How to stack Liquid into a Layer Tower

You’ve probably all heard of how different liquids like water and oil have different densities and this makes them hard mixing together. But when was the last time you actually took the time to admire this effect and created something this magical with science. You can do it today and here is how:

All you need is liquids with different density (I used honey, dish soap, water, rubbing alcohol and vegetable oil), a clear glass, maybe food coloring (for cool effects) and a food baster.

Measure equal amounts of the liquids (as you can probably tell, I didn’t do so and it would have been so much prettier if I had) and maybe even color some of the liquids. I used blue food coloring for the water and red for the rubbing alcohol. Now, the stacking can begin. Layer the liquids starting at the bottom of the clear glass in the following order:

1. Honey – being very careful not to touch the sides with it, pour the honey into the center of the glass.

2. Dish soap – layer the dish soap directly into the middle of the layer of honey. Take your time and let the layers settle before adding the water.

3. Water – stacking the less dense liquids can be tricky. Using a food baster held against the wall of the glass and working slowly and steadily will create nice layers.

4. Rubbing Alcohol (depending on the brand it might be heavier or lighter than than the vegetable oil) – again, use the food baster and let the layers settle before adding the next one.

5. Vegetable oil – dribble the oil on the inside wall of the glass on top.

Now you’re done and can admire your work once the layers settled down.
There are some other liquids you could add and stack the layering tower even higher. But make sure to bring some patience for the extra layers. Corn syrup could be added between the honey and the dish soap. Lamp oil is even less dense than vegetable oil and could be filled up on top. If you find a cool color like red it’s even prettier!

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