Curated Video
Earthly Treasures: Gold
Gold can be found in many forms and has been used as currency for centuries. But what properties does it have that make it so valuable? Earth Science - Geology - Learning Points. Gold occurs naturally in many distinct forms. Native gold...
Curated Video
The Elements: Silver
Learn about silver and why it is so valuable. Chemistry - Periodic Table - Learning Points. Silver is found in relatively small quantities on Earth. Silver is a good conductor. Silver ions have antibacterial properties. A Twig Context...
Curated Video
Electromagnetic induction
The generation of a voltage in a conductor when placed within a changing magnetic field. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig Science...
Curated Video
Carbon: Introduction
Carbon occurs naturally in four different forms. Discover how they differ and why? Chemistry - Atoms And Bonding - Learning Points. Carbon is present in all living organisms. Carbon in its elemental form appears as four distinct...
Curated Video
Rock Star Shock
The story of one young guitarist, who befell the dangers of electricity. Why is electricity dangerous to humans? And is it only voltage which can be deadly? Physics - Electricity And Circuits - Learning Points. An electrical current of...
Curated Video
What is Electricity? - Energy Movement
What is electricity? How is it created, and what makes it useful? Physics - Electricity And Circuits - Learning Points. Electricity is a flow of charge. The flow of moving electrons is known as the electric current. Voltage is the amount...
Curated Video
Static Electricity: The Hidden Dangers for Helicopters and Crew
A build up of static electricity is usually harmless, resulting in only small shocks. But in some cases it can be deadly. Discover the danger static electricity poses for helicopters and their crew. Physics - Electricity And Circuits -...
Curated Video
Transition Metals
Transition metals are the largest group in the periodic table. Find out what similarities they share, and how we make use of these metals. Chemistry - Periodic Table - Learning Points. Transition metals are found as a block in the middle...
Curated Video
Making an Electromagnet
We create a simple electromagnet by coiling wire around a nail and passing current through it. The magnetic field around the electromagnet creates similar patterns in iron fillings to a permanent magnet. Physics - Electricity And...
Curated Video
Diodes and Transistors
How these simple semiconductor devices allow us to control the strength and flow of electrical current in a circuit, and are integral components in modern electrical equipment. Physics - Electricity And Circuits - Learning Points....
Curated Video
How Do Generators Work?
Discover how simple magnets and wires can be used to create electricity - and how this principle is now used in national power supplies. Physics - Electricity And Circuits - Learning Points. In 1835 the scientist Michael Faraday made an...
Curated Video
Choosing suitable materials – Clip
Discover how lightning rods protect buildings when they are struck and why they are made of metal. Material processes - Classifying materials - Choosing suitable materials A Twig Tidbit Film - Clip. A short film that extends the learning...
Curated Video
Conductors and dangers of electricity – True or false
True or false ... Water can conduct electricity? Physical processes -Electricity and magnetism - Conductors and dangers of electricity Learning Points Water is a non-metal that can conduct electricity. A Twig Tidbit Film - True or False?...
Curated Video
Heat transfer – What happens next?
A Bunsen burner heats up the end of a metal rod ... what happens next? Physical processes -Energy and energy transfer - Heat transfer A Twig Tidbit Film - What happens next? A short section of film is played and the children have to...
Curated Video
Heat transfer – Odd one out
Four different materials are shown, but which is the only one that is not an insulator? Physical processes - Energy and energy transfer - Heat transfer A Twig Tidbit Film - Odd one out. The children have to work out which of four images...
Curated Video
Lightning - Static Electricity
Discover that lightning is a form of static energy. Physical processes -Electricity and magnetism - Conductors and dangers of electricity Learning Points Lightning is a type of static electricity. Static electricity is formed inside...
Curated Video
The dangers of electricity
Find out what happens to a farmer who becomes part of an electrical circuit. Physical processes - Electricity and magnetism - Conductors and dangers of electricity Learning Points People can conduct electricity. Conductors are materials...
Curated Video
Conductors and insulators
Find out what the difference is between a conductor and an insulator. Physical processes - Electricity and magnetism - Conductors and dangers of electricity Learning Points Conductors are materials that allow the flow of electricity....
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...
Flipping Physics
Motional emf via Faraday's Law
In today's episode, we explore an alternative derivation of the motional emf equation, revealing a fascinating perspective. Picture a conductor moving right on parallel metal rails connected by a wire in a uniform magnetic field. A force...
Flipping Physics
Motional emf via Newton's Second Law
Ever wondered how the motion of a conductor in a magnetic field generates voltage? We break it down with a real-world example of an airplane wing cruising through Earth's magnetic field. Don't worry; we keep it light and fun! Learn about...
Flipping Physics
Maxwell's Equations
In this next episode, Mr. P guides us through the culmination of electromagnetic knowledge – Maxwell's equations. After a quick recap of Gauss's law and its magnetic counterpart, the class dives into Faraday's law of induction, unveiling...
Curated Video
Precision in Motion: Mastering the Safety and Timeliness of French Trains and Planes
Explore the intricate systems that ensure the punctuality and safety of millions of daily train and plane passengers in France. This video takes you behind the scenes at major transportation hubs to uncover how cutting-edge technology...