Essay about Biology Milk Lab

1303 Words Sep 20th, 2011 6 Pages
Bonnie Bell

Mrs. Legary

Biology P.6

21, Sept. 2011

Milk Lab Final

This investigation consists of testing the reaction between milk, food coloring, and dishwashing soap. Different kinds of milk were tested, depending on the amount of milk fat content. The investigation was based on 2 questions. Lab one’s problem statement, using only milk fat and food coloring was: How does food coloring react in different kinds of milk fat? The second lab’s problem statement, using milk fat, food coloring, and dishwashing soap was: What happens when detergent is added to different milk fats and food coloring? The expectation is that the milk with higher fat content will have a more dramatic reaction. If the milk has a higher fat content,
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The first table shows the results between the milk and food coloring. In milk fat 1, the red food coloring spread fast and wide. In milk fat 2, the red food coloring did the same as milk fat 1. In milk fat 3, the red food coloring spread slowly in an oval shape. In milk fat 4, the red food coloring didn’t expand very big. In milk fat 1, the blue food coloring expanded slowly for a long time and stayed dark blue. In milk fat 2, the blue food coloring spread fast for a long time and stayed in one big glob. In milk fat 3, the blue food coloring looked like a spider web. It starts out light in color and expanded slowly getting darker. In milk fat 4, the blue food coloring got gets lighter as it expands. In milk fat 1, the yellow food coloring was more spread out. In milk fat 2, the yellow food coloring stayed in a little circle. In milk fat 3, the yellow food coloring stayed in a little circle and turned to an orangish-yellow color. In milk fat 4, the yellow food coloring stayed in a small spot and didn’t spread. In milk fat 1, the green food coloring spread fast but not very big. In milk fat 2, the green food coloring didn’t spread very big. In milk fat 3, the green food coloring spread pretty big. And in milk fat 4, the green food coloring spread quickly.

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