Stack #71286
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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| Alloy | A substance made by or conbining two or more metals
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| Biodiesel | Diesel fuel made from plant materials
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| Cement | A building material made from limestone and clay mixed with water
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| Compound | A substance made from two or more types of atom
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| Concrete | A building material made from sand, cement and crushded rock mixed with water
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| Convection currents | the flow of a due to differences in temperature.(how tectonic plates move.
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| Core | the central part of earth below the mantle
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| Cracking | Breaking a molecule apart using heat
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| Crust | the outermost layer of the earth
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| E-Number | A number given to a food additive in order to identify it.
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| Element | A substance made up of only one type of atom
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| Emulsifier | A substance which stops the two liquids in an emulsion separating
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| Emulsion | A mixture of tiny droplets of one liquid into another liquid
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| Food additive | A substance added to food to improve its flavour, texture or shelf life
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| Fractional Distillation | A way of separatinga mixture of substances according to their differeent boiling points
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| Fossil fuel | Coal, oil or gas or any other fuel formed long ago from the fossilised remains of dead plants or creatures
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| Gasohol | A mixture of petrol (gasoline) and ethanol
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| Haematite | An ore containing iron combined with oxygen
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| Hydrocarbon | A compound containing only carbon and hydrogen
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| Mantle | The layer of the earth between the crust and the core.
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| Monomer | A molecule that can combine with other, similar, molecules to form a polymer
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| Mortar | Mixture of sand, cement and water used to hold building materials together
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| Ore | Rocks that contain enough metal to make it economical to extact the metal
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| Polymer | A substance consisting of very large molecules made of smaller identical molecules called monomers
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| Quick lime | Heated lime stone
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| Saturated | A hydrocarbon which contains as many hydrogen atoms as possible in each molecule
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| Slag | the waste produced when iron is made in a blast furnace(always goes on top)
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| Tectonic plates | Huge sections of the earths crust and upper mantle
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| Thermal decomposition | splitting a substance using heat
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| Unsaturated | A hydrocarbon which cointains a carbon-carbon double bond
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Created by:
Niall1
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