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.

The garden is the perfect place to practice math and science with preschoolers. Get digging (and counting, sorting, observing at the same time!)

Here's a math, science, and social studies activity: help your kindergartener become a "coin archaeologist" by examining how different coins look and feel.

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

Show your teen how to analyze the nutritional value of her favorite meals. She may be surprised to find out how healthy--or not--her favorite foods are!

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 Mother's Day, mix in some fifth grade science learning to create this fabulous fudge!

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?