Science ABC
AM vs FM Radio: Which Modulation Rocks Your Ears?
Amplitude Modulation, commonly abbreviated as AM, is a common method of broadcasting radio signals. This method dates back to the 1870s, i.e., the time when we first discovered that information in the form of audio production can be...
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Shockwaves: Sudden Pressure Waves
A large amplitude compression wave, associated with a sharp change in pressure, temperature and density. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions....
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Amplitude
In the study of waves, amplitude is the maximum displacement of a wave from its rest position. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig...
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Volume
The amount of space a substance occupies. 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 concepts and...
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Interference
The effect that happens when two waves travelling through the same space meet. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig Science Glossary...
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Analogue
An analogue signal is one in which any variation in amplitude or frequency is continuous. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig Science...
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What is Light? - Light Energy
We can see our surroundings because of light energy. Whether light waves are being emitting from a source or being reflected, this form of energy is vital to life on Earth. Physics - Waves - Learning Points. Light is an energy that...
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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...
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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...
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What Do Sine Waves Sound Like?
Hear sine waves as sound, and discover the equations that describe them: and the effect of increasing or decreasing the variables of amplitude and frequency. Maths - Shape A Twig Math Film. Reinforce and extend the learning required by...
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Modulation
A term used in physics and electronics, modulation means changing some aspect of a periodic phenomenon, generally the frequency, amplitude, or phase of a waveform. A Twig Science Glossary Film. Key scientific terms defined in just 60...
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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...
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Sound is energy
Understand that sound is a form of energy created by vibrations. Physical processes - Sound - What is sound? Learning Points Sound is a form of energy. Sound travels in waves away from the source. Sound waves travel in all directions....
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Howler monkeys
Meet the howler monkey – the loudest animal on land. Physical processes - Sound - Volume Learning Points Volume is a measure of the loudness of a sound. High-energy sounds are loud. Low-energy sounds are quiet. The larger the vibrations,...
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Tides Unveiled: A Journey to Understanding Ocean Movements
Explore the fascinating world of tides with a primary school class at Mont-Saint-Michel, where Europe's highest tides occur. Discover how the gravitational forces of the moon and sun orchestrate the ocean's dramatic rise and fall, and...
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How Do Carrier Pigeons Know Where to Go?
Carrier pigeons have an innate ability known as magnetoreception, which enables them to detect and orient themselves based on magnetic fields. Humans lack this ability, but many bird species have the skill to varying degrees. Rock...
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AM vs FM Radio: Which Modulation Rocks Your Ears?
Amplitude Modulation, commonly abbreviated as AM, is a common method of broadcasting radio signals. This method dates back to the 1870s, i.e., the time when we first discovered that information in the form of audio production can be...
Curated Video
Shake Things Up
Dr. Forrester demystifies earthquakes. She explains how they are created.
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I WONDER - What Is The Crest Of A Wave?
This video is answering the question of what is the crest of a wave.
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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...
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Wave Behavior
Wave Behavior investigates energy waves by defining and exploring examples of absorption, reflection, refraction, diffraction, scattering, and experiencing interference.
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Amplitude, Frequency, and Wavelength
Amplitude, Frequency, and Wavelength describes amplitude, frequency, and wavelength to explain how they impact a wave's energy.
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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.
Science Buddies
How to Use a Microphone with Arduino
Learn how to use a microphone with the Arduino's analog input so you can make projects that react to sound! See the Science Buddies website for cool science projects you can do with an Arduino:...