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Voltage is the electric force. Just like water needs pressure to force it through a hose, electrical current needs some force to make it flow. A volt is the measure of electric pressure. SEE
USE THESDE SYMBOLS
H - He - Li - C- N - O - Na - Mg - K -Al - Si - P - S - Cl - Ar -
Virtual circuits ***
Energy, electricity and forces
Energy comes from renewable and non-renewable sources. Electrical energy is a measurable force that also creates magnetic fields.
1. Energy transfer and storage: Revise Activity Test
2. Forces: Revise Activity Test
3. Electric current and voltage: Revise Activity Test
4. Magnets and electric current Revise Activity Test
5. Physics triathlon Activity
CÓMO FUNCIONA UNA CENTRAL NUCLEAR
Vocabulary:
La electricidad y su transporte: positive, negative, attract, repel, static electricity, shock, thunderstorm, lightning, voltage, electric current, generator, transformer, pylons, cables, plug, socket, electricity supply
Los circuitos eléctricos: charges, current, electrical conductors / insulators, metals*, copper*, plastic*, wires, electrical component, switches, flow
El magnetismo: magnet*, natural*, man-made*, magnetite, north / south pole, magnetic force / field, steel, iron*, permanent, temporary, iron filings, electromagnets*, conducting wire, compass, coil, Earth’s core
Las fuentes de energía: renewable / non-renewable, uranium, oil*, gas*, coal*, the Sun*, solar energy*, wind*, water*, biomass, geothermal energy, coal mine, solar panels, nuclear power stations*, fossil fuel*
Otros: blades, wind turbines, rubber-soled shoes, dangerous, landfill, waste*, pollutant, oil spills, ecological disasters, habitats*, dams, water butt, compost bin, volcanic*, switch off, radioactive, decay, organic, migrating*,
radiation, Eco-house, Eco-school, copper*, plastic*
- Estructuras clave:
El primer condicional: If you break a magnet into two parts, each part will then have a north and south pole.
El imperativo: Wrap the wire in a tight coil around the nail.
Los conectores: Solar energy from the Sun is renewable and a non pollutant. However, solar panels are expensive.
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