Plants help keep a house cool! This article includes step-by-step instructions for completing this fun and interesting science experiment.

This science fair project idea examines liquids of different densities.

This science fair project discovers the causes, effects and practical applications of buoyancy and encourages technological advances.

This science fair project idea deals with the qualities of shade on a sunny day.

This science fair project idea discovers the practical applications for the structural design of a snail shell.

Study blind spots, run experiments in blind spot detection, design an original blind spot experiment, test your design on volunteers

In this project, vinegar and salt act as preservatives keeping bacteria from growing in the bouillon mixtures.

Consult mechanics, automotive specialists for advice. Build a real engine or a scale model. Test and demonstrate its mechanical properties.

This science fair project idea looks into the concept of powered parachutes as the future of transportation.

Determines the extent that high school GPA predicts future income. Survey volunteers, divide GPA into 5 categories, compare income levels with GPA

Administer IQ tests to volunteers. have one group practice typical IQ test problems. Then compare results of the two groups.

Plant sunflower seeds , measure height, calculate average height, compare size and weight of heads. Interpret findings in detailed report.

Research active ingredients in anti-aging creams. Test skin creams on volunteers, document the effectiveness of the creams with before an after photographs.

This science fair project idea discovers the mechanism of laminar flow and encourages technological progress based on this concept.

Create groups of volunteers based on frequency of playing video games. Compare driving records. Analyze data, interpret findings.

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

This project uses science and art to help students learn and teach others about Earth's endangered and extinct species.

The goal of this science fair experiment is to demonstrate the effects of air pressure on objects and analyze applications of air pressure principles.

The goal of this science fair project is to attempt to build a perpetual motion machine and analyze the Laws of Thermodynamics.

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

This science fair project idea identifies the properties of soap bubbles and invents a new or improved bubble solution.

This science fair project outlines the uses of gold and explores the monetary value of gold.

Science fair project that compares the biodiversity of fungi in different ecosystems by identifying species of fungi.

Create a double-slit interference out of cardboard. Produce an interference pattern that demonstrates the wave and particle characteristics of light.

Research responsibilities of physicists, and common thinking patterns. Devise a questionnaire that measures career aptitude in physics.

This science fair project idea creates cool new colorful fabric pattern designs and experiments with the mixing of colors.

Science fair project that evaluates how well clothing fabrics block UV radiation by examining the properties of different fabrics.

This science fair idea project identifies the active ingredients in soap and experiments with the properties of soap.

The objective of this science fair project is to assess the benefits of the game system for improving player performance following use.

This science fair project idea experiments with unusual ideas in fashion design and the development of eco-friendly fashion products.