Chemistry’s Got Milk?

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Kristina Tinsley (10) makes observations of the chemical reaction. The food coloring showed the dishwasher detergent eating away the fat in the milk.

Cami Wallace

Ms. Lauryn Beneturski’s, Science, Chemistry Honors class kicked off the year with a lab on Aug. 21 during the matrix period.

The students started out with four solutions of milk: whole, 2 percent, half and half and skim. They added food coloring and dishwasher detergent to see the reactions among the different types of milk.

“We added food dye and watched the milk and how the dye travelled.  Then we added a stick with dishwasher detergent on it and watched as the drops spread out rapidly, depending on how much fat was in the solution,” Rachel Kozel (10) said.

The soap ate away the fat in the milk, and the food coloring made the process more visible.  The more fat present, the more the food coloring was spread.

“I liked when I put the soap into the half and half with the food coloring because it was crazy. [The solution] was almost fluctuating,” Isaac Nash (10) said.

The lab was not only an introduction to the course, but a way for students to witness a chemical reaction through an interactive experiment.

“[The students] are doing a lab partially to make sure they are making correct observations and how the lab setting works.  They also are seeing the different properties of how different substances interact, which is what the first lesson explains,” Ms. Beneturski said.