The objective of this science fair project idea is to determine if sound travels best through the air, water or a solid.

Help your second grade scientist explore the timely topic of wind speed using a version of the classic Beaufort Scale.

In this fun science fair project idea learn the difference between additive and subtractive color and why they are handled differently.

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.

How fast does light travel in different mediums? Kids conduct a cool refraction experiment in materials like water and air for this science fair project.