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

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

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

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

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.

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

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

Ever wondered how a plant drinks water? This science project will teach you how and help you create a beautiful floral display!

How well can people recall what they have observed. Test your knowledge in this fun experiment.

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 fair project idea investigates whether plants can survive being frozen.

This project is a vivid, concrete introduction to the basic but important idea that plants need sunlight and water to grow.

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

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.

Determine whether butterflies like to drink sugar water, salt water, or plain water.

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

In this project, the affects of vitamin E are observed on a rose petal.

In this project, vinegar and salt act as preservatives keeping bacteria from growing in the bouillon mixtures.

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

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

The objective of this science project is to determine the length of time for different seeds to germinate.

The objective of this science fair project is to set up a compost bin to convert food scraps and organic waste.

This science fair project idea is develops new or improved paper making techniques and encourages recycling.

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

Test whether plants can grow without sunlight and water.

Water, along with soil and light, is a necessary component for plant growth. So what's better for promoting plant growth: tap water, or rain water?

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

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