This science fair project idea highlights decomposition rates by comparing how long it takes an item to decompose in a compost pile vs. a landfill.

This science fair project idea provides evidence that air is everywhere and takes up space.

Can a horse lead itself to the carrot? Train your horse with carrots and boxes and test horse memory in this fun zoology science fair project.

In this experiment, your child will create two compost bins and see if he can determine what attracts fruit flies.

What chromosome combinations determine a fetus gender? Use probability to think about whether a sperm and ovum will create a male or female in this project.

In this activity, students will be challenged to describe and count the ways a toy moves from one position on a grid to another.

Science fair project that develops latent fingerprints on a non-porous objects by converting superglue from a solid state to a gaseous state.

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

Science fair project which tests various sedimentary, igneous and metamorphic rocks to find out whether one rock family is stronger than the others.

Cinnamon is tasty, but does it have super powers as well? Find out if cinnamon can repel mosquitoes in this outdoorsy experiment.

In this fun science experiment, kids will determine the best method for ripening avocados and discover the cool chemical reaction that makes this possible.

The purpose of this science fair project is to explore whether UV light passes through some colors and not others by looking at blue, red, purple, and clear.

It's rhyme time! With this science fair project idea, your child will find out which words can be considered easy rhyming words, and why.

This science fair project idea explores whether it is easier to balance on a narrow ledge or on a rope.

What is a compound microscope? Kids find out by making one of their own in this cool science fair project.

Tree rings can tell the age of the tree but also information about the world. This science experiment uses tree stumps to discover new facts.

Study the life cycle of the common blowfly as it relates to forensic investigation. Record the first time you see flies, maggots, and eggs.

In this science fair project, kids measure how weather conditions affect how fast a puddle evaporates.

In this project children practice the scientific method while playing with puffy paint.

Here's a science activity to help your child investigate how seeds are designed to travel.

Science fair project that determines whether tapping a pomegranate with a spoon helps it release its seeds.

This science fair project idea determines if the size of the parachute will change the rate at which an object falls.

This science fair project idea explores how length affects the weight a bridge can hold.

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

Soil and energy don't go together, right? That would be as bizarre as a pairing of peanut butter and marshmallows! Well, actually...

This project determines what category of person is most likely to be ticklish.

The objective of this science fair project is to explore the relationship between acidic and basic compounds.

This science fair project idea explores plant growth from a bulb, root, and a stem and investigates asexual plant reproduction.