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

The objective of this science fair project is to set up a compost bin to convert food scraps and organic waste.

This science fair project idea explores what it takes to create a biosphere, or a self-sustaining ecosystem.

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

This experiment investigates whether the primacy effect is observed more frequently in specific populations of people.

A math project teaches students to use a clinometer to gauge the height of very tall objects like trees & to think of better ways to measure how high they are.

This science fair project examines how carnivorous plants digest insects, and whether the plant can use nitrogen in the soil to compensate for lack of insects.

In this experiment, you will evaluate whether or not a diet that is supplemented with "brain-enhancing" foods can help improve memory.

Free science fair project idea examining how different types of water affect plant germination and growth.

Examine whether distilled water, spring water, or regular tap water yield faster plant growth.

This science fair project aims to examine the nature of pi and analyze other properties and values related to circles, such as radius, diameter

Determine if left-handed people have faster response times.

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

In this project students experiment with making music using only glasses of water.

The goal of this science fair project was to evaluate the ElectroMagnetic Field produced by Radio Frequency Identification transmitters.

Check out this cool science project idea to explore how temperature creates annual rhythms that govern plant growth.

This science project is to discover which Black Walnut tree tissue contains the most concentrated amount of Juglone, a substance that works like an herbicide.

This experiment investigates if stress alters body temperature.

This experiment will evaluate if chewing gum affects students' test performance.

There is debate about whether chalkboards or whiteboards are better. This experiment explores which leads to better retention of visually-displayed information.

This science fair project idea examines reptile behavior and to determine whether reptiles are more active during warmer temperatures.

This project explores whether plants can live and grow when "watered" with juice, soda, or milk.

This science fair project idea explores whether dogs do look like their owners.

This project explores the interaction between air pressure and playing surface in determining a basketballâs bounce.

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

What can you do with hair after its cut? This science project teaches you practical uses for human hair.

This science fair project idea determines which flower lasts the longest.

Find out whether putting something on top of a plant will inhibit its growth.

This project explores the effectiveness of various common household ingredients in cleaning tarnished and oxidized coins.

This science fair project idea determines what factors influence an individual's reaction time using a web-based timed reaction test.