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Examine the impact of insecticides on plant growth.

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

Will potatoes spud or sprout faster in dry, dark, or cold conditions? Find out in this science fair project idea!

Can you wink? Is your ability to wink genetic or simply based on chance? Find out in this science fair project idea!

Would you be able to tell the difference between colored contacts and natural eyes from a normal distance? Find out in this science fair project!

Learn about the greenhouse effect- and get great science fair experiment ideas. Read more.

Your child will be delighted to learn about and gaze upon his favorite constellations with this set of stellar homemade placemats!

Kids grow sunflower greens from seeds for a hands-on gardening experience in this kindergarten life science activity.

Teach your child how to make an all-natural, yellow-brown dye, using just walnut shells and water. This deep dye can be used on textiles, art, and wood.

In this science fair project, students investigate the applicability of Benford's Law to many sets of everyday data.

A simple science experiment exploring the physics of water pressure that's been amazing people since Medieval times.

This experiment explores the question of whether age and/or gender play a role in people's ability to remember dreams.

This project examines whether humans can intuitively grasp numeric values greater than three.

Free science fair project idea that examines the impact of gravity on a dropped carton of eggs. Design a device to protect the eggs from cracking.

Cookie catastrophe! In this project you will determine if different types of cookie sheets can cause cookies to bake differently.

This science fair project idea investigates if webbed feet help a duck (and others) swim.

This science fair project idea investigates how the shape of an object affects drag.

This science fair project idea investigates the relationship between memory and age.

The objective of this experiment is to evaluate which types of people are most impacted by the McCollough effect.

This experiment will explore whether fractals really repeat themselves infinitely.

Analytical chemists perform chromatography to separate colors into pigments. Test the food coloring used in M&M's and Skittles candy in this fun project!

Word color association is just a fancy way to talk about the way we connect colors with words.

Make sourdough bread...and learn some colonial history and modern science in the process!

In this windmill model science project, you will build a windmill to learn about wheel-and-axle machines and how these simple machines are used to do work.

This experiment will evaluate bacterial content on toothbrushes before and after different cleaning methods to determine which method of disinfecting is best.

Bake some cookies with an oven that collects sunlight and traps the shorter wavelengths (heat!).

This science fair project examines whether ocean water can be made safe to drink.

Develop your child's mathematical and engineering skills with this fun building brick challenge. In this activity, your learner will be challenged to create a boat out of building bricks.

Science fair project that determines the relationship between the temperature and the rate of cricket chirping. How many times do crickets chirp each minute?

Get your hands on a concoction that breaks the rules about what's a solid and what's a liquid.