Curated Video
Hi-Fi Engineering
A demonstration of how hi-fi speakers use a clever combination of electronics and magnetism to convert electrical impulses into sound waves, which our brain then interprets as music. Physics - Electricity And Circuits - Learning Points....
Curated Video
Doppler Shift: Sound Discovery
How a unique but simple experiment in the 19th century gave a new insight into the behaviour of sound waves. Physics - Waves - Learning Points. The Doppler Effect is when the pitch of a sound seems to change as it moves past. The...
Curated Video
Rubens' Tube
We create a Rubens\u2019 Tube to demonstrate the movement of sound waves. A tube lined with holes is filled with propane and connected to a speaker. We light the gas coming from the holes and play different frequencies and volumes of...
Curated Video
Dancing Polymer
We create a polymer using cornflour and water called oobleck. Oobleck is a non-Newtonian liquid that behaves like a solid and a liquid. When placed on a speaker, the vibrations cause the polymer to constantly change its behaviour and it...
Curated Video
Bell in a Vacuum
We look at how a vacuum affects how sound travels. An alarm is set off and placed under a bell jar. The air is removed from the jar to create a vacuum. We can still see the hammer of the alarm clock moving, but cannot hear the sound....
Curated Video
Medical Marvels: Ultrasound
Born out of research into RADAR in World War Two, ultrasound has become one of the most important medical inventions. What is it, and how does it work? Biology - Being Human - Learning Points. Ultrasound was developed by Ian Donald in...
Curated Video
What Are Magnets?
What are the properties of magnets, and why are they useful to us? Physics - Electricity And Circuits - Learning Points. A permanent magnet is a piece of metal that possesses a magnetic field. The magnetic field is strongest at the...
Curated Video
How does sound travel?
Sounds travel in waves. The world around us - Light and sound - Sound Learning Points Sounds are made by tiny movements called vibrations. Sound energy travels in waves. These vibrations travel out from the sound source in all...
Curated Video
Tuning an orchestra
Find out how musicians tune their instruments. Physical processes - Sound - Changing pitch Learning Points Pitch depends on the frequency of sound waves – the number of waves per second. Low-pitched sounds have fewer waves per second...
Curated Video
Sonic Boom - Breaking the Sound Barrier
Fascinating insight into the sonic boom created when a jet plane breaks the sound barrier. Physical processes -Sound - Volume Learning Points The speed of sound in air is about 343 m/s. A sonic boom occurs when something moves faster...
Curated Video
Infrasound - Low-Pitch Sounds
Find out about infrasounds – sounds that are too low-pitched to be heard by humans. Physical processes -Sound - Changing pitch Learning Points Infrasounds are too low-pitched for humans to hear. Low-pitched sounds have fewer waves per...
Curated Video
Why is there no sound in space?
Find out why there is no sound in space. Physical processes -Sound - How does sound travel? Learning Points The vibrations of vocal cords produce sound waves. On Earth sound is transmitted through air molecules. The vacuum of space does...
Curated Video
How do sounds travel?
Find out that sound waves always need a medium to travel through. Physical processes - Sound - How does sound travel? Learning Points Sound waves are known as compression waves. Sound waves travel at different speeds depending on the...
Curated Video
Mapping the seas
Discover how techniques for mapping the seas have changed throughout history. People and places -Mapping - Mapping the seas Learning Points The technique of measuring the sea's depth using a weighted line is called depth sounding. Sonar...
Curated Video
Ondas Transversales y Longitudinales
Las ondas transfieren energía de un lugar a otro y pueden describirse en términos de frecuencia, longitud de onda y amplitud. Este video explica cómo las ondas se clasifican en transversales y longitudinales, dependiendo de cómo vibran...
Curated Video
ध्वनि तरंग प्रयोग | लहर की | भौतिक विज्ञान | FuseSchool Hindi
इस वीडियो में हम ध्वनि की गति को प्रभावित करने वाले कारकों पर चर्चा करेंगे। हम जानेंगे कि ध्वनि हवा में लगभग 340 मीटर प्रति सेकंड की गति से चलती है और यह गति तापमान और हवा के दबाव के अनुसार कैसे बदलती है। ठोस पदार्थों और तरल पदार्थों में...
Curated Video
पार्श्वीय और लंबकारी तरंगें | लहर की | भौतिक विज्ञान | FuseSchool Hindi
इस वीडियो में हम तरंगों के दो प्रमुख प्रकारों—अनुदैर्ध्य और अनुप्रस्थ तरंगों—का अध्ययन करेंगे। तरंगें ऊर्जा को एक स्थान से दूसरे स्थान तक ले जाती हैं। अनुदैर्ध्य तरंगों में कण उस दिशा में कंपन करते हैं जिसमें ऊर्जा यात्रा कर रही होती है,...
Curated Video
The Hearing Song: How Hearing Works - it’s CRAZY!
Are you curious about how hearing works? From the sound waves entering to the tympanic membrane vibrating, to the malleus, incus, and stapes doing their job, all the way to what happens in the cochlea and brain - this song captures it...
Curated Video
From Bats to Submarines: Sonar and Climate Change Solutions
Video 5 of the Echolocation Unit. This segment transitions from bats to human technology by explaining how sonar was developed as a form of echolocation to help ships, especially submarines, navigate in the dark depths of the ocean....
Wonderscape
Understanding Echolocation: How Animals Use Sound to See
Explore the fascinating phenomenon of echolocation, where animals such as bats and dolphins use sound waves to navigate their surroundings and perceive objects. Learn about the remarkable abilities of these creatures and the scientific...
Wonderscape
Exploring Characteristics of Sound Waves
Discover the characteristics of sound waves, including wavelength, frequency, and pitch. Learn about the Doppler effect and its impact on sound perception. Explore how acoustics influence building design and sound control. Sound part 3
Wonderscape
Exploring Types of Waves: Transverse and Longitudinal
Learn about the different types of waves, including transverse and longitudinal waves. Understand how these waves move through different mediums and their properties. Discover the speed of sound and how it varies depending on the medium....
Wonderscape
Exploring Sound: Understanding its Nature and Transmission
Dive into the world of sound and learn about its properties, production, and transmission. Discover how vibrations create sound waves and how they travel through different mediums. Sound part 1
Wonderscape
The Intelligence of Dolphins: A Deep Dive
This video explores the fascinating intelligence of dolphins, comparing their cognitive abilities with other intelligent animals. Discover how dolphins demonstrate problem-solving skills, social behavior, use of tools, and the remarkable...