Chemisty 3

Crossword of all the keywords in C3.

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  • Created by: Jem
  • Created on: 01-05-13 20:47
Giant slabs of rock that make up the earth’s outer layer
Tectonic plates
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Material that is magnetic – attracted to a magnet
Magnetism
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Rocks formed in layers
Sedimentary rocks
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Small particles of a substance – e.g. sand
Grains
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The remains of plants or animals in stone
Fossils
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The movement of solids at the Earth’s surface caused by wind, water, ice, gravity and living organisms.
Erosion
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The change of state from liquid to gas
Evaporation
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To keep fresh or protect
Preserve
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Solids or liquids spread into tiny particles in a solution
Dissolve
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The liquid that has something dissolved in it
Solution
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Salt water (e.g. sea water)
Brine
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Molecules or particles arranged in an even way
Crystalline
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To separate a solid from a liquid
Filter
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A chemical added to a polymer to make it more flexible
Plasticiser
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Spin liquids very fast to separate the solids
Centrifuge
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The sinking of the ground’s surface
Subsidence
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Mixtures of chemicals that make things taste nice
Flavouring
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An idea
Theory
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A solid or solution with a pH more than 7. E.g. Hydroxides; Carbonates
Alkali
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To make neutral
Neutralise
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A compound containing a metal and non metal e.g. Sodium Chloride; Lithium Bromide
Salt
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An equation showing a chemical reaction written in words
Word equation
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An ACIDIC gas that is toxic and corrosive
Hydrogen chloride gas
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A poisonous gas that smells of rotten eggs
Hydrogen sulphide gas
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Number 17 in the periodic table, green gas, bleaches, cleans water by killing bacteria
Chlorine
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Removes colour, kills bacteria e.g. sodium hydroxide
Bleach
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A process that uses chalk (calcium carbonate), salt (NaCl) and coal to make the alkali, sodium carbonate. Highly polluting.
Leblanc process
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Acts of parliament passed in the UK to control levels of pollution.
Alkali Acts
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Small, tiny organisms that can only be seen using a microscope.
Microorganisms
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The process of adding chlorine to water to kill microorganisms, so it is safe to drink.
Chlorination
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Dead plants or animals
Organic matter
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Splitting a chemical into its elements by passing a current through it
Electrolysis
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Poisonous
Toxic
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Gather, collect together, increase in amount
Accumulate
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Man-made
Synthetic
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Organic compounds that don’t break down in the environment for a long time.
POPs - Persistent organic Pollutants
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Shaped by being forced through a mould
Extruded
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A factory for burning rubbish and generating electricity
Incinerator
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Disposing of rubbish in holes in the ground
Landfill
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The movement of a plasticiser into water or another liquid.
Leach
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A chemical used as a plasticiser
Phthalates
41 of 43
A way of analysing the production, use and discard of material or a product.
Life cycle assessment
42 of 43
Materials that are broken down into the environment by microorganisms
Biodegradable
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Other cards in this set

Card 2

Front

Material that is magnetic – attracted to a magnet

Back

Magnetism

Card 3

Front

Rocks formed in layers

Back

Preview of the front of card 3

Card 4

Front

Small particles of a substance – e.g. sand

Back

Preview of the front of card 4

Card 5

Front

The remains of plants or animals in stone

Back

Preview of the front of card 5
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