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

This science fair project idea addresses tempo, and whether faster or slower music works better as a study aid.

The goal of this evaporation experiment is to learn about how different external conditions affect drying time.

This cool electricity project teaches kids how connecting batteries in series vs. parallel circuits can contribute to different levels of voltage and amperage.

Generate gas from garbage. The purpose of this science fair project is to simulate how landfills generate gases that can be used to create energy.

Check out this cool science project idea to explore the differences in feeding behaviors of birds and if other species of birds also have color preferences.

Science fair project idea examines what is remembered from high school education. Formulate and administer high school curriculum tests to adults over 21.

This project investigates several commercially decaffeinated tea types (black, green, oolong, white) for the presence of detectable traces of caffeine.

Demonstrate and describe acid-base reactions of baking soda and baking powder by making pancakes.

Science fair project in which you will stage an election campaign to determine whether people are more swayed by a positive ad or negative ad.

Free science fair project idea that measures change in flexibility with age, using a variety of flexibility tests like Sit & Reach.

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

Check out this fun science fair project idea to learn how alkaline batteries convert chemical energy to electrical energy?

Use a dichotomous key to identify plants or animals.

Check out this science project idea that will have your kid investigate how dots (also known as pixels) are used to create digital photographs.

Check out this fun science project idea to explore different types of starches and learn how removing starch affects the quality and taste of food.

Science fair project idea that measures fuel efficiency in cars. Calculate cost per mile by comparing fuel cost and consumption data.

Use chemical analysis to identify a variety of mystery powders that look the same but actually have very different properties.

Check out this cool science fair project idea to explore the relation between onions and eyes and how to prevent eyes from tearing while cutting an onion.

This science fair project idea examines which is the best way to get rid of water stains (stains caused by just water) on fabric.

Science fair project that studies how perfumes are made in order to determine how we can capture a scent.

Explore the relationship between personality traits and birth order effects.

This science fair project teaches you about what makes persimmons so tart and how astringency can be removed by studying the effect of tannins on fruit.

Kids learn about examples of mechanical weathering and conduct an experiment with seeds and plaster in this cool geology science fair project idea.

This science fair project determines what effect substances have on ice, and which of these products most effectively melts ice.

Science fair project that compares the relative carbon dioxide concentrations of various gases, including different types of vehicle emissions.

Determine which factors promote the greatest memory interference. Administer test, time how long it takes subjects to complete different tasks.

Investigate the advantages of the use of ceramics in engines such as the tiles used in Space Shuttle. Use iron filings and magnets.

This science fair project idea identifies clouds as a means of predicting the weather.

This science fair project idea develops an understanding through experimentation of which shapes are the most structurally strong.