SciShow
5 Ways Biology Is Transforming Buildings
Throughout history humans have come up with lots of different ways to build shelters for themselves. But sometimes, inspiration for better construction materials comes from nature, in structures you might not expect — like the scales on a
MinuteEarth
Why Do Birds Migrate Like This?
Migrating birds care more about the ease of their trip than the distance they travel, and that leads to some truly roundabout routes. ___________________________________________ To learn more, start your googling with these keywords:...
SciShow
How Do Thermal Imaging Goggles Work?
Movies like Predator reveal how useful thermal imaging goggles can be, but why do hot objects give off infrared radiation to begin with?
PBS
The Missing Mass Mystery
For years, astronomers have been unable to find up to half of the baryonic matter in the universe. We may just have solved this problem.
Curated Video
What is the Law of Conservation of Energy?
The law of conservation of energy tells us that energy is neither created or destroyed - just converted from one form to another. This means that we cannot make energy from nothing and energy does not just disappear. Energy, however, can...
Curated Video
Thermal
Relating to heat or temperature. 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 key...
Curated Video
Solid
The state of matter in which particles are packed tightly together in a rigid structure, with a defined shape. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual...
Curated Video
Energy
The capacity of a system or a body to do work. 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...
Curated Video
Heat
The transfer of thermal energy. 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 key...
Curated Video
Infrared: Snake Hunt
Humans are not able to see infrared radiation without specialised equipment, but certain snakes can detect infrared radiation. See how they use it to deadly advantage. Physics - Waves - Learning Points. The pit viper uses special sensors...
Curated Video
Red Hot: Emergency Stop
Revealed: the tremendous heat created and energy 'lost' when cars brake. Physics - Energy And Radioactivity - Learning Points. Car brakes convert kinetic energy into heat energy. When you press the car brake pad a system of levers and...
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
Heat Transport
Conduction, convection and radiation are all ways in which heat is transported. How does each work, and what are they useful for? Physics - Energy And Radioactivity - Learning Points. The three types of heat transport are conduction,...
Curated Video
Insulator
Material that conducts heat or electricity very poorly, and so can be used to provide some measure of protection. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual...
Curated Video
Expansion and conduction – Big reveal
What is it? ... It's a radiator! Material processes - Changing materials - Expansion and conduction A Twig Tidbit Film - Big Reveal. The image zooms out from an extreme close-up to full frame. The children have to guess what the image is.
Curated Video
Heat transfer – Did you know?
Did you know that wooden or plastic utensils are used when cooking food because they are insulators? Physical processes - Energy and energy transfer - Heat transfer Learning Points Metal is a thermal conductor. Wood and plastic are...
Curated Video
Solar Power - Renewable Energy
Learn about the up and coming form of energy – solar power! People and places - Future of energy - Renewable and non-renewable energy sources Learning Points Solar power is a renewable energy source. A Twig Context Film. Reinforce and...
Curated Video
Thermal conductors
Why does metal expand when it gets hot? Material processes - Changing materials - Expansion and conduction Learning Points Conductors are materials that allow energy to flow easily through them. Thermal conductors allow heat energy to...
Curated Video
Choosing suitable materials
If you were an alien who had just landed on Earth, what materials would you use to help you survive? Material processes - Classifying materials - Choosing suitable materials Learning Points The properties of a material determine how it...
Curated Video
Practical Uses of Bio-Climatic Architecture
The "25 Verde" building in Turin, Italy integrates bio-climatic architecture and advanced technological tools, such as a restored geothermal unit, to minimize energy consumption. This system efficiently provides hot water, heating, and...
Curated Video
GCSE Physics - Energy Stores, Transferring Energy & Work Done #1
In this video you'll learn: - The 'conservation of energy principle' - The different energy stores - How energy is transferred between stores - What we mean by 'work done' General info: - Suitable for all GCSE and IGCSE courses Exam...
Curated Video
Exploring Potential Energy
Dr. Forrester describes potential energy by examining such energies as gravitational, sound, and thermal. She also observes potential energy by conducting an experiment.
Learn French With Alexa
How to pronounce TH in French
Alexa teaches you how to pronounce "TH" in French.