Algae – simple plants that mostly live in water.
Black water – the water and waste that comes from toilets.
Debris – alternative word to litter, solid waste that has escaped into the environment causing pollution.
Grey water – the water and waste that comes from the shower, bath, kitchen sink and laundry.
Intertidal zone – the area along the coast between high tide and low tide.
Litter – solid waste that has escaped into the environment causing pollution.
Marine – a word that describes the marine environment.
Mulch – organic plant material used to cover the ground and gardens.
Ocean – the large and deep areas of the sea.
Oil – a thick liquid that floats on water.
Plastic – a material manufactured from oil that can last for many years.
Pollution – solid, liquid or gas substances that can damage animals, plants or ecosystems.
Rubbish – waste that is being disposed of correctly so it will not become litter.
Sea – often refers to the shallower areas around coasts.
Sediment – soil and dirt particles that have settled out of the water at the bottom of a waterway.
Sewage – the black water from toilets that is going to be treated in a sewerage facility.
Stormwater – rainwater flowing downhill towards the closest waterway.
Stormwater drain – underground pipes that gather stormwater to prevent local flooding.
Stormwater pond – ponds with aquatic plants that collect stormwater and reduce the pollution in the water before it is released in waterways.
Tide – the movement (vertical) of water due gravitational pull of the moon and sun.
Trash – American alternative word to rubbish, but sometimes the word is misused and refers to litter.
Waste – any materials that are no longer wanted for their original purposes.
Waterway – any body of sea, freshwater or brackish water.
Zooplankton – microscopic animals that live in water.