unit 8: energy
TRANSCRIPT
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UNIT8: Energy
Nuria Sánchez Parra5º, CEIP García Bellido
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OUTLINE• Energy - Properties - Types of energy• Energy sources - Renewable energy sources - Non- renewable energy sources• Consequences of energy use
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Vocabulary Energy: Energía Everywhere: en todos lados Everything: en todas las cosas Store: almacenar Chemical Energy: Energía Química Light Energy: Energía luminosa Nuclear Energy: Energía Nuclear Mechanical Energy: Energía Mecánica Thermal Energy: Energía Térmica Electrical Energy: Energía Eléctrica Transform: transformar Transfer: transferir Transport: transformar Energy sources: Recursos de energía Renewable: renovable Non- renewable: no renovable Run out: acabarse Sun: sol Wind: viento Flowing water: agua que fluye Hydarulic: hidráulica
The Earth´s internal heat: calor interno de la Tierra
Biomass: biomasa Fossil fuels: combustibles fósiles Coal: carbón Pretoleum: petróleo Natural gas: gas natural Nuclear fuels: combustibles
nucleares Uranium: uranio Plutonium: Plutonio Limited resources: recursos limitados Radioactive waste: residuos
radiactivos Air pollution: contaminación del aire. Acid rain: lluvía ácida Global warming: calentamiento
global Greenhouse effect: efecto
invernadero
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Videos
• Energy and types• Renewable and non renewable sources• Resources
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EnergyIs the ability to
do work or cause change
Can be
Transformed (from one type to another)
Transfered (from one body to another)
Stored
Transported (from one place to another)
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Types of energy
Chemical energy: stored in food, plants, batteries….
Light energy: is emited by objects that emit light
Nuclear energy: is gave by chemical elements
Mechanical energy: when it produces movement
Thermal energy: is released by object as heat
Electrical enegy: is used by electrical objects
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• Chemical energy. It is the energy given by food, batteries or fuel.
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• Light energy. This is the energy of the objects that give light, like the sun or the light bulbs.
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• Nuclear energy. It is the energy given by chemical elements such as uranium and plutonium.
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• Mechanical or kinetic energy. Objects moving have this kind of energy. For example, a car riding.
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• Thermal energy. It’s the energy that emerges from an object as heat, for example from a stove.
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• Electrical energy. It is the energy used by electrical objects, such as mixer or a computer.
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Energy resources
Can be
RenewableNever run out
Non- RenewableRun out
Sun: light and thermal energy
Wind: mechanical energy
Flowing water: hydraulic energy
The Earth´s internal heat: geothermal energy
Biomass: Chemical energy
Fosil fuel
Nuclear fuels