This animation explores water as a solid, liquid and gas. The water molecules stay the same, but they behave differently as they change from one form to another.



To use this interactive, move your mouse over any of the labelled boxes and click to obtain more information.

You are watching: Water in the form of gas is called

Ice (solid)


Ice is water in its solid form.

Ice keeps its shape, even if it’s removed from the container.

The molecules in ice are locked into place and cannot move or slide past one another, but they do vibrate a little bit.

Water (liquid)


A liquid takes on the shape of its container. Watch how water takes on a different shape in a different container.

If you pour water out of a container, it will go everywhere! Because it isn’t in a container, the water takes on the shape of the table top, making a puddle.

Water molecules are still close together, but they can move or slide past one another.

Water vapour (gas)


A gas will fill a container, but if the container is not sealed, the gas will escape.

Water vapour molecules are spread out and can quickly move past one another.


Appears in


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In this activity, students use water to explore its properties as a solid, liquid or gas. By the end of this activity, students should be able to: identify one or more characteristics of water in ...


Observing water – unit plan

Water has unusual properties that make it different to other liquids. It is the only common substance that is naturally found as a solid (ice), liquid (water) or gas (water vapour). Water has the ...

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