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EPER: Pollution industry on line
EducaMadrid Organización
4552 visitas
The European Pollutant Emission Register is a catalogue of European industrial pollution. It is a vast database accessible over the Internet, which systematically lists the polluting emissions from…
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Letter Generator
Tiching explorer Organización
3988 visitas
This resource is designed to help us write a letter. We can create business or friendly letters. We only need to type the information for all parts of the letter, select a border and the it is finished.…
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Finding Fragments in Short Passages
Tiching explorer Organización
2746 visitas
In each passage we have to select with the mouse the part which is a fragment (i.e. where the main clause is missing). A link to the grammar rules explains the different types of fragments we can find…
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Grammar Express: Parts of speech
Tiching explorer Organización
1 lo usan

2382 visitas
It is a complete course designed to help us study the different parts of speech. It contains different lessons explaining each part of speech with several examples. We learn the grammar rules, study the…
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Game: The PCR method
Tiching explorer Organización
2693 visitas
This is an educational game, starting with an animated lecture, is based on the 1993 Nobel Prize in Chemistry, which was awarded to the invention of the PCR method that made it possible to copy large…
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Final self-evaluation 7 - The Atmosphere
EduBook Organización
2269 visitas
Complete the text with the missing words. Some words can be used more than once: water – high – anticyclones – low – heats – opposite cyclones – cools – cold – lighter – sea –…
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Listening - The Granite Cave
EduBook Organización
2238 visitas
Listen to the beginning of Chapter Six. Write the word/words which are different from those you hear. Axel: ‘Hello, Uncle. Hello, Hans,’ I said, surprised. ‘Where am I? What day is it? What time…
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Poetry anthology
Tiching explorer Organización
2847 visitas
This book is an annotated version of “The Ranson of Red Chief” by O. Henry. It includes author background, comprehension questions, and a linked, illustrated glossary. It is also available in eBook…
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Choose. Upthrust and buoyancy
EduBook Organización
2258 visitas
Choose the correct answer: What equals the upward thrust experienced by a submerged object in a liquid? What is the apparent weight of an object? What happens if the weight is less than the upward…
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Initial evaluation 3 - Matter: Mass, Volume and Density
EduBook Organización
2250 visitas
Are the following sentences true or false? Mass and weight are the same. A heavy body occupies more volume. The volume of a body is the space it occupies. Density is the relationship between the mass of…
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