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Your search returned 88 results

Listed under:  Science  >  Life  >  Ecosystems
Video

Coal Gas

  • TLF-IDM016742

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 ...

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Interactive

Sites2See: What is climate change?

  • TLF-IDM016752

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. ...

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Interactive

What should I plant to balance my carbon footprint?

  • TLF-IDM016785

Discussion about the strategy if tree planting used to balance the impact of human activities and its effectiveness.

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Video

Argo floats

  • TLF-IDM016590

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 ...

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Video

Structures and Bonding

  • TLF-IDM016609

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.

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Interactive

Habitats

  • TLF-IDM016616

Students use this resource consisting of four slides with diagrams, written explanation and voice-over to understand the relationship between habitat and ecosystem and important factors in some habitats. There is a two-question quiz and a summary slide.

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Video

Cloud seeding

  • TLF-IDM016406

This nine and a half minute video segment from Catalyst describes how researchers from Monash University have hard evidence that cloud seeding can produce good amounts of extra rainfall. Data collected over a long period of time has give hope to scientists and environmentalists who are trying to reduce the impacts of droughts ...

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Interactive

Studying Habitats

  • TLF-IDM016170

Students use this resource consisting of four slides with diagrams, written explanation and voice-over to understand the type of observations and measurements that need to be made when studying an ecosystem. There is a two-question quiz and a summary slide.

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Video

Drought culprit

  • TLF-IDM016173

This 12 minute video segment from Catalyst is an excellent resource for students researching how oceans influence conditions on Earth's surface. It demonstrates the advantages and disadvantages of using models in science and how our understanding is open to revision as more information comes to light.

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Audio

Chemicals on the Great Barrier Reef

  • TLF-IDM016174

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 ...

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Interactive

Why is the ozone hole bigger in the less polluted southern hemisphere?

  • TLF-IDM016645

This article provides an excellent model of a scientific explanation. It addresses the question "if the atmosphere in the northern hemisphere is much more polluted than it is in the southern hemisphere, why is there an ozone hole in the south and not in the north?"

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Interactive

Making a Salt Using an Insoluble Base

  • TLF-IDM016213

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.

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Interactive

Sites2See: Forests

  • TLF-IDM016648

Online resources for Primary teachers, parents and students to celebrate and engage with the International Year of Forests 2011. Features selected links to games, information, videos and interactive resources for the study of trees and forests and broader issues of biodiversity and sustainability.

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Text

Weeds attack!

  • TLF-IDM016439

Weeds attack! is a web-based, multimedia resource with interactive learning activities aimed at preparing students to investigate a local weed of national significance. This is a hands-on project based on the Weed Warriors program. The resource models the activity of growing a bio control for bitou bush, using a games-based ...

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Video

Rob Harcourt

  • TLF-IDM016728

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.

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Interactive

SunSmart Millionaire

  • TLF-IDM016729

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 ...

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Interactive

Making a Salt Using an Acid and an Alkali

  • TLF-IDM016509

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

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Interactive

pH scale

  • TLF-IDM016526

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.

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Interactive

Acids and Alkalis

  • TLF-IDM016532

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.

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Video

Water recycling

  • TLF-IDM016539

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.

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