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Supporting learning is at the heart of the BBC's mission. This channel provides accessible, engaging, inspiring and challenging content covering a wide range of unique documentaries and series. From space science, medicine, animal behaviour to international history and social justice, let the experts take you through a real journey of discovery.

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Real World Chemistry How is glass made?

Fran Scott learns how glass is made in a factory. The raw materials are described, together with the use of soda ash to lower the melting point, making it easier to form into useful shapes. The production process is described, including the use of gas burners to maintain the high temperature. Automated equipment is used on a continuous production line ...
  • 2016
  • 00:05:45
  • 15-17
  • Added on: 09/03/2019

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Real World Chemistry How is plastic made?

Fran Scott visits a company that makes PVC to find out how you turn raw materials into plastic goods. She explains how crude oil is processed using fractional distillation, and uses a model to explain the molecular structure of alkanes, alkenes and polymers. At the plant, she finds out about all the additives that give different types of PVC their ...
  • 2016
  • 00:05:10
  • 15-17
  • Added on: 09/03/2019

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How to Think Like a Computer What is decomposition?

A teenage programmer discovers how decomposition works through trial and error. She tries asking her computer to go shopping for her but he doesn't understand. She realizes she has to break down the task into a list of simple instructions to follow. With a clear set of ordered instructions, the computer goes to the shop, collects the items, pays for ...
  • 2016
  • 00:03:11
  • 13-14
  • Added on: 09/03/2019

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How to Think Like a Computer Searching algorithms

The concept of a searching algorithm is explained through everyday activities and events. The characters are a teenage girl (Ada) and her friend Computer Head (CH). Ada interacts with CH and teaches him, and us, the concept of a searching algorithm. Ada uses keywords in her explanation to CH and shows how, if he had to search through a massive ...
  • 2016
  • 00:02:44
  • 13-14
  • Added on: 09/03/2019

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How to Think Like a Computer Bias and Reliability

The concept of bias is explained through everyday activities. A teenage girl, Ada, asks her friend Computer Head (CH) an everyday question which is open to bias. She then looks at the results obtained from search engines and how some sites can be biased. Teacher notes: You could use this video to discuss what we can look for when using ...
  • 2016
  • 00:03:00
  • 13-14
  • Added on: 09/03/2019

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How to Think Like a Computer Sorting algorithms

A teenage programmer (Ada) is sorting through photos to put them into an album, and this is proving to be a very long and laborious task. She then thinks of using a sorting algorithm and enlists the help of her friend CH (Computer Head). They decide to apply the steps of the sorting algorithm to organize the photos and place ...
  • 2016
  • 00:03:08
  • 13-14
  • Added on: 09/03/2019

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How to Think Like a Computer Checking your algorithm

A teenage programmer evaluates the instructions she's written to tell her computer how to mop the floor. She checks if they're in the right order, if she's included all the steps, and if her instructions are precise enough. She tests them after each change to see if there is anything she has forgotten. Teacher notes: Units of measurement can be ...
  • 2016
  • 00:03:10
  • 13-14
  • Added on: 09/03/2019

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How to Think Like a Computer Pattern recognition

A teenage programmer is giving her computer instructions on making a sandwich. She realizes that the pattern of slicing and layering are repeated – and finds this useful in writing her code. She uses a similar set of slicing and layering instructions to try to get the computer to make her dessert – with less success. Teacher Notes: Jumping off ...
  • 2016
  • 00:02:53
  • 13-14
  • Added on: 09/03/2019

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How to Think Like a Computer What is abstraction?

A teenage programmer finds out how to use abstraction in programming. She gives instructions to her "computer", a human figure with a monitor for a head. She asks him to let people in for a dance audition, only choosing those who can dance and want to dance. Because she doesn't specify in her code that the dancers have to be ...
  • 2016
  • 00:03:00
  • 13-14
  • Added on: 09/03/2019

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How to Think Like a Computer Algorithms

A teenage programmer creates an algorithm to teach her computer a dance routine. An algorithm is a clear sequence of instructions with a start, a finish, and usually some decisions in the middle. They can be expressed in a flow chart. The computer only makes mistakes if there are mistakes in the instructions.
  • 2016
  • 00:02:39
  • 13-14
  • Added on: 09/03/2019

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