Electrical Resistance and Conductivity
Science Fair Projects
Ideas and Sample Projects by Grade Level

Home Experiments Electronics Warning!
Elementary School - Grades 4-6
P=Project   E=Experiment
Test if the length of a pencil resistor effects the output of a circuit. [E]
How is the conductivity of distilled water affected when substances such as salt, sugar, vinegar or baking soda are added? [E] [P]
Does electricity pass through air, water, metal or plastic? [P]
Which fruit or vegetable conducts electricity the best? [P]
Test the resistance of different metals and materials. [E] [E]
Build a simple burglar alarm [E]
Middle School - Grades 7-9
P=Project   E=Experiment
Determine how changing the length and width of strips of electric paint affects their resistance. [E]
[E] Determine which method for measuring small resistances (< 1 kohm) is best: the two-point or four-point resistance measurement method. [E]
Build your own LED water conductivity meter - conductivity as a water quality measurement [E]
Investigate if the density of wood affects the conductivity of the wood. [E]
Measure the Electrical Conductivity of a Candle Flame [E]
How Temperature Affects Carbon Resistors [E] [E]
How connecting devices (light bulbs) in parallel and series affect the electric current and voltage in a circuit? [E] [E]
Build a portable burglar alarm [E]
How Salt Affects Electrical Conductivity [E]
Is it possible to send a clear telegraph signal over 25 feet by using one "D" battery? [E]
Which conducts electricity better, an acid or a base? [E]
Determine the conductivity of different liquids [P]
High School - Grades 10-12
P=Project   E=Experiment
Prove that an electrical wire's resistance is a function of its length and cross sectional area. [E]
What factors affect the resistance of a wire? [E] [E]
Determine the optimum load resistance in a circuit that yields the most power delivery [E]
Discover how electromagnetic radiation flows through open air, vacuum, helium and argon. [E]
Experiment with Ohm's and Kirchhoff's laws [E]
Useful Links
Science Fair Project Resources [R]
Citation Guides, Style Manuals, Reference [R]
Electrical Safety [R] [R]
Electricity Science Fair Books


Electricity Projects
Electricity Topics Related Subjects
Batteries & Cells
Fruit & Vegetable Batteries
Bulbs & Lamps
Electric Circuits & Devices
Resistance & Conductivity
Electric Motors & Generators
Magnetic Levitation
Static Electricity
Power Technology
Electricity Cost & Efficiency
Temperature and Electricity
Magnets & Electromagnets
Solar & Renewable Energy
Cell Phones
Computer Science

Science Fair Project Guide
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

Electronics Projects Famous Electro Scientists

My Dog Kelly

Follow Us On:

Privacy Policy - Site Map - About Us - Letters to the Editor

Comments and inquiries:

Last updated: January 2017
Copyright © 2003-2017 Julian Rubin