Search results

Listed under:  Science  >  Life  >  Ecosystems  >  Biogeochemical cycles  >  Carbon cycle
Interactive

Science Talk 2007: Jeremy Leggett

An interview with Dr Jeremy Leggett, global environmental expert from Solarcentury in the UK. Jeremy talks to a teacher from Leumeah High School about global warming, fossil fuels and the design of carbon neutral buildings.

Interactive

Acids and Alkalis

Students use this resource consisting of five slides with diagrams, written explanation and voice-over to understand how to use indicators to classify solutions as acidic or alkaline. There is a two-question quiz and a summary slide.

Text

Forest learning: How is carbon stored?

This resource is a ten-page pdf produced by Forest and Wood Products Australia about the role forests play in reducing climate change. It includes sections on: properties of carbon; how carbon is cycled in ecosystems; the chemical formula for photosynthesis; and calculating CO2 stored in trees. The resource also includes ...

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.

Audio

Chemicals on the Great Barrier Reef

This program deals with a range of human impacts on the Great Barrier Reef. Herbicides from land runoff have been traced to algae and sea grasses in river mouths and coastal zones along the Great Barrier Reef. Effects include retardation of photosynthesis and growth of corals. Other pressures on the reef include high water ...

Interactive

Making a Salt Using an Insoluble Base

Students use this resource consisting of five slides with diagrams, written explanation and voice-over to understand how to prepare a neutral salt sample from an insoluble base. There is a two-question quiz and a summary slide.

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.

Video

Water recycling

This 11 minute video segment from Catalyst provides an excellent explanation of the processes involved in recycling sewage for an urban water supply. It also provides a range of opinions and concerns in an excellent debate on the topic.

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.

Audio

Water-powered engine theories need hosing down

This ABC article by Dr Karl addresses the question: will we one day be able to power cars with water? The chemical reactions involved in the formation and decomposition of water are described. Energy transformations are explained. A very useful resource to get students thinking.

Video

Carbon country update

This five and a half minute video segment from Catalyst discusses the potential to manage controlled burning in Arnhem that reduces frequency of wildfires to provide other benefits. The potential to turn this into economic benefits from carbon trading is explored and the science investigations that will first be essential.

Text

Coal and its uses

Find out where we get the coal that powers our homes and industries. This is a PowerPoint presentation outlining how coal is formed, mined, processed and used. All slides contain images or maps. Teachers' notes are included.

Interactive

Sites2See: What is climate change?

A page to address the question What is climate change? from the definition, to the Intergovernmental Panel on Climate Change (IPCC) as the foremost authority, and selected links covering aspects of that question with games, graphics, activities, information sites, resource packs and video interviews, for teachers and students. ...

Video

Rob Harcourt

This 6 minute video segment from Catalyst highlights a number of diverse investigations that are part of the work of a marine biologist. It uses an incredible collection of photographs to inform and inspire people about conservation.

Text

Low-carb cars

This ABC In Depth feature article explores the electric car as an alternative to petrol and diesel vehicles, with a brief reference to hydrogen powered cars. This article is comprehensive, but it is dated at 2008.

Video

Coal Gas

This 12 minute video segment from Catalyst outlines how for decades, scientists have worked to develop technologies that can unlock the energy from coal while reducing the risks of digging it up and burning it. Now entirely new industries are booming as they tap into coal seams either too gassy or too deep to be mined by ...

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.

Text

Integrated gasification combined cycle

Find out how emissions from coal-burning can be reduced by turning the coal into syngas. This is a fact sheet describing methods of coal gasification, and how the resulting syngas can drive a combined cycle power generator. It lists the advantages of the technology, including lower emissions and increased efficiency, as ...

Text

Coal seam gas

This fact sheet provides information about how coal seam gas or methane is extracted and used as an energy source. It describes several coal seam gas operations in the Bowen and Surat Basins in Queensland. Several photographs and a map of projects in the Surat Basin are also included.