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Video: Introduction to Evolution and Natural Selection
Khanacademy Organización
4862 visitas
This 17 minute video introduces the basics of Darwin Theory in plain English, especially how the ape evolved into human beings. Natural Selection means the survival of the aptest. There are always…
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Lasers
Tiching explorer Organización
4568 visitas
With this simulation students can create a laser by pumping the chamber with a photon beam. They will manage the energy states of the laser's atoms to control its output. At the end students should be…
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Observe. Pollution of the environment
EduBook Organización
2695 visitas
Look at the drawing representing the different polluting agents and do the activities: Where is the cleanest water? And the cleanest air? Where is the water and the air most polluted? Explain how humans…
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Investigate. Non-renewable sources of energy
EduBook Organización
2684 visitas
Remember what you have studied in this section and answer the questions: Find out what other products are obtained from coal and oil and say what they are used for. Find out how a nuclear power station…
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Understanding the text (II) (PET)
EduBook Organización
2572 visitas
Now listen to the Dke talking about when he met the King. Choose the best answer. When did the Duke meet the King? At first, the Duke thought the King was What did the King think of life in the South?…
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Writing (FCE)
EduBook Organización
2575 visitas
Laura is said to be the ‘ideal woman’ of Victorian England. Using her as your model, write a description (120-180 words) of what you think the ideal Victorian woman was like. Use these questions to…
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Before you start - The Earth's surface: shaping human activity
EduBook Organización
1 lo usan

2474 visitas
Didactic objectives Know the most important features of relief on each continent and know how to find them on a map. Recognise the main characteristics of Europe's relief, rivers and coasts.…
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Speaking (PET)
EduBook Organización
2567 visitas
Look at the pictures. Work with another student and choose one of the pictures. Study your picture for one minute. Then tell each other about your picture. Here are some questions to help you: Who is in…
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Primate evolution, family ties
Tiching explorer Organización
4684 visitas
This presentation shows how primates, including human-beings, have evolved from a common ancestor through gibbons, monkeys, orang-utans, gorillas and chimpanzees. Students should spot the differences…
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Look and answer. The salmon
EduBook Organización
2646 visitas
Look at the close-up of the salmon ova and sperm. Then answer the questions below. Where does fertilisation take place? Is it external or internal in salmon? What do the ova and sperm look like? How do…
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