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NS: Key words continued (3) - Coggle Diagram
NS: Key words continued (3)
Biodegradable: can be broken down by bacteria
Tailing: a mine dump containing left-over material after the valuable parts have been extracted from the ore
Fracking: the process of splitting rocks open by injecting water into cracks
Sieving: separating mixtures with a sieve, using the property of size
Filtration: separating mixtures with a filter, using the property of size
Separate: part or divide items that ae joined together
Evaporation: a method of recovering the solvent from a solution
Solvent: a substance, usually a liquid, capable of dissolving another substance
Solute: any substance that dissolves in another substance
Distillation: a method of separating two liquids with different boiling points, used to purify a liquid or to recover the solvent from a solution
Chromatology: a method of separating mixtures of dissolved substances/dyes
Organic waste: biodegradable food and garden waste that can be made into compost
Recycling: turning waste into re-usable material
Landfill: a method of getting rid of rubbish by burying it; a covered-over over rubbish dump
Methane: a greenhouse gas that's produced in landfills as materials degrades/breaks down
Periodic: a list of all the elements arranged in a table
Element: a pure substance which cannot be broken down
Atomic numbers: the number of protons in one atom of an element
Ductile: can be drawn out into thin wire
Malleable: can be hammered or pressed into shape without braking
Identify: find, name and mention
Non-metal: any element that doesn't conduct or electricity
Brittle: breaks easily
Noble gas: a stable gas that does not combine with other elements
Semi-metal: an element that shares some properties with metals and some with non-metals
Semi-conductor: an element or substance that conducts electricity only when it is heated up