Materials Science
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Materials come in what two forms? | Pure substances or mixtures
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| What happens when a material is mixed with another material? | Gains particular different physical properties
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| What are alloys? | Two or more different metals mixed together or a metal mixed with a small quantity of a non metal
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| What are composite materials? | Made from two or more different materials
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| What are separation techniques based on and what are some examples? | Seperation techniques are based off different physical and chemical properties, these include: Size, Density, Solubility, Electricity, Distillation
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| What features do nano-materials hold? | Nanoscale features
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| What size are nano materials? | 1-100nm diameter
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| Properties of nano materials vary from the ... | Bulk
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| What three things are nano materials able to do? | Adsorb, Transport molecules, Act as catalysts in some chemical reactions
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| What can nano materials do thats dangerous to humans? | Travel through air, skin, and even cells via the bloodstream
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| When is separation by size used? | Solid and a liquid preferably
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| When is separation by density used? | Two immiscible liquids or a liquid and a solid
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| When is separation by solubility used? | Two solids, add water
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| When is distillation or fractional distillation used? | Two liquids, similar bp, fractional comes out in fractions.
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| When is separation by electricity used? | Charged materials or magnetic elements
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Created by:
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