Students explore the attractions and motion of atoms and molecules as they experiment with and observe the heating and cooling of a solid, liquid, and gas.

Atoms and molecules make up all of the different substances, including solids, liquids, and gases that are all around us. Models can be used to represent atoms and these models can be rearranged to ...

Solids, liquids and gas animations are available in this downloadable resource, 'Particles in motion: Change of State - solid, liquid and gas', provided by the National STEM Centre and developed by ...

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 ...