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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!

In this science fair project, young children discover what happens when two fluids that have different densities get together.

Is it solid or liquid? Create oobleck and witness the amazingly weird oscillation between the two!

Teach your little scientist about the amazing powers of gravity by comparing the falling speeds of two yummy fruits

Show your fifth grade scientist how to create a siphon using two buckets, plastic tubing, and water. Watch her astonishment as the water travels uphill!

This classic children's game-connecting two cups with a string-demonstrates sound's ability to travel through air vs through a solid.

In this Halloween-themed activity, young learners will find out what happens when they mix two household items together to create a surprising chemical reaction.

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

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

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.

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

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

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

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

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

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

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

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

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

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.

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

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

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

Believe it or not, the common spud has enough electrochemical energy to power a small digital clock.

Show your child that the simplest ingredients (salt and water) can be used to illustrate the concept of density!

.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.

How powerful is the reaction between baking soda and vinegar? Find out here!

Inspire your child to put on her engineer hat for the day, as she builds her very own, double-decker bridge.