Science Day / Salt Crystal Pipe Cleaners
Salt Crystal Pipe Cleaners
Older children make pipe cleaner shapes and hang them in a strong salt solution to grow crystals overnight.
How to run it
- Bend pipe cleaners into shapes and tie each to a pencil with string.
- An educator dissolves salt or Epsom salt in hot water until no more dissolves.
- Pour the cooled warm solution into jars and hang shapes inside without touching the sides.
- Leave overnight and check the crystals the next day.
You will need
- pipe cleaners
- string
- pencils
- table salt or Epsom salt
- warm water
- clear jars
Make it easier or harderYounger children help and watch, while older children compare salt types and crystal growth.
SafetyBorax is not used; educators handle hot water and children wash hands after.
My Time Our Place · Outcome 4Children observe change over time and practise scientific recording.
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