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
2 of 43
Rocks formed in layers
Sedimentary rocks
3 of 43
Small particles of a substance – e.g. sand
Grains
4 of 43
The remains of plants or animals in stone
Fossils
5 of 43
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
11 of 43
Molecules or particles arranged in an even way
Crystalline
12 of 43
To separate a solid from a liquid
Filter
13 of 43
A chemical added to a polymer to make it more flexible
Plasticiser
14 of 43
Spin liquids very fast to separate the solids
Centrifuge
15 of 43
The sinking of the ground’s surface
Subsidence
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Mixtures of chemicals that make things taste nice
Flavouring
17 of 43
An idea
Theory
18 of 43
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
24 of 43
Number 17 in the periodic table, green gas, bleaches, cleans water by killing bacteria
Chlorine
25 of 43
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
27 of 43
Acts of parliament passed in the UK to control levels of pollution.
Alkali Acts
28 of 43
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
30 of 43
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
39 of 43
The movement of a plasticiser into water or another liquid.
Leach
40 of 43
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
View more cards

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