The water molecules that evaporate become a gas called water vapor ... to help explain why ice takes up more room than liquid water. Show the animation Liquid Water to Solid Ice. Explain that in ...

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 ...

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 ...

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 ...