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Marvin and Milo

Explore physics the exciting way, by trying out a simple and fun experiment. This month, Electric Slime Don't forget to check back next month for the next edition...

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What you need



A tablespoon

A cup


Vegetable oil



Mix two to three tablespoons of cornflour with vegetable oil in the cup to make a gloopy slime like thick cream.

Rub the polystyrene or balloon on your hair.

Make a stream with the slime by pouring it from the tablespoon back into the cup. Wave the polystyrene object or balloon near the slime stream. The slime should move towards the balloon and become much thicker.

Results & explanation


The slime is made of tiny particles of starch surrounded by oil. Rubbing the object makes it negatively charged and it attracts the positive ends of the starch particles so that these line up and clump together.


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