Student Materials
Updated: 10. 06. 2008
Students find out why it's so important to wear earplugs at the track.
Sound
This module focuses on how earplugs work and the meaning of Noise Reduction Ratio via measurements of earplugs and sound intensity levels.
Look at the Sound episode of The Science of Speed video series for a video you can use in your classroom to introduce this topic.
Module Downloads
Modules
Sound Intensity Level Table (registration required)
Updated: 09. 03. 2008
Sound intensity levels for different situations and OSHA maximum exposure per day.
Teachers' Guide (registration required)
Updated: 10. 06. 2009
Background Materials
Race Gear: Sound Meters
Updated: 09. 03. 2008
An overview of how to put together the sound meter used in this module, along with a review of concepts like the dB.
Additional Resources
Look at the Sound episode of The Science of Speed video series for a video you can use in your classroom to introduce this topic.
