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Indigenous
Native to (comes from) a particular area or environment.
Ingots
Large blocks of steel, created at the end of the steel-making process.
Insecticide
A substance used to kill or stop the growth of insects.
Invertebrates
Animals without backbones. The majority of animal species are invertebrates,
eg insects, spiders, worms, corals, sponges and jellyfish.
Iron oxide
A chemical found in many rocks, which is formed by iron reacting with
oxygen. Also known as rust.
Irrigation
Supplying water to land or crops to help plant growth.
Landfill / Landfill Site
Disposal site for solid waste, where waste is buried and covered over
with soil.
LDPE
A type of plastic - low density polyethylene - used to make products
like grocery bags and trash can liners.
Leachate
Liquid containing contaminants from a landfill site.
Lead
A heavy metal that is harmful is breathed or swallowed.
Limestone
A hard rock containing calcium carbonate that is used as a building
material and in the making of glass and cement.
Mammal
An animal that feeds its babies milk. It has warm blood and breathes
air, has a backbone, and usually has hair or fur.
Managanese
A hard grey metal which is an important ingredient in special steels
and magnetic alloys.
Mercury
A heavy metal that can build up in the environment and is very harmful
if breathed or swallowed.
Methane
A natural gas produced when plant or animal matter breaks down. It is
one of the major greenhouse gases and can be collected to produce biomass
energy.
Microbiological
Any process that involves micro-organisms.
Micro-organisms
A microscopic organism, such as a bacteria, virus or fungus.
Molecule
A group of atoms bonded together. It is the smallest particle of any
substance that can react with another substance.
Material Recycling Facility
A facility where solid waste is sorted out for recycling
or disposal in landfill.
Mulching
Putting a layer of plant material (like straw, dead leaves or woodchips)
around plants to hold moisture, stop weeds going and add nutrients to
the soil.
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