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Listed under:  Science  >  Matter  >  Atoms
Interactive resource


This learning object provides simple animations that illustrate the nature of paper, water and the structure of the atom. There is a self test and also ideas for further research. These are accompanied by a timeline of discoveries about the atom, and a pdf document ‘Nanotechnology’. The object requires Adobe Flash Player ...


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.


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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Amazing materials from rearranged carbon atoms

Explore the different forms (allotropes) of the chemical element carbon. You will be surprised at how different the allotropes are.Meet key scientists, such as Harry Kroto, who have made amazing discoveries about new forms of carbon. Visualise how the atoms and outer electrons are arranged in different forms, so you can ...

Interactive Resource

Laptop wrap: Modelling atoms

A page with a focus on exploring different models of the atom. Includes tasks to present models of the atom.

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How do touchscreens work?

Ever wondered how swiping your finger makes a touchscreen work? In this animation, see how invisible electric fields mess with your finger so your phone can pinpoint what you're touching.

Interactive resource

Physical science: nuclear decay

Discover what happens to the nuclei of atoms during nuclear decay. Play simulations of different types of nuclear decay affecting atoms of different elements. Using the atomic numbers and mass numbers of the atoms, write hypotheses predicting the particles emitted and the daughter nuclei of the decay. Test your understanding ...

Teacher resource

Atomic structure and properties - Teacher idea

This Teacher idea explains how year 10 students were introduced to the periodic table, atomic structure and chemical properties. Learning objects were used during the introductory sessions to assist students in understanding and engaging with these challenging concepts. It includes a unit of work developed and trialled ...



This is an information sheet about meteorites, covering their sources, composition, classification, systems of naming and Australian laws governing their ownership.


VisChem topic 7: intermolecular forces

This web page contains animations demonstrating situations in which dispersion forces, ion-dipole forces and hydrogen bonding occur. Several animations show hydrated ions, and the effect of hydration on dissolving and reaction rates is discussed in explanatory text. A document containing lesson plans and student worksheets ...


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.


VisChem topic 10: reactions of carbon compounds

This web page contains animations showing reaction mechanisms for organic substitution, addition and elimination reactions. For most reactions there are two animations, one showing molecular models, and the other showing structural formulas with movement of electrons as bonds are rearranged.


VisChem topic 13: redox reactions

This web page contains a video, animations and a student worksheet investigating the redox reaction between copper metal and silver ions. The animations show important molecular-level segments from the video.

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Gamma rays and space balloons

Have you ever wondered how scientists know so much about the universe when it's too far away to see and no one has ever been there? It's not just by using telescopes based on Earth. Watch as an international team of astrophysicists and engineers attempt to launch a balloon high into the atmosphere, loaded with expensive ...

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Large Hadron Collider discovery, 2012

Have you heard of the Large Hadron Collider (LHC)? Watch this clip to find out about a scientific discovery at the LHC that left physicists uncharacteristically emotional. Catalyst's Dr Derek Muller takes you inside the LHC and talks to scientists there about the discovery of the Higgs boson and what it means for our understanding ...

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Exploring nanotechnology

Peter Binks, CEO of Nanotechnology Victoria, answers the question 'How does nanotechnology work?' Discover what nanotechnology is and see several examples in action, such as scratch-resistant paint used in the car industry. Consider future applications of nanotechnology in areas such as sports, health care, clothing and cleaning.

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Nano-engineering: science fiction or reality?

Explore the amazing field of nano-engineering. Imagine being able to construct molecular-sized machines that could do specific tasks like carrying out nano-surgery on damaged cell structures in your body. Decide for yourself what might be possible and what might just be science fiction.

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Japanese tsunami's nuclear threat, 2011

Remember the earthquake and following tsunami that hit Japan in March 2011 and damaged a nuclear power plant? Find out about the damage caused, what exploded and why, and the aftermath of the disaster. What debates about nuclear power plants were reignited by the events in Japan?

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The surface tension of water

Imagine you could walk on water! Some insects can do just that. Watch as the Surfing Scientist uses a paperclip and a glass of water to demonstrate how this is possible.

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Electromagnetic radiation

Do you know how radios transmit sound, or how ultraviolet light travels through the air? Listen to Bernie Hobbs explain electromagnetic radiation and discover what radios, ultraviolet light, x-rays and nuclear blasts have in common. Find out about their energy levels, how they travel from place to place, and at what speed, ...