This science fair project idea quantifies exactly how accurate the cricket thermometer is.

A great science fair project on solar oven design that helps kids learn about solar power and solar heating.

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

Find a mathematical relationship between the intensity of a sound wave and distance from the sound source. Use a pedometer and a sound level meter.

Learn the anatomical and physiological differences between central and peripheral visual systems.

Check out this cool science fair project idea to explore the relationship between pulse rate and blood pressure in healthy people.

Find the North Star, and measure your latitude! The purpose of this science fair project is to find latitude and learn about geographic locations.

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

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.

In this project, all you need is a protractor to learn how to use the altitude of Polaris to find latitude on Earth. Polaris is also known as the North Star.

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

In this science fair project, students make their own rain gauge to measure rainfall.

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.

This science fair project idea examines how well individuals can remember a story they were told and how accurately they pass that story along.

Sure, you already know that water is made up of hydrogen and oxygen, but did you know that oxygen levels differ in different types of water?

What is mulch? Kids will provide soil with a wet blanket of mulch and see if that helps keep drought-stricken soil damp.

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

Do plants get crowded? Have your curious kid investigate how plants respond if they're forced to grow together in a confined space.

Science fair project that determines the correlation between the ability of selected materials to conduct heat and a material's density.

Is it a square or a circle? See if you can trick your friends with this zany science project!

Evaluate the ability of a biodegradable dish detergent to increase the penetration of water in hydrophobic soils.

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

What makes your shadow dance around all day? Let's play detective and find out why that sneaky shadow never stays in one place for long.

Examine the influence of the phase of the moon on moisture capillarity in garden soil. Measure and record the depth at which water is first detected.

Science fair project that determines whether moths are attracted to one color of light more than others.

Measure the effectiveness of detergent containing a UV-absorbing compound in blocking UV-A radiation. Use black light and UV detecting beads.

This science fair project will help learners determine whether algae can be made to grow by feeding it supplementary carbon dioxide.