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Self-assessment T10 08 - Machines and structures
EduBook Organización
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Complete the text with the correct words: A is an instrument that we use to make our work easier. We operate tools using our . Humans used , bones and sticks to make the first tools. These included…
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Self-assessment T10 06 - Machines and structures
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Are these sentences true or false? Levers are compound machines which are made up of three elements: the load,the effort and the fulcrum. In first-class levers, the fulcrum is located between the effort…
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True / False. Tools
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Are these sentences true or false? A tool is an instrument that we use to make our work easier. We operate tools using our hands. Humans used rocks, bones and sticks to make the first tools. When humans…
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Chemical reactions
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What is a chemical reaction? Chemical reactions are processes that turn certain substances into other substances. These are the products of the reaction. Heat is sometimes a product of the reaction.…
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Understanding the text Ch 2 05
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Look at this sentence: King Richard was unable to free Jerusalem. In English we often put the prefix ‘un’ before a word to mean ‘not’. Look at these examples: King Richard was not able to return…
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The third conditional
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‘It would never have happened if I had not met you.’ ‘It would never have happened if I had not met you.’ The third conditional is used to talk about something in the past which cannot be…
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Remember...
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Types of urban street plans Irregular plans This plan does not have a system of organisation. The streets are windy with dead-ends, alleyways and courtyards. Muslim cities and the older parts of town in…
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Minerals (I)
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2.1. What is a mineral? Minerals are solid and inorganic substances which have a particular chemical composition. They are formed naturally. Minerals are characterised by their perfectly ordered…
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Grammar check!
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- 1324 visitas
When we want to say that something will happen in the future, we can use the word ‘will’ before the verb. Look at these examples: Robin says: ‘No one will recognise me.’ He says ‘will’…
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