Ollie Saves the Planet - Reduce, Reuse, Recycle and Rethink Info Section
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A substance added to soil to make it more fertile.

A chemical element which takes the form of a toxic, pale yellow gas.

A substance added to a furnace during metal smelting or glass-making which combines with impurities to form slag.

Fossil Fuels
Fuels created naturally beneath the Earth’s surface over long periods of time, from the remains of once-living things, eg coal, oil, and natural gas.

Fungus (Fungi)
Moulds, mildews, yeasts, mushrooms and other organisms which obtain their nutrients from decaying organic matter.


Information that is passed on from parents to their offspring, and determine the characteristics of that offspring.

Genetic diversity
The variety of different types of genes in a species or population.

Geothermal energy
Energy produced in geothermal power stations, where the natural heat from underground rocks is used to heat water, which is then used to produce electricity.

A hard, brittle substance, usually see-through, which is made by melting together sand, limestone and soda and then cooling quickly.

Global warming
An increase in the average temperature of the Earth, thought to be caused by the greenhouse effect.

A valuable yellow metal, known as a precious metal.

Greenhouse effect
A warming effect of the Earth’s atmosphere and surface, due to a build-up of greenhouse gases in the atmosphere.

Greenhouse gas
A gas which acts like the glass in a greenhouse, trapping heat in the earth’s atmosphere, to cause the greenhouse effect. Two of the most common greenhouses gases are carbon dioxide and methane.

The relatively clean wastewater that comes from baths, showers, sinks, washing machines and dishwashers.

Water held underground in the soil, or in pores and gaps in rock.


The place or places normally occupied by a particular species or population.

Hazardous waste
Substances that can significantly harm the health of humans or the environment if they are not handled and disposed of correctly. Household hazardous waste consists of hazardous products used and disposed of by residential consumers, rather than industry.

A brown stain in the lower atmosphere caused by particles such as dust and vehicle emissions.

A type of plastic - high density polyethylene - used for milk and detergent bottles.

Heavy metals
Metals which tend to accumulate in the food chain and can harm living things at very low concentrations. eg chromium, cadmium, mercury and lead.

Substances which may be given to meat-producing animals to help stimulate growth and increase meat production.

Electricity produced using water as an energy source.

Chemical compounds that consist entirely of carbon and oxygen.

A colourless, odourless gas which is highly flammable. Hydrogen is the most common element in the universe.

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