Curated Video
Electrolysis: Discovery, Process, and Industrial Applications
Electrolysis is fundamental to industrial processes. How was it discovered, how does it work and what are its uses? Chemistry - Reactions - Learning Points. The Chemist Humphry Davy developed the reaction we now call electrolysis....
Curated Video
Citrus Fruit Battery
We use lemons and strips of zinc and copper to make a battery. First, strips of copper and zinc are added to one lemon and they are connected across a voltmeter. This is repeated, this time with more lemons and metal plates, until a...
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
Anode
An anode is the terminal from which electrons leave a system. 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...
Curated Video
Electrical circuits – Big reveal
What is it? ... It's a battery! Physical processes - Electricity and magnetism - Electrical circuits 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
Storing energy – Odd one out
Four different objects are shown, but which is the only one that does not store energy? Physical processes - Energy and energy transfer - Storing energy A Twig Tidbit Film - Odd one out. The children have to work out which of four images...
Curated Video
Electrical circuits – Spot the...
Six symbols are shown on screen, but only four are real circuit symbols ... can you spot them? Physical processes - Electricity and magnetism - Electrical circuits A Twig Tidbit Film - Spot the Difference. The children have to identify...
Curated Video
Natural and synthetic materials – Odd one out
Four objects are shown on screen, but which one is not biodegradable? People and places -Environmental awareness and care - Natural and synthetic materials Learning Points Natural materials are often biodegradable. A Twig Tidbit Film -...
Curated Video
Circuit symbols
Learn how to identify universal circuit symbols. Physical processes - Electricity and magnetism - Electrical circuits Learning Points Electrical circuits are drawn using universal circuit symbols. When drawing a circuit it is important...
Curated Video
Racing cars
Find out how energy can be wasted as heat when a racing car brakes. Physical processes -Energy and energy transfer - Energy transformation Learning Points Energy can be transformed into different types. Energy converted into a form that...
Flipping Physics
Energy Stored in an Inductor
We delve into the derivation of the equation for energy stored in the magnetic field generated within an inductor as charges move through it. Explore the basics of LR circuits, where we analyze a circuit comprising an inductor, resistor,...
Flipping Physics
Inductance
Ever wondered why current in a circuit doesn't change instantly? Join us as we explore the fascinating world of inductance using a basic circuit with a battery, a resistor, and a switch! 🤓🔧 In this engaging video, we break down the...
Wonderscape
The Later Years and Lasting Impact of Thomas Edison
Discover Thomas Edison’s later inventions, including the motion picture camera, the kinetograph, and the alkaline storage battery. Learn how he collaborated with William Dickson to revolutionize the way we experience film and how his...
Curated Video
Facing Loss and Accessibility Challenges
Jason and Alice experience a challenging day, from dealing with frustrations during a film shoot to navigating the streets with a low-charged scooter. Later, Alice suffers a miscarriage and has to go to the emergency room alone because...
Curated Video
General Motors' Volt Car
The video discusses the General Motors Volt, an extended range electric vehicle that is considered the US industry's first serious mass market green vehicle. It can be driven for around 65 kilometers on battery power alone, meeting the...
Curated Video
Exploring Eco-Friendly Car Options
With the pressure to reduce carbon emissions, small cars that leave less of a footprint are becoming increasingly important.
Curated Video
Batteries and Light Bulbs: Illuminating Our Daily Lives
Explore the transformative impact of batteries and light bulbs on modern living, tracing their origins, development, and how they have revolutionized everyday convenience. Discover the scientific principles behind these inventions, from...
Curated Video
The Evolution of Household Appliances and the Rise of Electric Mobility
Dive into the technological revolution that has transformed bulky household appliances into sleek, efficient devices and is paving the way for innovative electric transportation. From the powerful, lightweight vacuum cleaners of today to...
Curated Video
The Evolution of Smartphones: From Simple Calls to Advanced Multifunctionality
Explore the fascinating journey of smartphone development from bulky mobile devices to today's compact powerhouses. This video delves into how technological advancements have enabled smartphones to replace over 15 kg of everyday objects,...
Curated Video
Sun-Smart Innovations: Anti-UV Gear and Solar Power on the Go
Explore cutting-edge technology designed to enhance your summer experience safely and sustainably. This video showcases new anti-UV clothing that offers superior protection compared to traditional materials and a revolutionary...
Curated Video
CompTIA A+ Certification Core 2 (220-1102) - Power Management
Saving power is important, especially on mobile devices and laptops. Every CPU has a built-in feature to shut down different parts of a computer to reduce power needs. It's up to the techs to make sure the power management settings are...
Curated Video
CompTIA A+ Certification Core 1 (220-1101) - Troubleshooting Firmware
A system's BIOS is robust and rarely causes trouble, but when it does a good tech must be ready to troubleshoot. Understanding a few simple tricks can make troubleshooting easier. This clip is from the chapter "Book Chapter 5 - Firmware"...
Curated Video
CompTIA A+ Certification Core 1 (220-1101) - What Is a Mobile Device?
Mobile devices come in a variety of sealed forms and run mobile-specific operating systems. Devices include smartphones, tablets, wearables, e-readers, and more. OSes are Android, iOS, and a few others to a lesser extent. This episode...