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In this lesson you will learn more about how sound propagates.
Author: Tóth Katalin
sound, sound wave, silence, Sound source, sound propagation, air, vacuum, ultrasound, medium, ear, hearing, bell, ringtone, Pacific Ocean, dolphin, whale, bottlenose dolphin, blue whale, wavelength, perception, sensory organ, bell jar, experiment, physics, biology, technology
This lesson introduces some basic ideas about sound.
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.
This lesson helps to understand the Doppler effect.
This lesson presents the development of human speech and the structure and functioning of the organs of speech.
This lesson helps you understand the process of hearing.
Noise surrounds us everywhere, but it can be harmful. Let's see how.
Learn about the human sense organs and their functions and how to keep them healthy.