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

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.

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.

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.

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

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 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.

Check out this fun and easy science fair project idea on germination of a seed and learn to identify exterior and interior parts of a bean seed.

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.

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

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

This science research project challenges students to think of more effective lobster farming methods.

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

This science fair project idea explores which fruit molds the fastest.

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.