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.

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.

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.

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?

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.

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.

This science project teaches students the relationship between compost and plant growth. Students conduct an experiment with different types of compost.

There are many benefits to bugs and insects. This science project shows how cockroaches, termites, and other critters benefit our planet.

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

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

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

This science fair project idea researches how your choice of clothing affect how hot or cool you feel during the day.

This science fair project idea investigates whether plants can survive being frozen.

In this science fair project, apply the principles of leverage and force by building six simple machines designed to set weights in motion.

The project investigates the affect music has on plant growth while experimenting with rock, classical and no music.

This science fair project idea investigates the ability of different whitening toothpastes to whiten teeth.

The goal of this science fair project is to analyze differences between the taste and texture of frozen and fresh food.