P001 - Investigating indicators
![Teaching Ideas Teaching Ideas](/images/ideas.png)
This practical activity allows children to observe how everyday indicators behave using colour changes and encourages learning about solutions that have acidic, neutral or alkaline properties.
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![Natural indicators showing a range of pH values](/dbImages/Thumbnail/Indicators.jpg)
P148 - Growing crystals with table salt
![Teaching Ideas Teaching Ideas](/images/ideas.png)
An activity that supports children to learn about dissolving, evaporation and crystal growth.
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![Crystals on a lid](/dbImages/Thumbnail/P148-Growing-crystals-with-table-salt.jpg)
P146 - Making a salt solution and recovering the salt
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An activity where children investigate evaporation.
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![Tea light stand](/dbImages/Thumbnail/P146.jpg)
P014 - Separating felt pen ink colours
![Doing Things Safely Doing Things Safely](/images/safety.png)
![Teaching Ideas Teaching Ideas](/images/ideas.png)
The ink in water based felt tip pens consists of different pigments. This practical describes how to separate mixtures of liquids in order to investigate colour.
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![Separated inks on a filter paper](/dbImages/Thumbnail/Chromatography.jpg)