This science fair project idea teaches about the size of two different systems: the solar system and an atomic system.

Demonstrate Newton's laws of motion by examining the relationship between mass, force, and acceleration during free-fall.

This science fair project investigates why the number of visible stars changes from place to place.

Learn about sound physics and do a survey experiment to explore the difference between sound and noise in this science project.

In this science experiment, your child will test the strength of hollow structures in order to understand how strong bird bones really are.

What causes dilated pupils? Young scientists will find out by applying what they already know about changes in pupil size and making models of the pupil.

Explore the wave-particle duality of light! Learn how light can behave as both a wave and a particle in this cool physics science fair project idea for kids.

The objective of this project is to evaluate whether a top will spin at different rates during different phases of the moon.

Do people only "hear" what they want to hear? Explore pareidolia and psychoacoustics with this easy science fair project that pits melody against white noise.

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.

This project examines whether playing music during class helps students learn or if it distracts students from learning.

Thoroughly research image search engines. Consider possible improvements for visual search engines. Help design better image-matching engines.

.Have you ever had problems with your wifi signal strength? In this experiment you will learn about how wireless signals pass through the air and solid objects.

The goal of this science fair project is to demonstrate magnetic forces of attraction and repulsion using a magnet and everyday objects.

This science fair project idea investigates how optical distances change the apparent size of an object as seen through a magnifying lens.

Science fair project that examines the different types of precipitation, evaluates the density of snow and calculates the ratio of snow-to-liquid.

Check out this fun science fair project idea to determine if the size of a particle affect the rate or speed of a chemical reaction.

Take advantage of the spring and summer sun in this arts and crafts activity that has your learner creating pretty flower prints.

Determine the maximum distance traveled by projectiles launched at an angle. Use some cool math to figure out at which angle your projectile will go farthest.

Discover the force of water! This article provides step-by-step instructions for creating your own science experiment.

Stir up some enthusiasm for experimentation with this candy-cracking science experiment!

This engaging project encourages young children to practice and refine the important scientific skills of sorting and classification.