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Which battery lasts the longest? In this science fair project, kids will test popular brand name batteries like Duracell and Energizer against generic brands.

This experiment will investigate whether reward or punishment is more apt to motivate people.

This experiment uses a voice recorder to monitor the progression of a message in the telephone game as it deviates from the original.

Research long-term effects and draft a questionnaire about frequency of marijuana use and average annual income. Interpret findings in a detailed report

Research information on vitamin content in foods, Examine the effect of vitamins, test organic samples of fruits, meats, grains for vitamin content.

This science fair project idea focuses on the production of oxygen by plants during the photosynthesis process.

Students will investigate the thermal conductivity of metals by learning how to measure thermal conductivity with this fun and easy science fair project idea.

Determine if certain colors of light are more effective for photosynthesis. Plant seeds in cardboard boxes with different light, record visible growth.

The objective of this science fair project is to observe the properties of friction and apply this knowledge to search for a near-frictionless surface.

Demonstrate the relationship between mass, volume and density. Measure displaced water, and weigh object to calculate mass and density.

This science fair project idea investigates how optical distances change the apparent size of an object as seen through a magnifying lens.

Study history of aerodynamics of arrow design to create a perfect arrow. Test arrows by shooting at an archery target.

Research overview of architecural acoustics. Design and build a whispering wall from wood or plastic. Test which materials work best.

This experiment explores whether music affects the growth of bacteria and could help figure out better ways to process sewage and other microbe-assisted duties.

Determine the effect of homework on academic performance. Collect grade info at the end of a semester, determine correlation between grades, amount of homework

This experiment will explore whether adding different substances to a gel affects its strength.

The objective of this science experiment is to evaluate the affects of high and low heat capacity on a material's heat retention ability.

Have you ever noticed the ridges on a dog's nose? In this project, we take several dogs' nose prints and discover just how unique they are!

This project compares the national anthems of several different countries to determine if there is a correlation between tempo and a country's latitude.

Use applied math to model orbital eccentricity in this cool science fair project for 7th grade.

This science fair project idea focuses on saturated and unsaturated lipids (fats and oils).

Is it amplitude? Weight? Length of string? Kids will discover what factors changing the period of a pendulum depends on in this fun and easy physics experiment.

Science fair project that compares tree leaf size and shape based on the leaf's position in the tree. Is their is a noticeable difference between high and low?

This science fair project will help learners determine whether algae can be made to grow by feeding it supplementary carbon dioxide.

This science fair idea examines hydrogel superabsorbent polymer crystals. They can absorb 500 times their weight in water. Can they absorb other liquids too?

Science fair project that determines whether brain size is correlated with intelligence.

This project involves the programming and development of a 3D Rubik's Cube application using C++.

Get down to the rubber with this science project that tests the effectiveness of different types of erasers.

This science fair project collects information on the Internet about yourself and others.

This project determines whether Styrofoam, paper, or plastic cups are best for preventing ice from melting.