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Listed under:  Science  >  Life  >  Ecosystems
Interactive

Interdependence

Students use this resource consisting of eight slides with diagrams, written explanation and voice-over to understand what is a community and how different organisms within a community depend on each other for their survival. There is a two-question quiz and a summary slide.

Video

Wine-grape growing and climate change

View vineyards of the Yarra Valley region of Victoria in a news clip from 2006 and discover a warming climate's consequences for the region's wine-grape growers. This clip examines some of the ways these growers can adapt to climate change. An environmentalist also gives views on climate change and issues politicians with ...

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Sunfish seekers

This ABC In Depth feature article is an interesting and lengthy account of this highly unusual fish and the reason it is threatened, despite its enormous reproductive capacity. Issues with difficulty in tracking these animals and the need for further research are explained.

Video

The Reaction of Metals with Acid

Students use this simulation to learn that react with hydrochloric acid to produce salt and hydrogen and find out how to test for hydrogen gas. The notice that sodium reacts violently and that magnesium reacts more quickly than zinc but that the hydrogen gas test is positive for both. Word equations are provided for all reactions.

Interactive

Acid Base Reactions

Students use this resource consisting of eleven slides with diagrams, written explanation and voice-over to understand that different bases react with acids and how word and chemical equations summarise the reactions. There is a two-question quiz and a summary slide.

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Food bowl or dustbowl?

This ABC In Depth feature article deals with the complex political, economic, scientific and legal issues associated with the management of the Murray-Darling Basin. This resource deals with important issues but is dated to 2008.

Audio

Solar thermal electricity

This program gives an update on research into solar thermal electricity. Liddell Power Station in the Hunter Valley, NSW is a hybrid power station using solar energy to pre-heat water and so reduce the use of coal and the production of carbon dioxide. Some scientists claim that harnessing the solar heat in an area 50km ...

Video

Argo floats

This minute video segment from Catalyst decade ago describes the Australian initiative, Argo, that has become a major international collaborative project to look at the world's oceans and help understand processes at depth - monitoring the pulse of the global heat balance and giving us vital information on the ocean's role ...

Interactive

pH scale

Students use this resource consisting of eight slides with diagrams, written explanation and voice-over to understand that pH is a measure of the strength of an acid or alkali and how to interpret the colours of universal indicator solution. There is a two-question quiz and a summary slide.

Interactive

Everyday Neutralisation Reactions

Students use this resource consisting of nine slides with diagrams, written explanation and voice-over to understand everyday neutralisation reactions. There is a two-question quiz and a summary slide.

Video

Structures and Bonding

This simulation allows students to explore the chemical reactions between hydrogen, oxygen, carbon, nitrogen and chlorine. They can form water, carbon dioxide, hydrochloric acid, ammonia and methane. Word and chemical equations are provided. The diagrams distinguish single, double and triple bonds and shapes of molecules.

Video

Uranium Minerals

This 7 minute video segment from Catalyst describes how a unique deposit of beautiful crystals containing a high quantity of uranium in a safe form has been found in country Victoria. It is hoped that it may provide clues for the long term storage of nuclear waste.

Interactive

SunSmart Millionaire

An interactive quiz game that engages students to learn about sun safety. Students can use this resource to also access information about the scientific method of investigation and information about electromagnetic radiation, skin and cancer. This resource also allows students to develop their information processing skills ...

Image

Simple ecosystem diagram

This is a colour graphic representing the energy and nutrient flow in a simple food chain. The Sun and organisms making up the food chain are represented in diagrammatic form. The graphic is labelled and a key to the colour-coding of energy and nutrient flows is included.

Video

Bryozoans' role in the ecosystem

This is a colour video clip of marine scientist Associate Professor Abby Smith discussing the role bryozoans play in marine ecosystems. The clip shows Abby Smith, a teacher and researcher at the University of Otago, New Zealand, being interviewed. The clip also shows underwater photos of bryozoans, fish and corals.

Video

What is an ecologist?

This is a colour video clip in which marine ecologist Associate Professor Stephen Wing of the University of Otago talks about the work of ecologists. He gives an overview of the types of questions that are investigated by ecologists and explains why he enjoys his work. Photographs of marine organisms and ecologists at work ...

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About evapotranspiration

This resource is a Bureau of Meteorology (BOM) web page about evapotranspiration. The resource explains what evapotranspiration is and provides information about how the Bureau's evapotranspiration values have been calculated. It explains how to access the Bureau's daily evapotranspiration maps and tables, provides information ...

Online

Recent evapotranspiration

This resource is a Bureau of Meteorology (BOM) web page with a map of Australia showing daily reference evapotranspiration and also tables of daily transpiration for each Australian state and the Northern Territory. Monthly data is available via the location links in the tables for each state.

Online

How is a frog able to swim in trees?

This is a teaching-learning resource containing teaching strategies and student activities about the dependence of plants and animals on each other and the environment for survival. The resource has seven tabs, six of which are relevant. The first four set out the steps in the suggested pedagogical sequence and include ...

Online

Climate educator guide, activity 2: the carbon cycle

This is a teaching-learning resource containing teaching strategies and a student activity about the carbon cycle and how carbon in the atmosphere is connected to living things. The resource has six tabs, five of which are relevant. The first tab provides information about the carbon cycle and the second provides an activity ...