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Currículum, carta formal i correu electrònic
EduBook Organización
- 1538 visitas
Tipologia textual El currículum i la carta formal són texts expositius que tenen com a finalitat donar informació concreta al receptor. Són texts formals, escrits en registre estàndard, que…
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Tecnologia / eBay i el comerç electrònic
Xtec Organización
- 1275 visitas
En aquest capítol de la sèrie radiofònica 'Tecnologia' ens apropem a eBay, lloc de referència del comerç electrònic. Amb només tretze anys de vida, eBay s'ha fet un nom propi a…
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Before you start - Machines and structures
EduBook Organización
- 3090 visitas
Didactic objectives Identify the basic characteristics of electrical current, conductors and insulators. Identify the parts of an electrical circuit and draw a diagram with the correct symbols.…
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End-of-unit evaluation - Machines and structures
EduBook Organización
- 2742 visitas
In this unit we will look at electrical circuits, generators and motors that work by magnetism. We will also look at the machines and tools which help us do our work. Finally, we will look at…
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Self-assessment T10 02 - Machines and structures
EduBook Organización
- 2671 visitas
Complete these sentences with the correct words: Some objects become electrically when we rub one against the other. Electrical current is the flow of through materials. A is needed to create the…
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Learn. Simple machines - Obtaining and using energy
EduBook Organización
- 2621 visitas
Simple machines The most rudimentary machines are called simple machines. They are basic, but they are of great help in performing tasks and transferring energy. The Wheel A wheel is a circular object…
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End-of-unit activities - Machines and structures
EduBook Organización
- 2499 visitas
In this unit we will look at electrical circuits, generators and motors that work by magnetism. We will also look at the machines and tools which help us do our work. Finally, we will look at…
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Self-assessment T10 10 - Machines and structures
EduBook Organización
- 2382 visitas
Are these sentences true or false? The structure of a building must be stable and resistant. The structure of many buildings consists of a system of girders, beams and pillars. The beams form the base…
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Self-assessment T10 08 - Machines and structures
EduBook Organización
- 2242 visitas
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
EduBook Organización
- 2194 visitas
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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