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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 kindergarten scientist understand the concept of surface tension with this simple science experiment.

.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.

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

This experiment will explore how mallets of various materials and weight create sonic tones of varying lengths.

In this science fair experiment, students learn about the scientific principles behind Doppler ultrasound.

In this project students determine which instruments composers use to create birdsongs and birdcalls in classical music.

In this fun science fair project idea learn about universal solvents and solutes and find out the solubility of several common liquid substances.

This 4th of July, explore fourth grade science and make some safe fireworks in your own backyard using soda pop!

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

How do series and parallel circuits work, and which produces the brightest light in a light bulb? Construct both in this project and find out!

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

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.