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Know About Different Forms of Water

In this worksheet, students will consider the different forms of water that they have encountered and how they can be changed into each other.

'Know About  Different Forms of Water' worksheet

Key stage:  KS 2

Year:  Year 4 Science worksheets

Curriculum topic:   States of Matter

Curriculum subtopic:   Heating and Cooling

Difficulty level:  

Worksheet Overview

Did you know that your body is about 70% water?

That's about three-quarters of you!


boy pulling silly face


Of course, water is a really important substance and, as you know, you come across it every day.

Sometimes it's as the liquid you're used to, but not always.

It might be ice, snow, hail, cloud, steam and so on - they're all made of water, but it's been changed.

It's been changed according to how the temperature's changed.


Water Ice Cloud


The water might have been heating up and evaporating away to form a gas (that's water vapour).

On the other hand, the water might have been cooling down, eventually freezing to form solid ice.


We also need to consider what happens if ice is warmed up or if steam is cooled down - they're made of water!


So, in this activity, we'll be using our knowledge to help us to decide what has happened to the water.


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