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

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 ...

Image

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 ...

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. ...

Interactive resource

Fair test: growing peas

Run experiments in a plant research laboratory. Investigate the effects of different variables on the growth of peas. 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. This ...

Interactive resource

Fair test: growing lettuce

Run experiments in a plant research laboratory. Investigate the effects of different variables on the growth of lettuces. 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. ...

Interactive resource

Where do frogs lay their eggs? [includes spoken instructions]

Explore freshwater environments to find out where native frogs live and breed. Follow a frog's life cycle. Identify habitats suitable for frogs to lay eggs. Compare the ecology of native frogs with introduced toads.

Interactive resource

River journey [no 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.

Interactive resource

Water types [no 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

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.

Image

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.

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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.

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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 ...

Image

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 ...

Image

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. ...

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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.