Simple Science Experiments:
Kids Fun With Surface Tension

Get a free e-book of the best simple science experiments that won't let you down! 

Let's start by demonstrating surface tension with the magic of milk.

Here's why I like this experiment so much:

  • You're almost bound to have the ingredients
  • It's simple, safe and quick
surface tension experiment
  • And totally beautiful!

"We have done this experiment. My daughter loved it."

~ Dorene, homeschool-activities facebook fan

surface tension experiment
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"We did this, it was awesome!"

~ Carmen, homeschool-activities facebook fan

As you can see, the stuff you need for this homeschool experiment should be in your kitchen cupboard.  Any brand of dish soap (washing up liquid in the UK) will do. 


You may need to supervise the bit when your kids add the food colors as they can go a bit wild and muddy brown is not everyone's favorite color.

Homeschool Science

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This simple science experiment is one of many kids science ideas you'll find here.

If you're interested in the homeschool science behind the experiment, you'll be pleased to know you've just used simple science to demonstrate the basic reason why pond skaters walk on water!

The molecules in the milk are attracted to each other and that bond makes an invisible 'skin' on top of the milk. That's the surface tension effect.

By adding dish soap you weaken the surface tension and the molecules move apart. That's how come this simple experiment shows your kids pretty colors as the food dyes mix together to make beautiful sunsets.

You can get a free printable sheet of this homeschool experiment here:

free printable sheet

Teaching Home School Science

I learned a lot about home school science teaching from the kids, and the main thing I realized was that your basic role as a parent and teacher is to encourage your child's natural curiosity and wonder in the world.

It's that sense of wonder and excitement which is the basis for getting your kids interested in science.

It's also the basis for our free homeschooling curriculum.

make a lava lamp

 Kids Lava Lamp Science Experiment

ten science experiments that won't let you down e-book

Go to the link to kids experiments below to get my free e-book of ten simple science experiments that won't let you down!

Homeschool Kids Experiments › Surface Tension

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