799 search results
Water for life
Nature & Environment

Water for life

...energy of the Sun to evaporate seawater, but this is a slow process. Other methods of desalination use different energy sources - oil, for example. Either way, desalination is a costly business and so is generally used only in those countries wealthy enough to afford it (e.g. in the Arabian Peninsula, Iran and the USA - in Arizona and California), and only where there is...
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Level 1: Introductory 15 hrs
Diagrams, charts and graphs
Science, Maths & Technology

Diagrams, charts and graphs

...Energy 404.6KJ/97Kcal 1618.4KJ/388Kcal Protein 61.0g 244g Carbohydrate 8.6g 34.4g of which sugars 2.0g 8.0g starch 6.2g 24.8g Fat 3.8g 15.2g of which saturates 1.1g 4.4g mono-saturates 1.2g 4.8g polysaturates 0.5g 2.0g fibre 1.8g 7.2g sodium 0.2g 0.8g salt 0.6g 2.4g Scientific experiments often require a series of measurements taken at regular intervals. Information can...
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Level 1: Introductory 5 hrs
Why are nonhuman animals victims of harm?
Society, Politics & Law

Why are nonhuman animals victims of harm?

...energy (and therefore of feed and the money used to buy it). The bottom line is that unrestricted movement reduces profitability. Figure 5 shows the disciplining of pigs’ bodies along these lines. [A photograph of legally caged pigs in a ‘factory farm’.] Figure 5 Legally caged pigs in a ‘factory farm’ Simultaneously, the effects of power relations between the...
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Level 2: Intermediate 2 hrs
Understanding mortgages
Money & Business

Understanding mortgages

...energy companies’ standard tariffs! Don’t feel obliged to stay with the first mortgage provider just because they lend you a load of money for 25 years – it’s a commercial relationship, not a marriage! The good news is that the trend over many decades has been rising house prices in both cash and real terms (see the graph above) – so your mortgage not only...
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Level 1: Introductory 2 hrs
Social marketing
Money & Business

Social marketing

...energy consumption/carbon emissions; encourage recycling; reduce binge drinking and childhood obesity; encourage positive health behaviours; and many more...Social marketing: 2.3 Reasons for social marketing - Your thoughts should already have suggested reasons why social marketing can be an effective approach to dealing with social problems and issues. We will now...
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Level 3: Advanced 8 hrs
The poetry of Sorley MacLean
History & The Arts

The poetry of Sorley MacLean

...solar system, with working parts. You are here and we are there and we are now here with you, is this clear? – Gawl horrop. Bawr. Abawrhannahanna! Faced with Mercurian truculence, the Earth man moves into pidgin: – I am the yuleeda. You see my hands, we carry no benner, we come in peace. The spaceways are all stretterhawn. – Glawn peacemen all horrahanna tantko! Tan...
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Level 3: Advanced 10 hrs
An introduction to minerals and rocks under the microscope
Science, Maths & Technology

An introduction to minerals and rocks under the microscope

...energy for the atoms to move relative to each other. The quenched material is a disordered solid, known as an amorphous solid or glass (Figure 3). Figure 3 Schematic diagrams of atomic arrangements in the gas, liquid and solid states. The small black arrows represent relative velocities of atoms or molecules in the liquid and gas. In a crystalline solid, atoms are...
View course An introduction to minerals and rocks under the microscope
Level 2: Intermediate 8 hrs
Helen Langdon's ‘Caravaggio’
History & The Arts

Helen Langdon's ‘Caravaggio’

...energy. Painting makes visible the sensual grounds of a metaphysical fantasy. (Bersani and Dutoit, 1998, pp. 81–2) Activity 11 Click to open Colour Plate 2 showing Caravaggio's St John the Baptist (Youth with a Ram),1602, oil on canvas, 132 x 97 cm, Musei Capitolini, Rome. Photo: SCALA, Florence. In what ways does Bersani and Dutoit's interpretation of Caravaggio's St...
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Level 3: Advanced 20 hrs