This science fair project idea teaches that time always passes at the same rate and nothing we do in our daily life âreallyâ affects how fast it moves.

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

This engaging project encourages young children to practice and refine the important scientific skills of sorting and classification.

This science fair project idea measures the growth of bread dough and finds out how long it takes for the dough to stop rising.

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

Here's an easy experiment that lets your first grader practice the scientific method, while watching a caterpillar eat.

In this cool science fair project idea, kids conduct the ruler drop test on volunteers to determine whether reaction time can be improved with practice.

Create a homemade pair of sunglasses with colored lenses to see just how light and color affect our sight! Use this fun project to practice science!

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.

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

Examine whether distilled water, spring water, or regular tap water yield faster plant growth.

In this outdoor science activity you'll find tips on how to create a nature journal by choosing a native plant or animal and tracking that species.

Find out whether packaged seeds actually do expire in this new science fair project idea.

Wind is an important source of renewable, green energy. The purpose of this science fair project is to build and operate a windmill generator.

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.

Demonstrate how to tell the age of an egg without having to crack it open.

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

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.

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

This project explores whether plants can live and grow when "watered" with juice, soda, or milk.

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

Test whether plants can grow without sunlight and water.

Do plants get crowded? Have your curious kid investigate how plants respond if they're forced to grow together in a confined space.

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?

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

Explore scientific concepts with this experiment that introduces kids to the scientific method!

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

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

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

Have you ever seen fruit decay? Find out if a fruit will rot faster if you open it versus leaving it untouched!