Science Fair Project: Can I Make a Fried Green Egg?This is a fun project for the lower grades, although you will need parental supervision when working near the oven to fry the egg.
If you mix a little red cabbage juice into an egg, it will change the color of the egg to green. This is because the red cabbage juice contains a natural pH indicator that changes color from purple to green under alkaline conditions. This natural reaction is what causes the fried egg to turn green. To do this experiment you will need an egg, red cabbage, stove, fry pan, knife and fork, microwave, paper towels, cup, cooking spray.
Prepare red cabbage juice for use as a pH indicator. Coarsely chop about a half cup of red cabbage. Place the cabbage in the microwave for about 3 minutes. Wrap the cabbage in a paper towel and squeeze the cabbage. Collect the juice in a cup. Spray a pan with cooking spray and heat over medium heat. Take an egg and separate the white from the yolk. Set the yolk aside.
Mix the egg white with a small amount of red cabbage juice in a small bowl. Does the color change? Add the egg white mixture to the hot fry pan and put the egg yolk in the middle of the egg. Fry it and eat it.
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