Electric Circuits and Devices
Science Fair Projects
Ideas and Sample Projects by Grade Level

P=Project   E=Experiment
Make conductive and insulating play dough and use it to create a simple squishy circuit that lights an LED (light-emitting diode), buzzer, or motor. [E]
P=Project   E=Experiment
Make conductive play dough and use it to create simple series and parallel circuits that light multiple LEDs (light-emitting diodes). [E]
Build a simple burglar alarm [E]
Build a simple circuit tester and use it to investigate how electricity flows through a household lamp. [E]
Electricity and Magnetism Science Fair Projects and Experiments
P=Project   E=Experiment
Make conductive and insulating play dough, and use them to create a three-dimensional sculpture that lights up. [E]
Is it possible to send a clear telegraph signal over 25 feet by using one "D" battery? [E]
Build a portable burglar alarm [E]
Make batteries from fruits and vegetables using metal electrodes and a digital voltmeter and resistors determine voltage, current, and power that your batteries can produce. [E] [E]
Will batteries connected in series make a light bulb glow brighter than batteries connected in parallel? [E]
How connecting devices (light bulbs) in parallel and series affect the electric current and voltage in a circuit? [E] [E]
Measure the intensity of different light bulbs using the inverse square law and a simple homemade photometer. [E]
Build a dance pad that flashes lights when you step on it. [E]
Electricity and Magnetism Science Fair Projects and Experiments

P=Project   E=Experiment
Determine the optimum load resistance in a circuit that yields the most power delivery [E]
Build your own light bulb and test different filament materials to determine which is best. [E] [E] [E] [E]
Experiment with Ohm's and Kirchhoff's laws [E]
Build a Thermo-Electric Generator [E] [E]
Electricity and Magnetism Science Fair Projects and Experiments
R=Resource
Science Fair Project Resources [R]
Citation Guides, Style Manuals, Reference [R]
Electrical Safety [R] [R]
Electricity Science Fair Books

 Science Fair Project Guide Home Science Fair Project Types The Scientific Method - How to Experiment The Display Board Topics, Ideas, Sample Projects

 Electrical Discoveries and Inventions Edison: Light Bulb Ohm's Law Ampère's Law Voltaic Pile Faraday: Electric Motor Franklin: Kite Experiment Morse: Telegraph Tesla: AC Electric Power Zuse Konrad: Computer