Lesson: Surface tension (5 easy home experiments)

 What is surface tension? Is it possible to walk on the water? Who can walk on the water?







What do we need for the experiment

for one student:

a plate

a coin

a pipette

paper card

scissors

an ear cleaning stick

clip for paper


In general:

a big plate to add some water

ground pepper

2 glasses

detergent for dishes



Experiment 1

Coins and drops of water


Experiment 2

Pepper on water



Experiment 3



Experiment 4 (competition)

Adding some water to the glass



Experiment 5

The ship



Who can walk on the water?




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