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For those who dream of giant solar collectors which can generate temperatures high enough to melt steel, below is a method for building your own Solar Furnace of any size you desire.
Difficulty: High school
People in equador regions use spices in food preparation for thousands of generations. By using these spices, are they keeping themselves healthy by keeping their food "clean?" My objective is to find out if spices have the ability to kill food-spoilage microorganisms. And if they do, which spices are most effective and by how much?
Difficulty: Middle school
The mouthwash containing sodium fluoride will work the best because it is an oxidizing agent, which kills bacteria and prevents more sulfur compunds from generating. It differs from the mouthwashes containing zinc, which simply decrease the concentration of sulfur compounds, and the antiseptic mouthwashes that can cause your mouth to be dry.
Difficulty: Middle school
this experiment, I will be able to tell if exercising generally brings blood pressure to a harmful reading. If so, then exercising could possibly be hazardous to one's health.
Difficulty: Middle school
My objective was to determine the optimal arrangement of cell phone transmission towers in Kern County to generate the best service coverage and the most profit using a mathematical model.
Difficulty: High school
Students will construct a ramp using LEGO elements. Students will collect data to compare the mechanical advantage to effort. Students will make generalizations that they can apply to determine the mechanical advantages. One of many really cool sceince fair projects to try!
Difficulty: Elementary school
Certain chemical bonds will generate light energy when the molecules are torn apart by mechanical crushing. Wintergreen Lifesaver candies contain some of these bonds. No other flavor of lifesaver candy (such as peppermint) will work in this experiment.
Difficulty: Elementary school
Hydroelectric facilities are built at the base of dams to take advantage of the high pressure of the water at the bottom of a reservoir. The water pressure is funneled through a tunnel through the dam called a penstock. The water then is focussed on the blades of a turbine. Water pressure of the water turns the turbine, and the turbine turns a generator making electricity. This simple experiment
Difficulty: Elementary school
1. observe that soil erosion occurs when the water washes the soil away from the trays. 2. record their data. 3. construct a general scientific understanding that plants hold soil in place via roots and help prevent soil erosion by water. 4. conclude that soil erosion by water increases with the destruction of the rain forests.
Difficulty: High school
Sucrose, commonly known as table sugar, is a disaccharide composed of an alpha-D-glucose molecule and a beta-D-fructose molecule linked by an alpha-1,4-glycosidic bond. When this bond is cleaved in a hydrolysis reaction, an equimolar mixture of glucose and fructose is generated. This mixture of monosaccharides is called invert sugar, which is derived from the fact that sucrose rotates plane
Difficulty: High school
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