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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 pineapple fruit contains the protein degrading enzyme bromelain, which is extracted and sold in such products as Schilling's Meat Tenderizer. Papaya contains a functionally analogous enzyme.
Difficulty: High 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
Many recipes call simply for baking soda rather than baking powder. Usually these recipes use some kind of liquid acid like buttermilk or yogurt to react with the baking soda to produce the bubbles.
Difficulty: High school
To determine the influence of heat on thermal coagulation of egg proteins. This will be accomplished by preparing custards with varied heating conditions and egg protein.
Difficulty: High school
The purpose of this project was to observe how the digestion of protein varies at different pH levels. My hypothesis was that a pH level of 4 would digest the protein fastest.
Difficulty: High school
This very interesting experiment will help you prove whether soil functions as an electrical system.
Difficulty: High school
How to make your own soap using simple materials that we can find at home.
Difficulty: High school
The purpose of this experiment was to determine the sugar composition of various brand name apple juices, unknown brand apple juices, and juice blends. Then use that information to calculate the percentage of each kind of juice in the blends and compare the name brand apple juices to the unknown brands of apple juice to see if they are labeled truthfully. I became interested in this idea while
Difficulty: High school
This experiment was done to find out if garlic is effective in killing bacteria. This will help us understand the effectiveness of home remedies such as the use of natural herbs (including garlic) for medicinal purposes.
Difficulty: High school
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