# Tag - speed of sound

## Mach One

Chapter 26 Lab #72:

Students will use the concept of resonance to determine the speed of sound.

## 1000ml Polypropylene Cylinder

In Stock SKU: 06-3046
\$12.00

## Glass Tubing 1lb/pk

In Stock SKU: 74-1616
\$13.50

## Resonance Tube

In Stock SKU: PX-2085
\$2.95

## Tuning Fork Set of 3

In Stock SKU: PX-2087
\$27.00

SKU: PX-2092
\$3.00

## Resonance: Speed of Sound

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.

Required Equipment
Tuning Forks Set, 1000ml Graduated Cylinder, Resonance Tube, Meter Stick, Rubber Band

## Complete Set of Tuning Forks

In Stock SKU: P7-5000
\$79.00

## 1000ml Polypropylene Cylinder

In Stock SKU: 06-3046
\$12.00

## Resonance Tube

In Stock SKU: PX-2085
\$2.95

## Meter Stick 6 pack

In Stock SKU: P1-7072
\$18.00

## Speed of Sound in Air

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.

Required Equipment
Stopwatch, Trundle Wheel