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I used a computer to make model peptides with repeating pentapeptide blocks of the type of [AAAAA](n) and [DAAAK](n), where n is the number of blocks; n=1-4. I modeled extended, strand, and helical structures. I measured and compared the stabilities of the peptides with and without energy minimization. I used the programs Insight II, IsisDraw, and DeepView.
Difficulty: High school
-grade science, "The learner will build an understanding of the lithosphere." It specifically addresses Objective 1.01, "Determine how physical and biological agents and processes form soil and affect soil characteristics."
Difficulty: Middle school
Over 170 years ago, a man named Laennec invented the first stethoscope. Before your class goes into the Institute's Giant Heart in the BioScience Exhibit stop and see it. It is a wooden tube about 1 inch in diameter and about 10 inches long. This experiment teaches you how to build your own homemade stethoscope and how to use it.
Difficulty: Elementary school
The apparatus consists of a heavy object that is dragged steadily with an elastic cord. Although pulled with a constant velocity, the heavy object repeatedly slides and then stops. A small vibration sensor, attached to a computer display, graphically monitors this intermittent motion.
Difficulty: High school
This report describes how to build a model of the outer 300 km (180 miles) of the Earth that can be used to develop a better understanding of the principal features of plate tectonics, including sea-floor spreading, the pattern of magnetic stripes frozen into the sea floor, transform faulting, thrust faulting, subduction, and volcanism.
Difficulty: High school
If the salt in the sea could be removed and spread evenly over the Earth's land surface it would form a layer more than 500 feet thick, about the height of a 40-story office building.
Difficulty: High school
This science fair project was done to investigate how the strength of a dome is affected by increasing its diameter while maintaining its height. As the construction of a dome is sophisticated, the tests were done using an arch, which has similar properties to a dome.
Difficulty: High school
This science fair project was done to compare the performance of a flat drain cover and a dome shaped drain cover. The tests were conducted using leaves, grass, soil and plastic wrappers.
Difficulty: Middle school
This science fair project aims to investigate the strength of an arch. The experiment is carried out using plywoodof different lengths bent into an arch and fixed to a test stand.
Difficulty: Middle school
Why are some skateboards more expensive than others? One of the factors influencing pricing, is the quality (and consequently, the price) of its bearings. This science fair project aims to find out how the the quality of the bearings of a skateboard affects its performance. Tests will be carried out on 5different types of bearings
Difficulty: Middle school
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