Water Energy
Science Fair Projects
Ideas and Sample Projects by Grade Level

Primary School - Grades K-3
P=Project   E=Experiment
Find out if the depth of water affects wave speed that affects the power of ocean waves as a renewable source of energy [P] [P]
How Hydro Electricity is Produced? [P]
Hydropower Experiments, Projects & Background Information
Elementary School - Grades 4-6
P=Project   E=Experiment
Test if a faster water flow and a resulting faster waterwheel will also pull an object faster [P]
Pull a car with water power [P]
Build and demonstrate your own hydroelectric (water-powered) generator. [E]
How Does Water Height Affect the Output of a Turbine? [P]
Using Hydropower to Lift a Load [E]
Hydropower Experiments, Projects & Background Information
Middle School - Grades 7-9
P=Project   E=Experiment
What level of slope can produce the most amount of electricity in a mini hydroelectric plant. [P]
Create a buoy that can convert ocean swells into clean, efficient electric energy without polluting or harming the environment. [E]
Find out whether it is possible to generate energy from the power of waves by using a shake-powered flashlight. [E]
Build a turbine that will be able to harness the energy of a simulated ocean current to power a light bulb. [P]
Build a model tidal barrage or dam and investigate how the size of the tunnel affects the speed of rotation. [E]
How Reservoir Height Affects Hydroelectric Power Production [E]
Determine if any locations along the coasts of the United States are appropriate for building wave energy power systems. [E]
Test salinity gradient power (blue energy) [E] [E]
Prove that when looking at the power available in a wave, the height of the wave has a greater contribution than the period of the wave. [E]
Generate electricity by evaporating water using a Classic Drinking Bird [E] [E]
Ocean wave energy converted to electricity [E] [E] [E] [E] [P]
Generate electricity by harnessing some of the kinetic energy of water flowing through a 1 1/4 inch pipe. [E] [E]
Simulate a wave energy buoy using magnets and springs that would generate electricity by converting wave energy to electrical energy. [E] [E]
Determine if a vortex of spinning water would provide more kinetic energy than a laminar flow of water and would therefore increase electrical power output in a hydroelectric dam. [E]
Ice Expansion Generators: A Powerful New Source of Renewable Energy [E]
Prove that smaller waves produce more electricity. [E]
The effects of wave amplitude and frequency on the amount of electricity that can be produced by a water wave generator. [E] [E]
Hydropower Experiments, Projects & Background Information
High School - Grades 10-12
P=Project   E=Experiment
Examine water's usefulness as a renewable energy source by observing how efficient a cobalt-based catalyst can be at helping to form molecular oxygen. [E]
Water turbine gear ratio that delivers the optimum efficiency [P]
Extracting Energy From Phase Shift in Water [P]
Test whether a hydrogen peroxide powered Tesla turbine has more energy than a battery of the same weight. [E]
The Effect of the Density of Water on the Wattage Output of an Hydroelectric Generator [E]
Describe alternative energy sources and outline advantages and disadvantages of any source. [E] [E] [P]
Build a Kelvin Water Dropper. [E]
Which type of natural energy source is more efficient - a hydroelectric dam or a wind turbine. [E]
Hydropower Experiments, Projects & Background Information
R=Resource
Science Fair Projects Resources [R]
Citation Guides, Style Manuals, Reference [R]
Safety Resources [R] [R]
Renewable Energy Kits

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