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Listed under:  Science  >  Matter  >  Properties of matter  >  Phase transformations
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.

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.

Interactive resource

What the world is made of: changes of state

Explore how substances can change between the three phases of matter: solids, liquids and gases. Look at what happens when water and chocolate change state through a physical process such as melting or freezing. Compare the heat flow in melting and freezing. This learning object is one in a series of six objects. The series ...

Interactive Resource

Melting and Boiling Point

Students use this resource consisting of eight slides with diagrams, written explanation and voice-over to understand what happens, in terms of energy and particle movement, when a substance changes state from solid to liquid to gas. There is a two-question quiz and a summary slide.

Teacher resource

Primary Connections: Melting moments

This is an extensive teaching unit focused on learning, through a collaborative, inquiry-based approach, how a solid is affected by heating and a liquid by cooling. It includes comprehensive lesson plans, as well as student handouts and other teaching resources, for seven structured lessons that form an integrated sequence ...

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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 ...

Collection

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 ...

Collection

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.

Collection

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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Distillation

This is a colourful animated sequence of four screens with a voice-over that explains to students how distillation can be used to separate solutions. Scientific concepts such as solution, solute, solvent, boiling point, evaporation and condensation form part of the explanation.

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Boiling liquid nitrogen at freezing temperatures

Explore some of the amazing properties of liquid nitrogen with Ruben the Surfing Scientist. Find out how Ruben proves that liquid nitrogen is very very cold. See the effect of adding liquid nitrogen to water.

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Name these mystery objects

Compete in a game show against characters Einstein and Pythagoras to identify three different mystery objects. Each of the objects is the end product of a science demonstration. Compare your ideas and predictions with the host Bernie Hobbs's identification of the objects and her explanation of the science behind them.

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Raiders of the lost Anti-Bubble

Doctor Ruby and Bunsen Bernie are bubble hunters in search of the mysterious Anti-Bubble. Before they can enter into the Chamber of the Anti-Bubble, they must pass three challenging bubble tests. This is part one of a two-part episode.

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The secret chamber of the Anti-Bubble

Bubble-hunters Doctor Ruby and Bunsen Bernie have to solve just one more challenging bubble test before they can enter the Chamber of the Anti-Bubble. They have to make a cubic bubble! This is part two of a two-part episode.

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Amazing properties of water

Discover the wonderful properties of water as Adam Spencer and Dr Karl track the change in melting ice as it moves from solid to liquid. Listen as Dr Karl explains the importance of water to the development of life on Earth.

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Picking up ice cubes with string

Imagine trying to pick up a slippery ice cube with just a piece of string. Watch the Surfing Scientist team demonstrate how it can be done, using a surprising additive.

Teacher resource

Primary science: authentic contexts

These seven learning activities, which focus on 'authentic contexts' 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 engage their students' interests, ...

Teacher resource

Primary science: scientific inquiry

These seven learning activities, which focus on 'scientific inquiry' 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 facilitate the procedures ...

Teacher resource

Primary Connections: Change detectives

This comprehensive teacher resource explores melting, evaporating, dissolving, burning and chemical reactions through a series of collaborative inquiry-based learning activities. The factors that influence the rate of change are developed through hands-on activities and student-planned investigations, and physical and chemical ...

Interactive resource

Mystery substances: training

Carry out chemical tests on common substances such as salt, baking soda and sugar. Observe and record how each substance reacts with a range of liquids and to heating. Build up a data table of chemical properties and use it to match mystery substances found at crime scenes. This learning object is one in a series of five ...