This simple project makes young children aware of their sense of smell and its capacity for providing them with information about their world.

In this popcorn experiment, students can explore how two things made out of the same material can have very different appearances and densities.

This experiment will investigate whether reward or punishment is more apt to motivate people.

Play with balance and simple engineering as you hurry to create a sturdy rock tower.

Discover whether cheap saline solution bottle cleans and disinfects just as well as more expensive kinds formulated with different ingredients.

Free science fair project idea that examines cheating in school-age children. Project involves a task in which children are tested on various tasks.

This experiment strives to determine if tracking of conservation habits will lead to reductions in a family's electricity and water bills.

Find out whether soil amendments can improve soil conditions and help you grow a bigger beanstalk in this ecology experiment!

Learn about endothermic and exothermic reactions and energy exchange by experimenting with temperature change in chemical reactions.

Check out this cool science project idea to explore how temperature creates annual rhythms that govern plant growth.

Study the impact of environment on seed germination among three materials: soil, paper towel, and cloth. Note when seeds germinate and how well they germinate

The objective of this science fair project idea is to examine light refraction as it passes through liquid crystals.

Future engineers, unite! Discover how to keep a sandcastleâs bridge from falling into the moat.

This light bulb science project includes step-by-step instructions for testing the heat from different light bulbs.

Explore the role of starches as thickening agents in food, and learn about the chemical properties of starch in the process.

The goal of this science fair project is to demonstrate different ways to generate static electricity and record its effects.

This science fair project studies which color(s) of flowers butterflies & bees are attracted to and if color plays a role in flower selection for pollination.

This middle school project examines the strength of horizontal versus vertical pointing eggshells.

Want to see a great example of Newton's first law? Kids will learn about basic physics with this fun, ballistic experiment.

Learn how acid-base catalysis affects enzymes and enzymatic reactions in this science project.

In this physics project, you'll learn how to find the maximum height of a projectile using some math and trigonometry.

This conservation of energy demonstration shows why the first hill is the highest on a roller coaster. Learn more about potential and kinetic energy!

What do worms eat? Kids find out what kinds of rotting leaves and vegetables worms prefer in this cool compost science fair project.

Investigate the kinds of memories we tend to store and the emotions we store with them. Determine if memories have a strong emotional component.

Discover flight initiation distance as you play around in the park with this fun bird watching project!

The objective of this science fair project is to determine whether there are gender differences when boys and girls view optical illusions.

Here is a cool and easy science project to determine the rate of chlorophyll breaks down and how it affects the color change of grass from green to yellow.

This science project challenges students to learn about and classify weeds and discover new practical uses for weeds.

This science fair project idea explores whether the color of surroundings affects human mood.

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