Curated Video
Electromagnetic spectrum
The complete range of wavelengths, considered as a continuum, of all kinds of electromagnetic radiation. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions....
Curated Video
Cosmic rays
Highly charged particles, originating from outer space. 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
Radioactivity
The emission of particles as a result of the spontaneous decay of atomic nuclei. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig Science Glossary...
Curated Video
Telescopes
Telescopes have enabled us to truly see the wonders of the Universe. Who invented them and how have they developed throughout history? Physics - Universe - Learning Points. The first optical telescopes were made around 1608. Early...
Curated Video
Radioactive Substances
What is radioactivity? Explore the difference between alpha, beta and gamma radiation and how their different properties can make them useful. Physics - Energy And Radioactivity - Learning Points. Radioactivity is the nuclear decay of...
Curated Video
Waves in Medicine
The properties of high frequency electromagnetic radiation are incredibly important in the world of medicine, allowing physicians to look inside the human body and even combat cancer. Physics - Waves - Learning Points. X-rays and gamma...
Curated Video
The Electromagnetic Spectrum
The range of electromagnetic radiation in the electromagnetic spectrum is huge. Where does this radiation come from and how do the frequencies and wavelengths vary? Physics - Waves - Learning Points. Electromagnetic radiation is all...
Curated Video
What Makes Up the Electromagnetic Spectrum?
From radio waves to gamma rays, the electromagnetic spectrum is useful in different ways. How does this radiation differ and how can they be used? Physics - Waves - Learning Points. Electromagnetic radiation exists along a continuous...
Curated Video
Mars: The Search for Water
We know that Mars once had a landscape with oceans and rivers, but what happened to it? Physics - Universe - Learning Points. Although Mars is a freezing dry world today, it is thought the planet was once like Earth. If liquid water once...
Curated Video
Gamma ray bursts
The brightest events in the Universe since the Big Bang; extremely powerful flashes of gamma rays that are believed to originate in massive supernova events. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds...
Curated Video
X-ray
Electromagnetic radiation present between ultraviolet and gamma rays on the electromagnetic spectrum, with wavelengths from about 0.01 to 10 nanometres. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using...
Curated Video
Radioactivity and Nuclear Energy: The Three Types of Nuclear Radiation
By the end of this learning object, the student will be able to: Recognize the three types of nuclear radiation.
Curated Video
Exploring Gamma Ray Bursts
During the 1950s nuclear trepidation was reaching extreme levels. In an attempt to limit the arms race the super powers signed a test ban treaty that came into effect in 1963. To make certain that there were no violations; America...
FuseSchool
Medical Imaging
If only we were all given a window so a doctor could look inside us when we were ill.Think of the operations that would save! Luckily there are now many ways we can see what is happening deep inside our bodies by using electromagnetic...
Curated Video
GCSE Physics - Electromagnetic Waves #64
In this video we cover the following: - The 7 different types, and order, of the waves in the electromagnetic spectrum - The phrase ROYGBIV to help you remember the order of colours in the visible light spectrum - The inverse...
Curated Video
GCSE Physics - X-Rays and Gamma Rays #68
This video covers: - How x-ray machines work - How gamma rays are used to sterilise food and medical equipment - The pro's and con's of using radiation Exam board specific info: AQA - Everything is relevant to your course! IGCSE Edexcel...
Curated Video
GCSE Physics - Using Radiation in Medicine #37
This video covers: - Why radiation is harmful - How ionising radiation can cause cancer - How radiotherapy can use gamma rays or beta radiation to treat cancer - How medical tracers work General info: - Suitable for all GCSE and IGCSE...
Curated Video
GCSE Physics - Radioactive Decay and Half Life #35
This video covers: - How radioactive decay works - What activity means - The two definitions of half-life - How to show radioactive decay on a graph - How we can find the count rate with a Geiger–Müller tube - Example calculation for...
Curated Video
GCSE Physics - Alpha, Beta and Gamma Radiation #33
This video covers: - The idea that radioactive materials contain unstable isotopes - What alpha, beta, gamma and neutron radiation is - How ionising and penetrating they are General info: - Suitable for all GCSE and IGCSE courses -...
Curated Video
The Electromagnetic Radiation Spectrum
This video will explain the electromagnetic radiation spectrum, what it is, and how it can be used to observe space objects.
Curated Video
Production of Electromagnetic Waves from Atoms and Nuclei
The video discusses the production of electromagnetic waves from atoms and nuclei. It covers different examples of producing radio waves, microwaves, x-rays, gamma rays, infrared radiation, visible light, and ultraviolet light. The video...
Physics Girl
What happens when black holes collide? | EXPERT ANSWERS PHYSICS GIRL QUESTIONS
What happens when black holes collide? What is the speed of gravity? There are so many weird questions related to gravitational waves.
Curated Video
Hazards of Electromagnetic Radiation: Health Risks and Exposure
This lecture video discusses the health risks associated with exposure to electromagnetic waves on the electromagnetic spectrum. The video covers different types of electromagnetic radiation, from microwaves to X-rays and gamma rays, and...
NASA
Houston We Have a Podcast: Hazard 1: Radiation
Dr. Zarana Patel, a portfolio lead scientist at NASA's Johnson Space Center, is responsible for management and scientific oversight of degenerative tissue risk of space radiation. This is part one of a five-part series on the hazards of...