Science

Harnassing Chemicals

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Analgesics

help with headaches, pain relief e.g. aspirin

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Sedatives

help you to sleep

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Broncho Dilators

used by asthmatics. helps with asthma.

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Antacids

helps with stomach upsets.

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Pharmaceuticals

medical chemicals.

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Pharmacist

people who work in a chemist shop.

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Food additives

things added to food.

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Preservatives

added to food to make it last longer - have a longer use by date.

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Colourings

added to food to make it a certain colour e.g coloured icing on cakes.

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Flavourings

added to food to give them a stronger certain flavour e.g. smokey bacon crisps.

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Emulisifiers

mix oil and water e.g ice-cream, mayonaise.

normally oil and water separate and dont mix. the Emulisifier makes them mix together.

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Multinational companies

shell, esso - big companies that are across different countries.

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Synthetic

man-made.

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raw materials

starting materials used to make a product. usually natural materials e.g coal, cotton, wood etc.

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bulk chemicals

bulk - lots & lots/ large amounts.

the chemical industry make some chemicals on a scale of thousands of tones per year e.g sulfuric acid, chlorine.

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fine chemicals

chemicals made in smaller amounts e.g drugs and pesticides.

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Speciality chemicals

chemicals made in small amounts that are used by other people/manufacturers for a certain purpose.

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plant

the part of a chemical works which makes a chemical.

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Chemical industry

changes raw materials into pure chemicals. e.g acids, alkalis, salts.

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Sustainable

it can carry on over a long period of time without harming the environment.

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How can the chemical industry become sustainable?

- develop renewable resources

- make efficient use of energy

- reduce waste.

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Exothermic

chemical reactions that give out heat,

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Comments

Katie

Great stuff :)

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