Sally’s field trip to the Garden of Babylon is turning into a road trip. Her first stop is the post office. It’s not every day that a stork delivers your mail! This lesson will continue unearthing the structure of plant cells, focusing...

Seeking excitement, Sally embarks on a self-guided ghost tour of Zoo York’s ‘abandoned tunnels’. Will she spot anything spooky? This lesson will finalise our crash course on the structure of animal cells, focusing on components...

Learn the basics about Calculating masses in reactions. What happens to the density of the mass when we include reactions? What reactions changes the mass? How do you measure it? Find out more in this video!

In this video, the process of transmitting electrical energy from a power station to the consumer is explained. Different types of potential difference are also discussed, including direct current (DC) and alternating current (AC). The...

MOT 1936: CREATING ELECTRICITY: Dam water flowing near industrial buildings flatbed railcar moving mined material. INT Power Plant or Dam control room w/ guages. switches. Male closing circuit switch. HA Room w/ many turbine generators...

Lieutenant General Sir William Rollo was deployed as General Officer Commanding Multi-National Division (South East), Iraq in July 2004 and became Assistant Chief of the General Staff in January 2005. In July 2007 he was deployed again -...

Why are transformers used, what do we use transformers for? we answer these questions in this video on transformers in electrical engineering

River Jordan, hydroelectric power plant, men erecting power cables.

Sam, 11, is always being told not to worry about the nuclear power plant rising next door, but for him there is lots to think about. Hinkley Point C will be Britain’s largest nuclear plant, and it’s only two miles away. Most of his...

The video discusses how devices we use every day are connected to the mains electricity supply. It explains the three types of wires present in a plug - the earth wire, the neutral wire and the live wire - and what each of their...

Electricity is transferred from power stations to consumers through the wires and cables of the National Grid. When a current flows through a wire some energy is lost as heat. The higher the current, the more heat is lost. To reduce...

The flick of a switch, that’s how easy it is to get electricity, right? If you’re one of the lucky ones, then yes. But in 2017 there are still over 1 billion people who do not have access to electricity. In this video we will discuss how...

Learn the basics about reducing acid rain or its effects. How can we reducing acid rain and its effects? Find out more in this video!