where additional ...

You probably learned in school that there are three states of matter: solid, liquid and gas. Think ice cube, a puddle of water and steam. Maybe you also learned about a fourth state, known as plasma.