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# Sound

Arbor Scientific is providing physics and physical science teachers with a collection of student lab activities for the study of Sound. Here you can browse lab activities by title and get teachers notes, student worksheets and a list of equipment and supplies needed for each activity.

• ## Wind Instruments Inquiry

Posted on January1,2011 by Dr. Russell Harkay

Students will use three simple toy instruments to explore fundamentals of sound and frequency in this inquiry exercise. Boomwhackers: Students will share a number of colored plastic tubes of various lengths.

This post was posted in Labs, Sound and was tagged with wind instruments, sound, frequency, wavelengths

• ## Doppler Effect

Posted on January1,2011 by Arbor Scientific

The Doppler Effect occurs when an observer hears a sound from a moving source. If the sound source is moving toward the observer, the perceived frequency will be higher than the actual sound frequency. If the source is moving away from the observer, the perceived frequency will be lower.

This post was posted in Labs, Sound and was tagged with sound, frequency, doppler effect, perceived frequency, lab 89

• ## Resonance: Speed of Sound

Posted on January1,2011 by Arbor Scientific

Resonance occurs when an object is made to vibrate at its natural frequency, and the vibrations reinforce themselves, becoming larger. In the case of sound, the object can be a column (or other vessel) of air, and the larger vibrations are observed as a louder sound. In this lab, students will use a tuning fork to find the resonance point of a column of air. Then they will use a simple formula to find the speed of sound.

This post was posted in Labs, Sound and was tagged with frequency, resonance, speed of sound, vibrations, tuning forks, lab 93

• ## Speed of Sound in Air

Posted on January1,2011 by Arbor Scientific

In this lab students will measure the amount of time for a series of echoes, and calculate the time for one echo. They will then experimentally determine the speed of sound in air. An extension activity asks students to compare the speed of sound in air to that in concrete or another solid material.

This post was posted in Labs, Sound and was tagged with speed of sound, echo, air, lab 61

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