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Listed under:  Science  >  Matter  >  Properties of matter
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 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 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.

Moving Image

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.

Moving Image

Dyeing with red cabbage!

Many natural products, such as red cabbage and turmeric, can be used as a natural source of colour to dye fibres. Watch the dyeing demonstration in this clip to see how. Discover the chemistry of natural dyes, including the bonding properties of different pigments and how acid-base reactions can alter the colour of pH-sensitive ...

Interactive resource

Kitchen chemistry: experiment and mystery: level 1

Test the physical properties of kitchen substances such as pepper, detergent and butter. See whether they float or sink, foam or dissolve in hot or cold water. Test whether stirring makes a difference. Test and identify two substances such as cream or peanut butter. This learning object is a combination of two objects in ...

Interactive resource

Kitchen chemistry: experiment and mystery: level 2

Test the physical properties of common substances such as salt, detergent and cream. See whether they float or sink, foam or dissolve in hot or cold water. Test whether stirring makes a difference. Test and identify three mystery substances such as honey, shampoo or methylated spirits. This learning object is a combination ...

Interactive resource

Kitchen chemistry: experiment: level 1

Test the physical properties of kitchen substances such as raw sugar, olive oil or salt. See whether they float or sink, foam or dissolve in hot or cold water. Test whether stirring makes a difference. This learning object is one in a series of four learning objects. The series is also packaged as two combined learning objects.

Interactive resource

Kitchen chemistry: experiment: level 2

Test the physical properties of kitchen substances such as cream, detergent or bicarbonate of soda. See whether they float or sink, foam or dissolve in hot or cold water. Test whether stirring makes a difference. This learning object is one in a series of four learning objects. The series is also packaged as two combined ...

Interactive resource

Kitchen chemistry: solve the mystery: level 1

Test the physical properties of two unknown kitchen substances such as cream or olive oil. See whether they float or sink, foam or dissolve in hot or cold water. Test whether stirring makes a difference. Look up a data table of known properties and identify the unknown kitchen substances. This learning object is one in ...

Interactive resource

Kitchen chemistry: solve the mystery: level 2

Test the physical properties of three unknown kitchen substances such as detergent, cream or olive oil. See whether they float or sink, foam or dissolve in hot or cold water. Test whether stirring makes a difference. Look up a data table of known properties and identify the unknown kitchen substances. This learning object ...

Interactive resource

What the world is made of

Use the 'particle model' to explore properties of matter. Compare the arrangement and movement of particles in the three phases of matter: solids, liquids and gases. Explore how substances can change between the three phases. For example, look at what happens when water changes state through a physical process such as melting ...

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 ...

Interactive resource

Mystery substances: pure substances

Solve crimes by identifying pure substances. 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 ...

Interactive resource

Mystery substances: pure and mixed substances

Solve crimes by identifying pure substances and components of mixtures. 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 ...

Interactive resource

Mystery substances: find the culprit

Solve crimes by identifying pure substances and components of mixtures. Carry out chemical tests on a mystery substance such as salt, baking soda or sugar. Observe and record how a substance reacts with a range of liquids and to heating. Refer to a data table of chemical properties and use it to match a mystery substance ...

Interactive resource

Mystery substances: emergency case

Solve crimes by identifying pure substances and components of mixtures. Carry out urgent 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 heat. Build up a data table of chemical properties and use it to match a mystery substance ...

Interactive resource

Mystery substances: mixed substances

Solve crimes by identifying substances in mixtures. Carry out chemical tests on a mixture of common substances such as salt, baking soda and sugar. Observe and record how each substance reacts with a range of liquids and to heating. Refer to a data table of chemical properties and use it to match mystery substances found ...