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The purpose of this experiment was to determine if controlled atmosphere apple storage would affect the amount of malic acid and starch levels in apples. I became interested in this idea when one day I bit into an apple and it was crisp, mild, smooth and tart, while a week later the same batch was grainy and had a not-so-good taste.
Difficulty: Middle school
This activity uses a common potato and two different metals to make a enough electricity to run a small digital clock. Try this activity then attempt to expand on it to create a neat science fair project.
Difficulty: Elementary school
looking through a list of ideas provided by my science teacher. The sugar content interested me and since our town produces so many apples, I chose apple juice. I got the idea of truth in labeling and juice percentages while discussing this idea with my science teacher. The information gained from this experiment will help consumers to know if the manufacturers are labeling their products correctly.
Difficulty: High school
The fats people eat can come from either plants or animals. Fats from plants and animals are similar in some ways but different in others. In the activity below, you can do some simple experiments to learn some fat facts!
Difficulty: Elementary school
The purpose of this experiment is to observe the results of cellular respiration of yeasts, using grape sugar as a substrate and yielding carbon dioxide and ethanol.
Difficulty: High school
The purpose of this experiment is to measure and compare the Vitamin C content in a variety of food samples and to determine the effect of various factors on Vitamin C concentration.
Difficulty: Middle school
Just about everything has potential energy stored in it. The problem is releasing that energy to be able to do some work.A tiny peanut contains stored chemical energy. When we eat them, the stored energy is converted by our bodies so we can do work. We can also use the energy in a peanut to heat a container of water.
Difficulty: Elementary school
To determine factors that affect the yield and composition of meat after cooking. To accomplish this ground beef will be heated to different levels of doneness and wild rice will be added to ground beef prior to heating.
Difficulty: High school
I wanted to develop a hands-on activity related to my field of interest -- civil engineering with an emphasis in pavement and materials. Asphalt cookies were the perfect solution. Asphalt cookies are chocolate no-bake cookies. The process of making these cookies parallels the procedures used to produce asphalt pavements.
Difficulty: Elementary school
PURPOSE The purpose of this experiment was to see how accurately the egg producers measure their eggs. I became interested in this idea because I enjoy cooking and wondered if egg sizes were true and accurate. The information gained from this experiment would help cooks, nutritionists, or people concerned about their diet. -------------------------------------------------------------
Difficulty: Middle school
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