Renewable Energy Cost
Science Fair Projects
Ideas and Sample Projects by Grade Level


Home Experiments Solar Inventions Warning!
Elementary School - Grades 4-6
P=Project   E=Experiment
The effect of different kinds of wood on how fast it burns [E] [E] [E] [E]
Blade Variable (number of blades, length, size and area of the blades, degree of pitch) Effects on Windmill Efficiency? [E] [P] [P] [P] [P]
The effects of water type, distilled or tap, and temperature oo an hydrogen fuel cell efficiency [P]
Compare the efficiency of banana peels, peel briquettes and coal in order to evaluate environmentally friendly fuels. [P]
Solar Energy Cost & Efficiency Science Fair Projects & Experiments
Electricity Cost and Efficiency Science Fair Projects & Experiments
Middle School - Grades 7-9
P=Project   E=Experiment
Compare a fuel cell's efficiency to that of an internal combustion engine. [E]
Compare the energy efficiencies and environmental friendliness of biofuels and fossil fuels. [P]
Investigate solar homes economic efficiency - how much money it would cost, and how much money we would save over a period of 5, 10 and 20 years. [E] [E]
Compare petroleum diesel to Diesel Secret Energy (DSE) in fuel consumption, motor oil cleanliness, exhaust emissions, power, and price. [E]
Geothermal energy efficiency and negative effects on the environment. [P]
The Efficiency of Different Savonius Wind Turbines [E]
Which is more efficient: a Horizontal Axis wind turbines or a Vertical Axis one? [E] [E]
Which Type of Wood, Hardwood or Softwood, Will Burn Fastest? R [P]
Determine which fireplace fuels work most efficiantly to heat a room for the least amount of time, energy, and money. [E]
Find out the catalyst that will make a fuel cell more efficient? [E] [E] [E] [E] [E]
If you use an electrolyte with a low conductivity value, then the conversion efficiency (electrical power) of the fuel cell will decrease? [E]
Solar or methanol fuel cells - which is more efficient? [E] [E]

Can a farmer reduce his input costs by growing his own fuel? [P]
Which common gasoline alternative fuel is the most efficient in cost and caloric content including wood, vegetable oil, animal fats, and natural gas. [E] [E]
Solar Energy Cost & Efficiency Science Fair Projects & Experiments
Electricity Cost and Efficiency Science Fair Projects & Experiments
High School - Grades 10-12
P=Project   E=Experiment
Which type of natural energy source is more efficient - a hydroelectric dam or a wind turbine. [E]
Investigate whether the heat from a compost bin or pile can be used to efficiently and effectively heat water. [E]
Test Photovoltaic Cells vs. Solar Thermal Energy (Stirling Engines) Efficiency [E] [E] [E]
The Effect of Variable Microorganisms and pH on the Efficiency of a Microbial Fuel Cell (MFC) [E]
Determine whether ethanol is a more efficient and clean burning fuel than gasoline. [E] [E]
Determine how efficient certain biofuels are in comparison to diesel fuel and whether using new or used oil in the making of the biofuels alters their efficiency. [E]
Produce Cellobiose Dehydrogenase from fungi Trametes versicolor in a exogenous expression system, either in E.coli or in transgenic tobacco plants. The recombinant CDH obtained from this project could be used in a cellulase cocktails to more efficiently degrade lignocellulose materials. [P]
Discover the most efficient crop to use in the creation of biodiesel. [E] [E]
The Effect of Temperature on PEM Hydrogen Fuel Cell Efficiency [E]
An efficient, low cost underwater glider that recycles energy by using a fuel cell as its method of propulsion [E]
Compare biofuels (ethanol) with bioelectricity (burned biomass) efficiency (more energy from the same amount of land) [E]
Can Geothermal Power Compete with Coal on Price? [E]
Solar Energy Cost & Efficiency Science Fair Projects & Experiments
Electricity Cost and Efficiency Science Fair Projects & Experiments
Useful Links
R=Resource
Science Fair Projects Resources [R]
Citation Guides, Style Manuals, Reference [R]
Safety Resources [R] [R]
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