This science fair project idea investigates the difference in reaction times between boys and girls.

This science fair project idea investigates the ability of different whitening toothpastes to whiten teeth.

The goal of this science fair project is to analyze differences between the taste and texture of frozen and fresh food.

This science fair project idea determines if family members can recognize one another using only the sense of smell.

In this fun project, use a memory game to test various age groups and determine whether aging directly affects short-term memory loss.

The objective of this science fair project idea is to determine if sound travels best through the air, water or a solid.

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

In this project, several food items are tested to determine whether they contain starch.

This science fair project idea examines liquids of different densities.

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

Find out whether a longer airplane will fly farther or a wider paper airplane.

In this project, a mnemonic is used to test how it increases memory.

This science fair project idea explores how the shape of a boat affects its density and how much weight it can float.

This science fair project idea determines the probability of a coin landing heads or tails.

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

This science fair project idea researches the effects of acid rain on plant growth.

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

What cause the phases of the moon? Make a model to see how the positions of the Sun, Moon, and Earth cause the crescent, gibbous, quarter, full, and new moon.

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.

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

This science fair project idea determines what household items are good conductors of electricity.

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 determines what household items are good conductors of electricity.

Kids will love making sugar crystals in this sugar crystal science fair project which teaches important chemistry concepts like saturation and solubility.

This science fair project focuses on a polymer called hydrogel super absorbent crystal which absorbs water, swelling to many times its original size.

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

In this science fair project, students will try to discover if test subjects can detect the presence of Monosodium Glutumate (MSG) in food.

In this microwave plant experiment, find out whether microwave radiation will affect radish seed germination. Will it help or hinder the plants' growth?

This science fair project focuses on the use of a conductivity device that will determine if a substance dissolved in water can or cannot conduct electricity.

This science fair project focuses on the use of the enzyme amylase found in human saliva to break down starch into sugar.