Veritasium
Why the Future of Cars is Electric
In this video, we explore the future of electric cars. While electric vehicles (EVs) date back to 1832, they became overshadowed by gasoline-powered cars due to range and cost issues. However, recent advancements in battery technology,...
Science ABC
How Long Can a Submarine Stay Underwater?
A submarine needs to come to the surface once every few days (or even more frequently than that), not only to obtain a fresh supply of atmospheric oxygen from above the waters surface but also to dispose of the waste gases it produces...
Science ABC
Does Discharging Battery Completely Before Recharging It Again Improves Battery Life?
It may seem counterintuitive, but draining the battery to 0 to 1% before recharging it again, is not a good practice. One simple hack to improve your battery life (for Li-ion batteries) is to use the 80:20 rule. Charge your battery to...
Curated Video
Direct current (DC)
An electric current in which the flow of electric charge is consistently in one direction. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig Science...
Curated Video
The Elements: Mercury
Mercury is an elusive and toxic element. Chemistry - Periodic Table - Learning Points. Mercury is a rare element. Mercury is a liquid at room temperature. Mercury is highly toxic. Mercury is used in thermometers and batteries. A Twig...
Curated Video
Eco-Transport
The transport industry is one of the leading polluters in the world today. What technologies are being developed to create cleaner transportation and what are their advantages and disadvantages? Earth Science - Earth's Resources -...
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
Storing energy – Jigsaw
What is it? ... These are rechargeable batteries! Physical processes - Energy and energy transfer - Storing energy A Twig Tidbit Film - Jigsaw. An image is slowly revealed as pieces of the jigsaw are removed. The children have to...
Curated Video
The future of energy – Did you know?
Did you know that solar power can be used to fly a plane? People and places - Future of energy - The future of energy Learning Points Solar power from photovoltaic panels can be used to fly planes. A Twig Tidbit Film - Did you know? A...
Curated Video
Electrical circuits – True or false
True or false ... A toy can run forever on one set of batteries? Physical processes -Electricity and magnetism - Electrical circuits Learning Points Batteries contain a limited amount of energy. A Twig Tidbit Film - True or False? The...
Curated Video
Electricity – Odd one out
Four electrical devices are shown, but which is the odd one out? Physical processes - Electricity and magnetism - Electricity A Twig Tidbit Film - Odd one out. The children have to work out which of four images is the odd one out.
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
What is Electricity? - Power Basics
Explore in simple terms what electricity is, how it is created and how it travels to our homes. Physical processes - Electricity and magnetism - Electricity Learning Points Electricity is a form of energy. Electricity is the flow of...
Curated Video
Wind-up radio
Discover what powers a wind-up radio. Physical processes -Energy and energy transfer - Storing energy Learning Points Batteries produce chemical energy. Wind-up radios store potential energy. Kinetic energy can be transformed into...
Wonderscape
Cobalt Supply Chain Challenges and the Push for Ethical Mining
Uncover the complex cobalt supply chain in the Democratic Republic of the Congo (DRC) and the global demand driving it. Learn about the role of major companies like Apple and Tesla, the challenges of tracing cobalt origins, and efforts...
Wonderscape
Alexander Graham Bell’s Other Inventions and Contributions
This video highlights Alexander Graham Bell's achievements beyond the telephone, including his efforts to develop a bullet detection device to help save President James Garfield and his role in transforming National Geographic into a...
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
The Electric Current and Cells: Cells in a Parallel Circuit
By the end of this learning object, the student will be able to: Explore how to measure cells connected in parallel.
Curated Video
How Long Can a Submarine Stay Underwater?
A submarine needs to come to the surface once every few days (or even more frequently than that), not only to obtain a fresh supply of atmospheric oxygen from above the water’s surface but also to dispose of the waste gases it produces...
Wonderscape
The Anthropocene Epoch: Humanity's Impact on Earth
Explore the Anthropocene Epoch, a proposed geological epoch highlighting the significant impact humans have had on Earth's ecosystems and climate. From vast landfills in Kenya to lithium mines in Chile's Atacama Desert, and the warming...
Curated Video
Solar Powered Boat: a Sustainable Solution for River Cruising
Cruising in a boat down the magnificent Anal du Midi in South Western France is a past-time that's been taking place for hundreds of years. Unfortunately modern boats with their diesel motors have been polluting this beautiful waterway...
Curated Video
Living Green - Episode 173 - Eco Bus
In Mexico City, Mexican and American ecologists showcased their eco bus during their green-awareness tour from California to Costa Rica. The 1970 s former school bus and its passengers are on a mission to promote ecological awareness and...
Curated Video
Living Green - Episode 105 - Recycling Batteries
Every year in the UK, up to 300 million batteries are disposed of into landfill sites. A new scheme has been created in response to the 2008 European directive to make battery recycling obligatory. This new nationwide recycling scheme is...
Curated Video
Students Set Record with Battery-Powered Aircraft
In July 2006 a group of students from the Tokyo Institute of Technology had assembled to set an unusual record. They had built an unusual aircraft that weighed just 54 kilograms but with a wingspan of 31 metres it was very fragile. The...