What do ants eat? Kids find out by observing a colony of ants in this cool zoology science fair project for 4th grade.

What heats up fasterâwater or soil? 5th grade students test the specific heat of water against the specific heat of sand in this great science fair project.

This science fair project idea measures the growth of bread dough and finds out how long it takes for the dough to stop rising.

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

This science fair project idea discovers if an artificial light source will yield the same plant health and growth rates as light from the sun.

How do organic materials become soil? This science experiment measures what materials biodegrade.

This science fair project idea determines the most effective method of preserving food.

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

Find out whether packaged seeds actually do expire in this new science fair project idea.

This science fair project idea examines whether the colors of the spectrum respond differently in the thermal aspect when radiated by the sun.

Check out this fun and easy science fair project idea on germination of a seed and learn to identify exterior and interior parts of a bean seed.

This science project allows students to study the psychology of happiness.

This science fair project idea determines if the color of light affects the growth of plants.

Demonstrate how to tell the age of an egg without having to crack it open.

Science fair project in which you will attempt to throw a ball the greatest horizontal distance possible by using different angles.

Watch pre-packaged seeds and seeds taken from inside fruits and vegetables grow. Which ones will grow faster? Read more in this science fair project idea.

Do lefties just write different or are their brains different? This science project has students explore what it means to be left handed.

This fun science project helps to investigate how much water can a plant take up and release in a certain period of time through the process of transpiration.

This science project has students study a group of volunteer liars actively lying to study the behavior of a lie. Students see if they can figure out the truth.

The objective of this science fair project is to study the photosynthesis process and demonstrate the important role that leaves play in the process.

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

The purpose of this science fair project is to study the properties of sugar and examine individual preferences for sugar and other sweeteners.

This science project challenges students to study deer behavior in their natural habitat- the feeding patterns, social behaviors, male to female ratio, etc.

These science fair experiments demonstrate the chemistry of rust and the oxidation process.

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

Check out this cool science fair project idea to explore which other common animals besides scorpions glow under a UV Black light.

Learn about the effect of artificial light on plant growth versus natural sunlight and delve into some biology and botany concepts in this science project.

Demonstrate how static electricity can cause an object to move. It also examines just how an object affected by static electricity will move.

In this science fair project, kids start a chemical reaction that will make a balloon inflate itself!

Does skin thickness really decrease fruit spoilage? Find out in this science fair project idea!