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.

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

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.

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

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

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

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.

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

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

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

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

Test whether plants can grow without sunlight and water.

What is elasticity? Students will investigate how this concept applies to bouncing ball physics by testing the bounces of balls made out of different materials.

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

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

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

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

This science experiment tests if dog saliva can really help heal wounds.

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

Learn about the layers of the Earth and make a model! Create a earth layer book, cake, or clay diagram.

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.

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

This experiment challenges students to forecast the weather based on the surrounding areas' weather.

Demonstrate how static electricity can cause an object to move. It also examines just how an object affected by static electricity will move.

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

Science fair project that examines how winter storms form and the relationship between temperature, moisture and snow.

What's the best way to make DIY compost? Kids will learn about aerobic and anaerobic decomposition while learning to appreciate the value of composting.