Showing Results for same and different

Find out the differences (if any) in the frequencies of voices produced from a computer, from a phone, and directly coming out of the voice box of a human.

Discover whether different amounts of water added into a wine glass will produce a different pitch when their fingers are rubbed along the rim.

This science fair project idea produces sounds by creating vibrations using different objects.

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.

This experiment investigates whether there are certain sounds that affect men and women differently

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

How does the size of a vibrating surface affect the pitch of a drum? Learn about drum size and pitch with this easy science fair project idea.

How does a kazoo, the strings of a guitar, or the speaker of a radio make sound? The purpose of this science fair project is to show how vibration makes sound.

Make stunning pendulum waves and learn the math behind the patterns generated with this cool and easy science project.

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.

This science fair project creates a visual model of whatâs happening to sound waves as a car approaches and then leaves.

In this sound experiment children listen for differences as they tap on a bag of air, a bag of water, and a wooden block held up to their ears.

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

In this physics project, learn about the relationship between light intensity and distance using a laser pointer, flashlight, and graph paper!

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

This awesome diffraction grating experiment puts high school students' applied math skills to the test by having them calculate the wavelength of laser light.

In this cool sound resonance experiment, learn about frequency and pitch, and use a tuning fork to calculate sound velocity in air.

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

This science fair project idea explores whether talking to a plant will help it grow.

This science fair project idea produces varying pitches of sound.

Science fair project that examines what causes thunder and why a thunderclap sounds so loud. How is lightening related to the creation of sound waves?

This science fair project examines how tsunamis travel by simulating a tsunami moving around an island. You will generate a pretend tsunami in a swimming pool.

This classic children's game demonstrates how sound travels through air vs. through a solid.

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.

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

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

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

The purpose of this science fair project is to build a basic radio.