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Properties

Properties of materials

TermDefinition
Raw material It is a natural resource, directly taken from the environment.
Material It is a raw material that has been transformed by physical o chemical processes.
Manufactured product An object ready to use and satisfy human needs made with one or more materials.
Electrical conductivity Physical electrical property of materials that allow the electrical current to pass through them.
Electrical insulation Physical electrical property of materials that DON´T allow the electrical current to pass through them.
Thermal conductivity Physical thermal property of materials that allow heat to pass through them.
Thermal insulation Physical thermal property of materials that DON´T allow heat to pass through them.
Expansion Physical thermal property of materials that when the temperature increases, get bigger.
Contraction Physical thermal property of materials that when the temperature decreases, get smaller.
Fusibility Physical thermal property of materials that change from solid to liquid when temperature is increased.
Welding Physical thermal property of materials that consists of joining two pieces of metal using heat.
Transparent Physical optical property of materials that allow light to pass through them, objects behind them can be seen clearly.
Translucent Physical optical property of materials that allow light to pass through them, but don´t allow objects behind them to be seen clearly.
Opaque Physical optical property of materials that don´t allow light to pass through them, objects cannot be seen through these materials.
Acoustic conductor Physical acoustic property of materials that allow sound to pass through them.
Acoustic insulator Physical acoustic property of materials that DON´T allow sound to pass through them.
Magnetism Physical magnetic property of materials that attract metallic things.
Elasticity Physical mechanical property of materials that allows the material to return to its original form after a force that has changed its shape is removed.
Plasticity Physical mechanical property of materials that allows them to be permanently deformed after a force has changed its shape.
Malleability Physical mechanical property of materials that allows a material to be spread into films or sheets.
Ductility Physical mechanical property of materials that allows a material to be formed into filaments or wires.
Mechanical strength Physical mechanical property of materials that makes them suffer a deformation when a force act upon them.
Hardness Physical mechanical property of materials that are not easily scratched by another material.
Toughness Physical mechanical property of materials that do not break when they are hitten by something.
Brittleness Physical mechanical property of materials that break easily.
Density Physical property of materials that indicates the relationship between the mass and the volume of an object.
Porosity Physical property of materials that can absorb or release liquids or gases.
Permeability Physical property of materials that allow liquids to filter through them.
Impermeability Physical property of materials that DON´T allow liquids to filter through them (waterproof material).
Oxidation Chemical property of materials that react with oxygen in the air or water producing rust.
Recyclable Ecological property of materials that can be reused.
Toxic Ecological property of materials that are harmful to the environment.
Biodegradable Ecological property of materials that decompose naturally.
Renewable Ecological property of materials that can be regenerated in a short period of time.
Non-renewable Ecological property of materials that cannot be regenerated in a short period of time.
Created by: amediavilla
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