Stack seven different liquids in seven various layers. Anyone deserve to stack blocks, boxes, or books, but only those with a steady hand and a tiny understanding the chemistry deserve to stack liquids. What if you can stack seven different liquids in seven various layers? Think that it as a science burrito!


Materials

Light Karo syrupWaterVegetable oilDawn dish soap (blue)Rubbing alcoholLamp oilHoneyGraduated cylinderFood coloring or True color Coloring TabletsFood baster9 oz part cups

EXPERIMENT

Measure 8 ounces of each form of liquid into the 9 ounce part cups. You may want to shade each that the liquids to make a much more dramatic result in her column. Irradiate Karo syrup is much easier to color than dark syrup. The just liquids that you might not be able to color space the vegetable oil and also the honey.Start your tower by putting the honey into the cylinder. Now, you will certainly pour each liquid gradually into the container, one in ~ a time. It is very important to to water the liquids slowly and also into the facility of the cylinder. Make sure that the liquids do not touch the political parties of the cylinder when you space pouring. It’s it s okay if the liquids mix a little as you room pouring. The class will constantly even themselves out since of the differing densities. Make sure you to water the liquids in the adhering to order:HoneyKaro syrupDish soapWaterVegetable oilRubbing alcoholLamp oilAs you pour, the liquids will certainly layer on height of one another. After ~ you to water in the liquids, girlfriend will have actually a seven-layer scientific research experiment – a scientific research burrito!
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HOW DOES it WORK?

The exact same amount that two various liquids will certainly have various weights since they have various masses. The liquids the weigh an ext (have a greater density) will sink below the liquids the weigh less (have a lower density).

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MaterialDensity
Rubbing Alcohol.79
Lamp Oil.80
Baby Oil.83
Vegetable Oil.92
Ice Cube.92
Water1.00
Milk1.03
Dawn food Soap1.06
Light Corn Syrup1.33
Maple Syrup1.37
Honey1.42

To check this, you can want to set up a scale and also measure each of the liquids the you poured right into your column. Make certain that you measure the weights of equal sections of each liquid. Friend should discover that the weights of the liquids exchange mail to each various layer of liquid. Because that example, the honey will weigh more than the Karo syrup. By weighing these liquids, friend will discover that density and also weight are carefully related.

** NOTE: The number in the table are based on data indigenous manufacturers for each item. Since each manufacturer has its mystery formula, the densities might vary native brand come brand. You’ll notification that follow to the number, rubbing alcohol need to float on optimal of the desk lamp oil, but we recognize from ours experiment the the lamp oil is the peak layer. Chemically speaking, lamp oil is nothing an ext than sleek kerosene through coloring and also fragrance added. Does every brand of lamp oil exhibit the exact same characteristics? Sounds prefer the structure of a an excellent science fair project.

The table mirrors the densities of the liquids used in the column as well as other common liquids (measured in g/cm3 or g/mL).

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Density is basically just how much “stuff” is smashed right into a certain area… or a comparison between an object’s mass and also volume. Mental the all-important equation: thickness = Mass divided by Volume. Based upon this equation, if the load (or mass) of other increases yet the volume stays the same, the density has to walk up. Likewise, if the massive decreases but the volume continues to be the same, the thickness has to walk down. Lighter liquids (like water or rubbing alcohol) space less dense than hefty liquids (like love husband or Karo syrup) and also so float on height of the much more dense layers.