Curated Video
The Science of Sound: How Sound Waves Reach Your Brain
This video explains how sound waves travel through the air, solids, and liquids to reach our ears. It explores how vibrations create sound waves, which are collected by our ears and make our eardrums vibrate. Our brain recognizes these...
Curated Video
P-wave
A fast-moving seismic wave produced by an earthquake. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig Science Glossary Films reinforce abstract...
Curated Video
Resonance: How Sound Changes Across Different Mediums
Sounds can change as they move from one medium to another. Under the right circumstances the effect is surprising and extreme. Physics - Waves - Learning Points. Sound is a wave that is created by vibrating objects. Every object has a...
Curated Video
Factpack: Decibel Range
Move along the decibel range from silence to the loudest noise ever. Physics - Waves - Learning Points. A Twig FactPack Film. Open a discussion on what has been already learnt in a topic, or use to grab attention at the start of a...
Curated Video
What is Sound?
Sounds can vary greatly: extremely quiet or deafeningly loud, high and shrill to low and booming. Why are they so different? Physics - Waves - Learning Points. Sound is a vibration passed to and fro along particles forming a wave. It can...
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
Measuring Music
We use a sounding board called a sonometer to investigate how the pitch of sound changes when the length of wire being plucked changes. We change the position of a moveable bridge to change the length of the wire and discover that...
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
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...
Wonderscape
Understanding How We Perceive Sound
Delve into the fascinating process of hearing and how our ears transform sound waves into signals for our brains to interpret. Learn about the intricate anatomy of the ear and how it enables us to experience the richness of sound. Sound...
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
Curated Video
Pitch Shifting in Music: From Chipmunks to Kanye
Have you heard the conspiracy theory that Nicki Minaj songs are just Jay-Z pitched up? Well that may not be true, but changing the pitch of their songs can create a hilarious effect. LA Buckner and Nahre Sol explore the history of how...
Curated Video
Can You Hear Me Now?
Dr. Forrester explains how sound behaves through different mediums.
Curated Video
Introduction to Energy
Dr. Forrester explains how most of our energy is generated by the sun in one way or another.
Curated Video
GCSE Physics - Intro to Waves - Longitudinal and Transverse Waves #61
This video covers: - What waves are - How to label a wave. E.g. amplitude, wavelength, crest, trough and time period - How to calculate wave speed - The difference between transverse and longitudinal waves General info: - Suitable for...
Curated Video
GCSE Physics - Sound Waves and Hearing #73
This video covers: - How sound waves travel through materials - The idea that sound waves are longitudinal - How wavelength changes with speed - The structure of the human ear and how it works - How the range of human hearing changes...
Curated Video
GCSE Physics - Ultrasound #74
This video covers: - The idea that ultrasound is just sound with a frequency over 20,000 Hz - How we can generate ultrasound - How we use ultrasound to view foetuses in prenatal scanning - How we use ultrasound to check the quality of...
All Ears English
2059 - Should You Take a Ride on Someone's Coattails?
Has anyone ever helped you get a leg up in life? In today's episode, our listener asks us what the term ride someone's coattails mean. Plus, we touch on culture and society when it comes to becoming successful in your life and your career.
Curated Video
Amplitude, Frequency, and Wavelength
Amplitude, Frequency, and Wavelength describes amplitude, frequency, and wavelength to explain how they impact a wave's energy.
Curated Video
Characteristics of a Wave
Characteristics of a Wave explores the characteristics of a wave by defining the terms wave, amplitude, crest, trough, wavelength, and frequency.
Curated Video
Changes of Medium: Waves Crossing Boundaries
This video is a lecture on how waves change as they cross the boundary between different materials, also known as changes of medium. The video explains what a medium is and how it affects wave propagation. The video uses examples of...
ProTeachersVideo
KS3/4 Science: Demonstrating Chemistry: The Science of Fireworks
Matthew Tosh shows us the science behind firework displays which can't be performed in the classroom. In an explosive programme Matthew shows us his personal Top 10 demonstrations including flash powder mixes, Chinese firecrackers, gerbs...