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Listed under:  Science
Collection

VisChem topic 9: physical properties of water

This web page contains a video, animations and a student worksheet exploring the influence of structure and bonding on the physical properties of water. Two animations showing structure and bonding in oxygen are provided for comparison.

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Greenhouse effect tips toward climate catastrophe

Follow the carbon atom, the central character in this story about oil, as it is released as carbon dioxide into the atmosphere and contributes to the greenhouse effect. See how other events like melting glaciers amplify that effect and contribute to an increasingly overheated climate. Learn about what might tip us over ...

Collection

VisChem topic 8: chemical properties of water and aqueous solutions

This web page contains video clips, animations and student worksheets that investigate the chemical properties of water and aqueous solutions. The major topics cover the structure and bonding of water, acids and bases, dissolving, ionic solutions, precipitation and complexation.

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Oil from super-greenhouse events

Why did most of the world's oil deposits form at a specific prehistoric time? Learn how overheated super-greenhouse climates caused vast stretches of the world's oceans to stagnate and become depleted of oxygen. Discover the connection between these anoxic events and Earth's oil reserves. Watch scientists investigating ...

Collection

VisChem topic1: chemical bonding in pure substances in different states

This web page contains a collection of animations depicting copper, sodium chloride, water and oxygen at the molecular level. The animations show the arrangement of atoms, molecules and ions in solid, liquid and gaseous states as well as illustrating changes of state. Two animations demonstrate alternative methods of representing ...

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VisChem topic 3: precipitation of an ionic salt

This web page contains a video clip, animations and student worksheets exploring the precipitation of silver chloride. The video has both filmed and animated scenes showing the process at observational and molecular levels. It explains how the reaction can be represented by a chemical equation.

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VisChem topic 2: dissolution of an ionic salt

This web page contains a video clip, animations and student worksheets exploring the dissolving of ionic solids in water. The video clip has both filmed and animated scenes that compare the dissolving of sodium chloride with melting and show how the dissolving process can be represented by chemical equations. Important ...

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VisChem topic 4: energy in chemical reactions

This web page contains a video and animations exploring the distribution of molecular kinetic energy in solid, liquid and gaseous water, as well as the changes in chemical energy during reactions. Four animations depict the reaction mechanisms and energy profiles involved in organic substitution reactions.

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VisChem topic 6: molecular structure, shape and polarity

This web page contains ten animations of molecules and compound ions as well as nine QTVR objects showing organic molecules. The animations rotate the molecules to show their structure fully. The QTVR objects can be manipulated by the user so that, as well as being rotated, different ways of modelling the molecules can be seen.

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Declining forests of Giant Kelp

Imagine diving between giant kelp that reach more than 30 metres from the bottom of the ocean to the surface. The east coast of Tasmania is one of the few places in the world where these underwater forests exist. But how much longer will they survive? Watch this clip to find out why these magnificent ecosystems are disappearing ...

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Pseudofossils: concretions and dendrites

This is an information sheet providing an introduction to different varieties of rocks and minerals that might be mistaken for fossils. It is also available as a two-page pdf file for download.

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Victorian marine fossils

This is an information sheet that provides a summary of the major kinds of invertebrate fossils found in Victoria. The sheet is available as a PDF for download.

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VisChem topic 14: structure and properties of carbon compounds

This web page contains QTVR objects showing aspects of the structure of selected organic molecules. The QTVR objects can be manipulated by the user so that, as well as being rotated, different ways of modelling the molecules can be seen.

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Thinning ice sheet

Discover that that the massive ice sheet in East Antarctica has been losing mass since 2006 instead of growing, as was previously thought. Watch animations to see how scientists from NASA and Australia are using satellite technology and aerial monitoring to investigate the thickness of East Antarctica's ice sheet. Find ...

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Management of the northern savanna

Around the world, tropical savannas are in serious trouble. This clip from 2007 explores the use of Aboriginal technology for sustainable management of the environment in Australia's huge northern tropical savanna. Hear from two environmental scientists why traditional fire-management practices may reduce the incidence ...

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A haven in the harsh desert heat

Watarrka National Park in central Australia is home to many plants and animals. Here, Kings Canyon, with its high sandstone walls, is a haven for rare and ancient plants. Temperatures soar in the desert but many different lizards thrive here. Venture deep into the Red Centre and discover why this is an important environment ...

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Discover the Daintree's secrets

The Daintree in Tropical North Queensland is a place of high rainfall that feeds clear creeks that flow through the rainforest. Explore the Daintree's waterways by canoe and discover just some of the many plants and animals that live there. Rise above the lush, tree-top canopy in a giant crane to view this tropical rainforest ...

Teacher resource

Secondary science: visual representations

These seven learning activities, which focus on 'visual representations' using a variety of tools (software) and devices (hardware), illustrate the ways in which content, pedagogy and technology can be successfully and effectively integrated in order to promote learning. In the activities, teachers assist students to understand ...

Interactive resource

Who lives here?

Search a rainforest habitat in north-east Australian for clues about animals that live there. Track down hidden animals. Find clues such as animal sounds, tracks and shadows. Check species descriptions to identify which animals might live in the area. Write a survey report including observations and conclusions.

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Mini-beasts

This collection of 24 digital curriculum resources is organised into categories of insects, arachnids, centipedes and crustaceans, with descriptions of their sometimes bizarre body features and behaviours in a category titled body structure and adaptations. Colour photographs, scientific illustrations and close-up microscope ...