2,787 search results
Evolution through natural selection
Nature & Environment

Evolution through natural selection

...think was the purpose of the group A and B ponds? Discussion The purpose of the group A ponds was to show what happened over the same period of time in the absence of predators. The change in the number of spots in the group C guppies might have taken place anyway, whether or not the predators had been introduced. The group A ponds allowed Endler to check on this...
View course Evolution through natural selection
Level 1: Introductory 4 hrs
Prices, location and spread
Science, Maths & Technology

Prices, location and spread

...think of the weighted mean price in Activity 6 as a calculation of the total cost divided by the total consumption, the answer is an estimate of the average price, in pence per kWh, for typical consumers in the two cities, and it is the best estimate we can calculate with the available information. Sometimes the weights in a weighted mean do not have any significance in...
View course Prices, location and spread
Level 1: Introductory 18 hrs
Heritage case studies: Scotland
History & The Arts

Heritage case studies: Scotland

...thinking back, ooh, if my Granddad was here, which one would it have been, em, my great-great-great-great Granddad. (English couple, 45) This power of the markers also extends outside Scotland. Each year a large number of letters arrive at Culloden petitioning the NTS for a tangible representation of their clan, suggesting that, for many individuals in Scotland and around...
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Level 1: Introductory 5 hrs
Managing virtual project teams
Money & Business

Managing virtual project teams

...think they are meant to be doing the atmosphere of trust that is needed in an effective team can be lost...Managing virtual project teams: 1.3 Group working functions - The skills the project manager needs to consider in the team members are not just the required technical ones, but also the ability to carry out functions supporting group working and the team itself. This...
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Level 3: Advanced 8 hrs
Introduction to polymers
Science, Maths & Technology

Introduction to polymers

...systems, bushes, bridge bearings NBR nitrile (acrylonitrile- butadiene copolymer) Special-purpose rubbers of density 1.0 Mg m−3 and moderate mechanical properties. Poor cold resistance. Excellent resistance to swelling in hydrocarbons and alcohols. The greatest oil and alcohol resistance occurs in rubbers with a high acrylonitrile content. Fuel lines and linings SBR...
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Level 3: Advanced 20 hrs
Getting started with French 3
Languages

Getting started with French 3

...think about how you plan to look words up when you need to. The emphasis this week will be on learning a variety of ways to give instructions so you can understand and give directions. There will be several listening activities and you will be taught how to listen in steps and how to listen for detail. Finally, you will be practise the pronunciation of the letter ‘R’...
View course Getting started with French 3
Level 1: Introductory 6 hrs
Managing coastal environments
Nature & Environment

Managing coastal environments

...thinking about how to approach the study of environments and why environmental questions are so pressing. By drawing on a variety of examples from the estuary we intend to convey how broad the study of environments can be; rather than focusing on a particular issue, this course is an introduction to the study of environments. This OpenLearn course provides a sample of...
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Level 2: Intermediate 3 hrs
Getting started with Spanish 2
Languages

Getting started with Spanish 2

...think about how you plan to look words up when you need to. There are many online dictionaries available, or perhaps you prefer to use a printed version. Either way, find a dictionary that suits you and that is also reliable and accurate. Enjoy the week! This OpenLearn course is an adapted extract from the Open University course LGXS002 Beginners Spanish 2: ¡En...
View course Getting started with Spanish 2
Level 1: Introductory 6 hrs