This science fair project compares the allelopathic chemical produced by the Black Walnut tree to a commercial herbicide in stopping the growth of a shrub.

This science fair project idea measures out the sugar of various foods and find out whether people can correctly determine how much sugar is in common foods.

Determine whether people can actually taste the difference between âhealthyâ cookies and the traditional version.

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

This science fair project determines if the allelopathic chemical produced by the black walnut tree biodegrades immediately or persists over several days.

In this science fair project, we learn how air molecules move as a result of density, convection, and air currents.

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

What is a wedge? Kids find out by experimenting with different wedges in this simple science fair project idea.

In this project children practice the scientific method while playing with puffy paint.

In this project combining nature, art, math, and science, children make rubbings of leaves then observe shapes and structures and sort the leaf images.

Discover how and which salt melts ice the quickest.

Examine how a battery can be made from everyday materials.

This science fair project idea demonstrates that light travels in straight lines and experiments with reflecting light.

The purpose of this science fair project is to investigate which food wrapping works best to keep refrigerated and non-refrigerated foods from spoiling.

This science fair project idea investigates food preference of birds.

This science fair project idea focuses on the use a conductivity device to determine the ionic concentrations of hard water.

Chlorine and chloramine are added to our tap water to kill harmful microorganisms. What is the best way to filter these disinfectants in your drinking water?

Measure the speed of the earth's rotation using protractors and meter sticks. This science fair project measures the angle of the sun in relation to earth.

Science fair project that compares leaf pigments of various tree species. Which tree species do you think will have the most pigments and why?

This science fair project idea examines the reason boats are shaped and engineered.

The goal of this middle school science fair project is to examine the effect of caffeine on plant growth.

High school kids learn about fruit fly ethology in this cool lab that determines fruit fly movement and behavior under different conditions. Check it out.

Check out this fun science project idea on ecological succession and learn the main difference between primary and secondary succession.

In this fun project, use a memory game to test various age groups and determine whether aging directly affects short-term memory loss.

Learn how starch and carbohydrates interact with different solvents in this fun and easy packing peanut science fair project.

Is horse manure a possible energy source in a crisis? Use calorimetry to find out how much energy horse manure can produce in this science fair project.

In this fun experiment, we'll find out how color affects heat absorption!

In this science fair project, young children will become aware of and have the opportunity to experience the four basic tastes: sweet, sour, salty, and bitter.

Determine which video game elevates the heart rate best and burns the most calories.

Science fair project that demonstrates that rotting food attracts insects that lay eggs on it.