Here's a fun at-home activity that will help your child strengthen math skills using high and low temperature data, and become a master temperature tracker!

.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.

Observe how your brain works while it is focused on one thing, and how it works while you are distracted by another thing.

What is the Doppler Effect, or the Doppler Shift? The purpose of this science fair project is to determine how distance impacts the Doppler Effect.

This easy aerodynamics activity is a simple way to introduce kids to the scientific method.

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

Future whistleblowers can learn about product safety standards with this exercise in writing and researching.

This science fair project idea demonstrates sonar mapping of the ocean floor.

Check out this fun science fair project idea to learn about seismic waves and how fast they travel during an earthquake.

The objective of this experiment is to identify common materials that absorb sound waves with the greatest efficiency.

How sensitive is your skin? Here's a fourth grade science experiment that lets your child figure it out.

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

This project determines what percentage of test subjects react adversely to the sound of fingernails on a chalkboard and explores their physiological responses.

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

This activity will help your child review science concepts, learn new ones, and become familiar with examples of various concepts in science. Plus, it's fun!

This science fair project idea investigates which objects float and sink in honey, water, and oil.

Get a cool and easy science fair project idea which helps high school students in understanding concepts behind the working of a microphone.

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

Students pit the heat capacity of water against the heat capacity of oil while looking at the effects of dipole rotation in this cool science fair project idea.

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

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

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

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

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

If your science savy third grader is up for a challenge, let her bend light with a casserole dish!

This balloon-powered car project is a great way for your kid to learn about energy and how it can be used efficiently.

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

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

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

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.