Science Day / Stretchy Slime Lab
Stretchy Slime Lab
Children make slime with different recipes and test which stretches the longest, measuring results like scientists.
How to run it
- Mix PVA glue with a pinch of bicarb soda and colouring.
- Add contact lens solution a little at a time and knead.
- Try a second recipe with a different amount of solution.
- Stretch each slime along a ruler and record the results.
You will need
- PVA glue
- contact lens solution
- bicarb soda
- food colouring
- bowls
- rulers
- zip-lock bags
Make it easier or harderYounger children make one batch, while older children graph results.
SafetySupervise closely, keep away from eyes, and wash hands after.
My Time Our Place · Outcome 4Children measure, compare and draw conclusions.
Fits these theme days
More like this
After School Quick STEM · Science Week · Science Day +3
Cup Tower Book Challenge
Children engineer a tower from cups and card strong enough to hold a book, testing ideas about balance, load and stable bases.
After School Quick STEM · Science Week · Science Day +2Twisted Paper Loop Magic
Children make a twisted paper loop, predict what will happen when they cut it, then discover the surprising one-sided shape that results.
After School Quick STEM · Science Week · Science Day +3Spaghetti and Tape Tower
Small teams build the tallest free-standing tower they can from dry spaghetti and tape, learning about triangles, bracing and teamwork.
Ancient Egypt · Science Week · Science Day +2Salt Mummy Apple Experiment
Children preserve apple slices in salt and compare them with uncovered slices over several days, discovering how drying helped ancient mummification.