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Biofuels: plant materials to replace oil
EducaMadrid Organización
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Facing the growth of CO2 emissions from transport and the difficulty to find alternatives to the traditional fuels for transport, Europe is proposing an immediate answer. It is encouraging the…
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Atoms and molecules
EduBook Organización
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3.1. Atoms The smallest units of matter are called atoms. All substances are made up of atoms. Atoms contain three types of particles: protons, neutrons and electrons. Protons and neutrons are located…
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Work it out. The natural environment
EduBook Organización
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Remember what you have studied in this section and answer the questions: What environmental conditions prevent the existence of life on the other planets in the Solar System? Why is light a limiting…
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Reading
EduBook Organización
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Next morning, Mary told Martha about finding Colin. Martha was very upset. She thought that she could lose her job for allowing Mary to find Mr Craven’s son. ‘Don’t worry,’ said Mary. ‘Colin…
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Unit 8: The Earth, a Living Planet
EduBook Organización
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Asexual reproduction (n): the process of reproduction of a single organism by itself. autotroph (n): an organism that produces its own food for nutrition. bioelement (n): any of the chemical elements…
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Reading
EduBook Organización
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The next morning Dorothy and the Scarecrow hear a loud noise outside the house. “What’s that?” asks Dorothy. “I don’t know,” says the Scarecrow. “Let’s go and see.” They run out of the…
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Mass
EduBook Organización
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2.1. Mass. Units of mass Mass is the amount of matter that makes up a body or object. The SI unit of mass is the kilogram (kg). Multiples and submultiples To measure different quantities, multiples and…
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Activities - Part Two
EduBook Organización
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Mowgli, Bagheera and Baloo are very sad. The picnic is in the tiger’s tummy! ‘What’s the matter?’ asks Hathi, the elephant. ‘Look at the greedy tiger!’ says Mowgli. ‘My delicious picnic is…
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Final evaluation 1 - The Universe and our Solar System
EduBook Organización
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Decide which of the following sentences are false and correct them: Most of the matter in the Universe cannot be seen. The Milky Way is located in the centre of the Solar System. The Bing Bang theory…
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Reading
EduBook Organización
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Mr Utterson was at home one evening, when Dr Jekyll’s servant came to the house. ‘Good evening, Poole,’ the lawyer said. ‘What can I do for you?’ He looked at the servant for a moment. Poole…
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