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Determine the growth rates of different types of human hair. Ask volunteers to not cut their hair until the end of experiment. Measure hair length.

Which bread molds fastest? Explore the different kinds of breads and how quickly they mold, along with the role of preservatives.

This experiment will explore whether fractals really repeat themselves infinitely.

Demonstrate and explain holographic technology. Determine if a holographic image of a magnifier still magnifies the object beneath it. Explain the effect.

Design and build a balloon rocket from an existing design. Think of the ways in which existing designs can be improved, new practical applications

This science fair project idea explores whether factors such as temperature and concentration affect the pH of a solution.

The objective of this science project is to determine the relationship between carbon dioxide gas and the temperature of the atmosphere.

Is it possible to trick the forces of nature that make your bubbles round to create a square bubble?

How does a compass work? What's a magnetic field? Kids will build their own compass at home to find the answers in this great science fair project idea.

Science fair project that compares the ecology of different soil samples by identifying which sample has the most invertebrates living in it.

How do animals keep warm? In this experiment, find out whether fat insulation resists cold temperatures and learn how this works in the animal kingdom.

What is condensation? Little mad scientists will learn about condensation, states of matter, and air pressure by conducting this cool science experiment.

This science fair project idea focuses on two classes of sugars monosaccharides (fructose) and disaccharides (sucrose or table sugar).

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.

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

The objective of this science project is to examine the factors that affect the dispersion of oil in water, including water agitation.

The goal of this science fair project is to evaluate the effect of heat on sound wave frequency.

Do people only "hear" what they want to hear? Explore pareidolia and psychoacoustics with this easy science fair project that pits melody against white noise.

This science fair project idea models industrial oil spills and determines if they have an impact on wildlife living beneath the surface of the water.

Learn about our cognitive capacity of attention and to learn about factors that influence attention.

Spiders don't go to grocery stores or fast food chains to get their food -- they set up traps and wait for their food to come to them!

Cleaning can be a chore, but not with this sudsy experiment!

What does yeast eat? Sugar, of course. But yeast also has some powerful enemies in the form of antifungal agents! Kids test them out in this fun yeast lab.

Science fair project in which you will build your own algae photobioreactor which will meet the physiological requirements of algae for maximum growth.

Learn about the effect of artificial light on plant growth versus natural sunlight and delve into some biology and botany concepts in this science project.

This science fair project idea determines whether volunteers remember more information presented orally or visually or kinesthetically.

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

The objective of this project is to examine the ways in which a passive solar house may contribute to conservation of energy.

How greasy are your potato chips? Students will use a reliable method to quantify greasiness and compare different brands in this great science fair project.