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.

Have your kid determine if a goldfish can be conditioned to expect food the same way Pavlov's dogs did with this fascinating science fair project.

This science fair project idea investigates if fats add to the flavor of food.

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.

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

This science fair project on testing water hardness is a great introduction to practical chemistry. Test and learn the difference between hard and soft water.

This science fair project teaches students the differences between fruits and vegetables.

Science fair project which will teach you more about the foods that you eat, and learn which ones are healthier choices.

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

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

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

This science project encourages students to investigate the Mozart Effect, the idea that classical music promotes learning.

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

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 whether boys and girls differ in reflexes.

The goal of this science fair project is to discover the science behind carbonated soft drinks and apply this knowledge to create a new one.

Young scientists will investigate people's preferences for saltiness, and make some inferences about genetics and diet.

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

Plants and light seem to be good buddies, but how far does the friendship really go?

Experiment about connection of senses of taste and smell. Using blindfold and noseplugs, administer blind taste test. Analyze results and organize data.

Does putting soapy water on plants help or hinder plant growth? Kids learn about greywater and how it affects plant growth in this cool science fair project.

This biodiversity project examines the biodiversity in your own backyard.

This fun science fair project idea helps students learn how acid rains are formed and explore how acid rain damages the environment.

Science fair project which determines if plants really do need water to grow, or whether they just need to be kept wet.

This science fair project idea compares biodiversity between drops of water.

Science fair project that determines whether landscaping fabric impacts the ability of plants to receive water.

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

Would your dog prefer homemade or store-bought food? Raw or cooked? Test your dog's preferred diet in this fun experiment.

Science fair project which determines whether people are more likely to follow rules if they are easy to understand.

In this plastic wrap science fair project, you'll learn about polymer permeability and find out which plastic wrap keeps food from dehydrating best.