3,191 search results
Energy in buildings
Nature & Environment

Energy in buildings

...working environments hot water for washing cooking food safe chilled food storage adequate lighting for homes and offices the ability to use electronic equipment for communication and entertainment (and producing and studying material such as this course). The fourth bar of Figure 1 shows that over 2000 PJ of delivered energy were used for space heating (i.e. warming the...
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Level 3: Advanced 10 hrs
Innovation, markets and industrial change
Society, Politics & Law

Innovation, markets and industrial change

...Work out what effect each will have on the demand curve. Then see if you can complete Table 1 below. Table 1: Shifts in the market demand curve for electronic personal organisers CHANGE IN VARIABLE EFFECT ON DEMAND CURVE Decrease in income Decrease in quantity demanded at all prices. Demand curve shifts to the left Increase in income Rise in price of a substitute Fall in...
View course Innovation, markets and industrial change
Level 2: Intermediate 15 hrs
Animals at the extremes: hibernation and torpor
Nature & Environment

Animals at the extremes: hibernation and torpor

...work out why different animals adopt their own strategies. Elephant shrews (Elephantulus myurus), which live in the relatively moderate climate of southern Africa for example, reduce their T b to one of the lowest levels seen in mammals in which frequent torpor bouts are observed. Torpor occurs with complete recovery about five times a day over the winter months, with the...
View course Animals at the extremes: hibernation and torpor
Level 2: Intermediate 14 hrs
Introduction to Arabic
Education & Development

Introduction to Arabic

...works that is very different (or also similar!) to languages you already speak, or if you have holidays booked, it is nice to demonstrate an interest in the local culture by speaking in the local language where possible. If you would like to become fluent enough to hold a conversation, it’s important that you manage your expectations. Studying alone can only get you so...
View course Introduction to Arabic
Level 1: Introductory 4 hrs
Golden Globe Ocean Race: Global Biodiversity
Nature & Environment

Golden Globe Ocean Race: Global Biodiversity

...work of Humboldt because they rely on the geographic linkage between biology, in this case species richness, and data on the physical properties of the world. However, the lack of scientific consensus on the exact cause of the LDG is problematic because it means that we do not fully understand the mechanisms responsible for the geographic variation in species richness. It...
View article Golden Globe Ocean Race: Global Biodiversity
Article 20 mins
Nuclear power: friend or foe?
Society, Politics & Law

Nuclear power: friend or foe?

...work here, and you may want to get into the subject more deeply. At this point you may also wish to pause and use the Comments section below to discuss your ideas with other students. But to do this exercise within the time suggested you will just need to grasp the key points. The important thing is that you think about the questions and about your reaction to...
View course Nuclear power: friend or foe?
Level 2: Intermediate 2 hrs
The impact of technology on children's physical activity
Health, Sports & Psychology

The impact of technology on children's physical activity

...working towards changing their daughter’s use of technology. Although this is aimed at parents, it provides a useful insight into how some families use technology and the impact of this on their children’s physical activity levels. Now think back to when you were a child growing up, and answer the following questions: What technology did you have access to? How did...
View course The impact of technology on children's physical activity
Level 1: Introductory 6 hrs
Geological processes in the British Isles
Science, Maths & Technology

Geological processes in the British Isles

...work is successful, it cannot indicate how wide a past ocean was, even though the suture zone can often be detected marking where its closure is located. To estimate the width of past oceans, additional information such as palaeomagnetic data or fossil evidence needs to be used...Geological processes in the British Isles: 4.3 Continental extension - Understanding how and...
View course Geological processes in the British Isles
Level 2: Intermediate 9 hrs