Class Clips is changing
We will be introducing the new Knowledge and Learning Beta website over the coming months. Clips for use in the classroom are now available on your phone, tablet or PC.


Alternatively, you can still browse or search by keyword or clip number on this site.

Clip description Keywords
An introduction to antibiotics
An introduction to antibiotics

Duration: 01:11

Liz Bonnin from 'Bang Goes The Theory' gives a short description of antibiotics. Their use, discovery and mechanisms for working are all given.

 
Bacteria survive nearly three years on the Moon
Bacteria survive nearly three years on the Moon

Duration: 04:51

Bacteria from a human sneeze survived for 33 months on the Moon.

 
Bacterial growth
Bacterial growth

Duration: 02:32

A demonstration of the conditions required for bacteria to undergo rapid growth. Peas are used to help visualise the rate of increase in bacterial numbers.

 
Digestion in herbivores
Digestion in herbivores

Duration: 02:51

David Attenborough outlines how bison and other ruminants have become specialised for their herbivorous diet.

 
Fossils discovered on Mars?
Fossils discovered on Mars?

Duration: 01:05

A NASA scientist has discovered a small, fossil-like structure on a meteor from Mars.

 
How small are bacteria?
How small are bacteria?

Duration: 01:09

David Attenborough demonstrates how small and numerous bacteria are with a scanning election microscope.

 
Micro-organisms and the human body
Micro-organisms and the human body

Duration: 01:36

Robert Winston explains that there are approximately 1,000 billion micro-organisms living on and inside the average human.

 
Micro-organisms within the home
Micro-organisms within the home

Duration: 04:13

Where do you find micro-organisms within the home? An investigation into house mites in bed and headlice on human hair.

 
Microbes and the human body
Microbes and the human body

Duration: 03:12

A microbiologist talks about the microbes which live on our unwashed hands and in our nose and throat.

 
Microbes found in glacial ice
Microbes found in glacial ice

Duration: 04:52

Bacteria have been found living in 1000-year-old glacial ice. Could there also be life on Europa, one of Jupiter's moons?

 
Sewage treatment
Sewage treatment

Duration: 01:32

A description of the sewage treatment process.

 
Testing the soil on Mars for life
Testing the soil on Mars for life

Duration: 03:52

An explanation of the tests completed by the Viking landers which found no life on Mars.

 
The use of microbes in the food and drink industry
The use of microbes in the food and drink industry

Duration: 02:05

An introduction to the uses of yeast and bacteria in producing wine, beer, yoghurt and cheese.

 
Yeast cell growth
Yeast cell growth

Duration: 01:12

The growth of yeast cells is demonstrated. The cell nucleus contains all the information necessary for successful growth.

 

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