tecno
Electric current: Is the continuous flow of electrons.
Conductors: Materials that allow electric current to pass through them.
Insulators: materials that do not allow electric current to pass through them.
Static electricity: Is the result of an imbalance between negative and positive charges in an object.
Electric circuit: Is a set of connected components through which an electric current circulates.
Generators: Provide the necessary energy to move the electrons. (batteries: use chemical processes to
Examen 1 tecnologia
Technology: is the application of scientific knowledge for practical purposes, especially in industry.
The project approach is a very simple method used to address issues and find solutions to our problems. The project approach is grouped in three areas: analyse, build and evaluate. Analyse: Detect the problem or need: we have to think in what is the problem, what do we need to solve it and what are the conditions to solve it. It is important to do this step very good to make easier the rest of the
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UNIT 5+The experience in city to be able to heave in every moment in any culture and subject that affects the organization
3.Intelligences: Natural: is used to discriminate among living things, such as plants
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STONE MATERIALS: Stone materials are often used for construction because they are strong, durable a d vey resistant to whether conditions.
1.1.Extracting and proccessing stone: Stone is extracted from natural deposits. Some types exist as large blocks, such as marble and granite from quarries, which must be cut into smaller pieces. Other materials, such as gravel and sand, are aggregates.
1.2.Natural stone: -Limestone is a porous sedimentary rock. It is often used for sculptures and buildings, as
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1.PLASTIC MATERIALS: In general, plastic materials are a normal part of everyday life. They also play important roles in sectors such packaging, telecommunications, transport, construction, medicine, agriculture and information technology. Plastics consist of long chains of molecules, mostly made of the element “carbon”. These chains of macromolecules are called polymers, which is another name for plastics. Polymers are composed of smaller molecules called monomers. 1.1 THE ORIGIN OF PLASTICS: