Descripción
Microwave ovens perform dielectric heating, using microwaves stimulated by electricity to heat up dielectric . A dielectric material is one that can be polarized by an applied electric force. Electricity causes the poles of a molecule to spin in dipole rotation. Polar molecules, like H2O (water), heat up much faster than non-polar molecules, like oil.Observe how microwave heating affects different liquids.Which liquids heat up the most? Will all of the liquidsevaporate?
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Autores
Autor Erin Bjornsson
Categorias Ficha para imprimir, 8-10 años, Experimento/Práctica, Física, Science Fair - Education, Inglés add
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Data de publicação 27 / 08 / 2020
Licença Respeita a licença original do recurso.
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Microwaving Liquids: Dielectric Heating
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