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The speed of sound varies depending on the temperature, pressure, and density of the medium through which the sound waves travel. For dry air at sea level at 68° F, the speed of sound is 767 miles per hour, or 1235 km/h

## Speed of sound - Wikipedia

en.wikipedia.org/wiki/Speed_of_sound

... when making high-precision measurements. ... probable value of the standard speed of sound to date.

## How to measure the speed of sound with two lumps of wood ...

www.instructables.com/id/How-to-measure-the-speed-of-sound-with-two-lumps-o/

Speed is how far something travels in a known time speed = distance / time. In everyday life, speed is generally measured in either miles per hour (or kilometres  ...

## How to Measure Sound Travel in the Air | HowStuffWorks

science.howstuffworks.com/how-to-measure-sound-travel-air.htm

Here is a simple way to measure the speed at which sound travels through air. You'll need the following items: Two blocks of wood, or other items that make a ...

## BBC Bitesize - KS3 Physics - Sound waves - Revision 3

www.bbc.co.uk/education/guides/z8d2mp3/revision/3

Speed of sound. Although sound travels quite fast, it is still possible to measure its speed in air. To do this, you need to measure the time it takes a sound to ...

## How to measure the speed of sound - io9

io9.com/5594351/how-to-measure-the-speed-of-sound

Jul 23, 2010 ... There's a simple way to measure the speed of sound. It's low tech and unimpressive, but you get to blast an air horn. How many times can you ...

Jun 3, 2012 ... Using Audacity software, a click, a tube and a simple formula to calculate the speed of sound.

## The Speed of Sound - The Physics Classroom

www.physicsclassroom.com/class/sound/Lesson-2/The-Speed-of-Sound

The speed of a sound wave in air depends upon the properties of the air, mostly the ... A measurement of this time would allow a person to estimate the one-way ...

## Measuring the speed of sound using echoes - Practical Physics

practicalphysics.org/measuring-speed-sound-using-echoes.html

Class practical Echoes are used outdoors to estimate the speed of sound. Good weather has to be ordered at the same time as the equipment! Apparatus and ...