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Listed under:  Science  >  Matter  >  Chemical compounds  >  Inorganic compounds  >  Inorganic hydrides  >  Water  >  Salinity

Water de-salting kit, 1944

This is a water de-salting kit manufactured from resin, plastic and paper by Permutit Company, USA, in 1944. The kit comprises a lidded rectangular tin with printed text, a paper bag containing mending tape, a plastic drinking bladder and five paper-wrapped rectangular blocks of salt-removing chemicals. White twine has ...


Map of ocean salinity

This is a colour map showing the variation in salinity (salt content) of the oceans across the Earth. Increments in salinity are shown in colours ranging from light blue to red. A legend is included.

Moving Image

How does desalination work?

Perth's water supplies are under pressure. The reason: declining rainfall in the southwest of Western Australia. In this clip, join Peter Rowsthorn as he tours a desalination plant and investigates how to turn sea water into drinking water. With similar plants popping up around Australia, will desalination be the solution ...

Moving Image

The construction of TV news

Have you ever thought about how a news clip is put together? It's a process of carefully combining a range of audio and visual conventions to present information in a way that seems unbiased. Use this ABC News clip to explore some of the features of TV news.

Teacher resource

Primary Connections: Rising salt

This comprehensive teacher resource focuses on how soil salinity affects the growth of plants. Students engage in hands on activities, growing their own plants under different conditions and observing the effect of different levels of salinity in their soil. They consider the causes of salinity in Australian soils and the ...


Scientific research in Antarctica in 1966

This is a black-and-white photograph showing a man studying and photographing ice and snow crystals at Mawson station in Antarctica in 1966.


Sign pointing to water, Murray River, 1946

This is a black-and-white photograph of a man standing with his hands in his pockets, quizzically gazing at a sign pointing to water. The sign is sticking out of arid, desert-like ground.


Dryland salinity at Boorowa, 2001

This is a colour photograph showing a saline seep, an area of land affected by dryland salinity, where the watertable has risen to the surface. It was taken near Boorowa in New South Wales, about 115 km to the north of Canberra. In the foreground is an area of dried-up and cracked earth, with two dead trees in the middle ...


Western Australia Condenser Company, c1895

This is a black-and-white photograph, measuring 15 cm x 20 cm, of a water condenser, which was manufactured by the Western Australian Condenser Company. The manufacturer's name is inscribed at the bottom of the photo. The condenser was installed and working near Coolgardie around 1895. The words 'Tuckfield Patent' are visible ...


Mammoth government condenser at Coolgardie, 1902

This is a sepia photograph, measuring 8 cm x 27 cm, showing a huge condenser that was built by the Western Australian Government to supply fresh water to Coolgardie and to the railways, before the Coolgardie Water Supply Scheme designed by C Y O'Connor was opened. It shows ranks of boilers, chimneys and condensing units. ...


Outback lake from 'Our Country Our Future', 1989

This is a colour photograph showing a dramatic scene of a lake in the Australian outback. It is full of dry, leafless trees that are reflected in the water.


Least Said, Soonest Mended, 1999: Hide the shame

This clip shows Steve Thomas, the producer and director of the film, interviewing his mother, who polishes the silver tea service that she and her husband were given by their children for their 25th wedding anniversary in the 1960s. His mother laments that she and her husband felt that they could not have a party to celebrate ...


Singles Club, 2007: Ange and Annie

This clip shows Ange and Annie in Annie's Melbourne apartment as they discuss their developing relationship. Separate interviews show Annie explaining why she is involved in an 'open relationship' with Ange and Ange describing how the open relationship made him feel he was in 'limbo'. The couple are then shown discussing ...


Only the Brave, 1994: 'Everyone has to do it, Alex'

This clip shows the alienation and teenage angst of close friends Vicki (Dora Kaskanis) and Alex (Elena Mandalis). Arriving at Vicki's house to collect her friend, Alex silently observes the oppressive family atmosphere. Later on, in an abandoned train, the friends discuss a party they have been to and Vicki's busy social ...


Mum's the Word, 2003: 'How extraordinary we are'

This clip shows a lively and unselfconscious discussion among a group of five women about childbirth and partners' reactions to changes in women's bodies during and after childbirth. Led by the presenter, the women first describe their reaction to the experience of childbirth and the closer bond they feel with their own ...


'Ménage a trois' by Amelia Walker

'Ménage a trois' by Amelia Walker is a multidimensional poem that, read in the four different ways prescribed by the writer, describes the complexities of a love triangle. The poem is presented as three columns of text and invites the reader to create their own meanings by playing with the order of words, thus challenging ...

Interactive resource

River journey [includes spoken instructions]

Sample water along a river. Check water temperature, salinity, clarity and current speed. Link aquatic animals with their habitats according to water types.

Tablet friendly (Interactive resource)

Fair test

Run experiments in a plant research laboratory. Investigate the effects of different variables on the growth of lettuces, peas and tomatoes. Research the answers to questions about how to achieve optimum hydroponic growth conditions. Examine the effect of key variables on growth: nitrogen, temperature, light intensity and ...

Interactive resource

Water types [includes spoken instructions]

Test water samples for salinity levels and sediment content. The samples have been collected from five different places: dam, stream, river, river mouth and ocean. Compare the water properties, then match the samples with their original locations.

Interactive resource

Fair test: growing tomatoes

Run experiments in a plant research laboratory. Investigate the effects of different variables on the growth of tomatoes. Research the answers to questions about how to achieve optimum hydroponic growth conditions. Examine the effect of key variables on growth: nitrogen, temperature, light intensity and light duration. ...