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