The Free Science Fair
Projects Network

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Which Type of Ocean Wave Energy Converter Produces the Most Power? For grades 8 thru 12 Category: Physics Hypothesis: An oscillating water column will create the most power, a ramped surge device will create less power, and a nodding float will create the least amount of power. Primary Materials Used: Propeller, DC Motor, Wire Cutters, Multimeter, Amp Meter, Rubber Hammer, Quark, Wooden Dowels, Electric Drill and Bits, Piece of Tin, Metal Hammer, Funnel Click Here for more details about the " Which Type of Ocean Wave Energy Converter Produces the Most Power?" science fair project.

Electric Charge in Fruits and Vegetables For grades 3 thru 8 Category: Physics Hypothesis: The potato will have the greatest charge. Primary Materials Used: Various Fruits and Vegetables, Multimeter Click Here for more details about the "Electric Charge in Fruits and Vegetables" science fair project.

How To Make An Egg Float For grades K thru 3 Category: Physics Hypothesis: Adding four teaspoons of salt to a cup of water will increase the water's density so the egg will float. Primary Materials Used: Measuring Cup, Egg, Salt, Water, Teaspoon Click Here for more details about the "How To Make An Egg Float" science fair project.

What Angle of Incident Light Striking a Solar Cell Produces the Most Electricity? For grades 3 thru 7 Category: Physics Hypothesis: Solar cells facing the sun directly (at a 90 degree angle) will be the most efficient. Primary Materials Used: Solar Cell, Multimeter, Music Stand, Source of White Light, Protractor Click Here for more details about the "What Angle of Incident Light Striking a Solar Cell Produces the Most Electricity?" science fair project.

What Levee Construction Holds the Most Force? For grades 4 thru 9 Category: Physics Hypothesis: Levees constructed of rock will probably hold the most force because rock is strong. Primary Materials Used: Fine Particle Dirt, Play Sand, 2.5 Centimeter Rocks, Wood, Nails, Shot Put Ball, Ruler Click Here for more details about the "What Levee Construction Holds the Most Force?" science fair project.

Which Materials Carry Sound Waves Best? For grades 3 thru 7 Category: Physics Hypothesis: The rubber band will carry sound waves the best because it stretches. Primary Materials Used: 8oz Plastic Cups, String, Rubber Bands, Copper Wire, Microphone, Oscilloscope, Signal Generator, Speakers Click Here for more details about the "Which Materials Carry Sound Waves Best?" science fair project.