unit 6. Machines p 86 - Contenido educativo
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Okay, on page FTC, what makes machine work? We have the energy. We have different types of energy. One of them, human energy, for example, to move a bike. Okay, to move a bike, we need someone to move the pedals. Okay, that is human energy. We need a person to move that.
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The human energy is the human energy.
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Uh-huh.
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We have also the electricity.
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The electricity.
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The air gives us energy.
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Yes, but this is another one.
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Electricity.
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Electricity, for example, to move the train.
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The train works with electricity.
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The computer works with electricity, the TV works with electricity, the smartphone, yes, the tablet, yeah, all that works with electricity.
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We also have the sunlight.
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Sunlight.
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From the sunlight we can get energy.
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The wind. We also have the wind for example. We have a person here. We have a paraglider.
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For this, you need a wheel also to move a boat with a sail.
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This kind of boat works with a wheel, okay?
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And the last one.
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Pedro.
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The Pedro.
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What means a car?
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What means a car?
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The car.
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The car.
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The gasoline.
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For example, the car, the lorry, the motorbike, they work with petrol.
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The motorbike is the motor.
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Yes. So we have this kind of energy, we have human energy, electricity, sunlight, wind, and petrol.
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- Subido por:
- Virginia M.
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- Fecha:
- 18 de mayo de 2021 - 14:17
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- CP INF-PRI NTRA. SRA. DE FATIMA
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