Learn to solve a crime scene investigation using an important forensics tool: oblique lighting.

Using an empty tennis ball can and a swimming pool, you will determine if it's possible to have a conversation under water.

Help your child understand surface tension by showing them how they can create a "skin" on top of water.

This project examines Newton's First and Second Laws of Motion with a bicycle and water balloons.

This science fair project demonstrates the principles of reflection through simple experiments involving mirrors and light.

Here's a classic celery science experiment that uses celery and food coloring to demonstrate how plants absorb water.

Determine the relationship between the speed of a sound and the temperature of the air it passes through.

Take advantage of the fact that ink and water don't mix and introduce your kid to suminagashi, a Japanese form of art.

Look for a correlation between temperature and the intensity of cricket chirping. Measure ambient temperature and sound intensity in decibels.

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

The goal of this science fair project is to evaluate the effect of heat on sound wave frequency.