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.

This science fair project idea examines liquids of different densities.

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

This study evaluates if electronic devices commonly found in most households emit radiation, and if they do, how much?

The purpose of this study is to determine if people can tell the difference between organic and conventional food from looking at, smelling and tasting it.

What is biodiversity? Kids will study different areas of their backyards to see which is the most diverse to learn about biodiversity and random sampling.

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

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

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

Collect meteorite dust with a magnet in your very own backyard! The objective of this science fair project is to gather meteorite dust to study outer space.

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

This science fair project idea studies which brand of wintergreen candy produces the most sparks in the dark.

This science fair project idea studies which kind of rock (sedimentary, igneous, or metamorphic) is most damaged by frozen water.

This science fair project teaches you about what makes persimmons so tart and how astringency can be removed by studying the effect of tannins on fruit.

Is there a relationship between caffeine and heart rate? Students will determine the effect of caffeine on heart rate in this fun science fair project.

This experiment explores whether reading text on a computer screen or type on paper leads to better retention of the information read.

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

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

Teach kids about a fun way they can remember this more efficiently- the power of mnemonics. Kids will be amazed.

This project examines if computer screen and text color affect retention and if people subconsciously prefer combinations of colors that help their retention.

This science project idea examines the effect of microwaving on various objects.

This science project has students collect wood samples and invent new uses for different types of wood based on its properties.

What animals are most popular? This project affords practice in data-collection, record-keeping and data-analysis through the investigation of this question.

This science fair project teaches kids experimental design and how to test if subjects can really sense if they are being watched.

Science fair project that examines how yeast grows, and which conditions allow for optimal growth. What types of nutrients does yeast prefer?

This science fair project idea investigates how optical distances change the apparent size of an object as seen through a magnifying lens.

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

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

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

Soil is made up of different layers. How far down do you need to dig to find the soil horizon, or the place where bits of leaves and branches become soil?