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Noise surrounds us everywhere, but it can be harmful. Let's see how.
Author: Horváthné Kunstár Andrea
Reviewer: Tóth Katalin
noise, noise pollution, decibels, sound intensity, hearing loss, sound level meter, deaf, hard of hearing, noise protection, noise barrier, earplugs, silence, sound, hearing, ear, hearing threshold, headphones, earphones, measurement, airport, biology, human, hygiene, sensory organ, anthropology
This lesson helps you understand the process of hearing.
In this lesson you will learn about the basics of speech perception and language acquisition.
This lesson presents the development of human speech and the structure and functioning of the organs of speech.
Let's use musical instruments and our vocal cords as sources of sound.
Experience the relationship between pitch and frequency through measurements.
Let's make musical instruments.
This lesson is about the sound waves surrounding us.
In this lesson you will learn more about how sound propagates.