This free science fair project explores the "dirty" relationship between the presence of organic material in soil and water absorbency.

This project examines whether corked bats truly make a ball travel farther than wooden bats that haven't been altered.

The purpose of this science project is to determine which chemical best lowers the temperature of water in a cold pack and if the amount affects its use.

This science fair project idea raises awareness of a real ecological issue.

Explore the belief in astrology as a predictive system.

This science fair project idea examines whether boys and girls differ in reflexes.

Learn about the field of psychophysics and to learn about "Just Noticeable Differences."

Determine which kind of rock (igneous, sedimentary, metamorphic) has the greatest reservoir capacity, which is the ability to hold the most oil and natural gas.

Check out this fun science fair project idea to explore fun facts about fruit juices and learn why do juices turn bad in the fridge.

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

The objective of this science fair project idea is to examine light refraction as it passes through liquid crystals.

Check out this cool science fair project idea to explore non-chemical means of preserving fruits by using thermotherapy.

In this fun science fair project idea, kids will experiment with various methods in order to discover the fastest way to cool a soda.

Little scientists will make inferences about hearing loss, pitch, and frequency in this great science fair idea that puts the human ear to the test.

Study the impact of environment on seed germination among three materials: soil, paper towel, and cloth. Note when seeds germinate and how well they germinate

Determine if picking up fallen food in 5 seconds or less prevents the transfer of bacteria from the ground.

Science fair project that examines the relationship between fluid flow rate, pressure, and resistance.

Learn about endothermic and exothermic reactions and energy exchange by experimenting with temperature change in chemical reactions.

A fun, life science sxperiment idea idea involving strategies for keeping birds away from crops using a distress call. What kind of distress call works best?

Learn about the factors that influence group conformity.

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

This science project uses Mohsâ Hardness Test to show kids how to compare the hardness of different types of minerals.

Check out this fun science fair project idea to determine if the size of a particle affect the rate or speed of a chemical reaction.

Science fair project that helps you create your own compost pile in order to test the efficiency of different methods of composting.

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

The objective of this science fair project is to determine whether drawing with the right side or the left side of your brain will produce a better picture.

The goal of this science fair project is to determine which cheese grows mold the fastest: Vermont Cheddar, American, Brie, or Camembert?

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

Science fair project which uses coins flips to visually demonstrate the probability of an event and how to express it.

Science fair project that examines how winter storms form and the relationship between temperature, moisture and snow.