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Listed under:  Science  >  Matter  >  States of matter  >  Gases
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Change of state: liquid to gas

Substances exist in different states depending on the temperature. Watch the Surfing Scientist have a popping good time as he demonstrates this phenomenon. Don't forget to block your ears!

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Carbon dioxide (CO2) fire extinguisher

Different types of chemical reactions are used in many everyday products. Watch this clip to see how two common household substances can be combined to create an 'Invisible Candle Extinguisher'.

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Properties and behaviour of gases

All substances are made up of tiny particles. A change in temperature can change the way these particles behave. Watch as the Surfing Scientist demonstrates how a gas behaves when it is heated. Find out whether the balloon gets sucked or pushed into the bottle!

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Steam or just a load of hot air?

Take a journey with two 2013 Sleek Geeks Eureka Science Schools Prize finalists, as they present their take on the history of steam power. See how they link steam power, the properties of water and the way energy is converted. WARNING: if flickering light affects you, you may be best to avoid watching this video.

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Magic tricks revealed using chemistry

Some magic tricks, such as disappearing ink or candles that won't blow out, can be explained by chemistry. In this clip, three classroom chemistry experiments demonstrate that some familiar magic tricks rely on acid-base chemical reactions, and the properties and behaviour of gases. Watch closely if you've ever wanted to ...

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 ...

Interactive resource

Mine rescue

Rescue three miners trapped by fire. Select and test gases to find out which gas will put out the fire and which gas the miners can breathe.

Tablet friendly (Interactive resource)

Types of matter: solids, liquids and gases

Select samples from an outdoor setting. Magnify the substances to atomic level so that the particles they consist of can be seen. Sort the substances into groups based on how the particles are arranged and how they move. Classify the substances as solids, liquids or gases. For example, classify argon as a gas and ice as ...

Interactive resource

The Bunsen flame

Find out which part of a bunsen burner flame is hottest and which part is coolest. Place a wire gauze over four different parts of the flame. Observe the changes to the wire gauze. Capture images of your tests to make a record of your findings. Then answer the conclusion questions to sum up the findings.

Teacher resource

'If we shadows have offended ...' - unit of work

This unit focuses on the practical, fully realised theatrical discovery of Shakespeare’s comedy 'A midsummer night’s dream'. Through a range of reading, writing and workshop opportunities, students explore the language, structure, story and presentational performance techniques of the Bard’s magical script, before trying ...

Teacher resource

Using 'Transforming Shakespeare: Romeo and Juliet' - Teacher idea

Students look closely at key scenes from 'Romeo and Juliet'. They extend their knowledge of Shakespeare, explore themes, characters and his use of language and dramatic technique, perform key speeches and scenes, and transform a scene to email. This Teacher idea is based on R11474 'Transforming Shakespeare: Romeo and Juliet ...

Teacher resource

All this can I truly deliver - unit of work

In this unit of work, students explore William Shakespeare's 'Hamlet' in great detail. The unit focuses on Shakespeare's development of relationships, exploration of universal themes, and unparalleled use of imagery. Students will work closely with the play's text to identify and integrate evidence to support their findings. ...

Teacher resource

Shake speak - unit of work

This unit of work explores the language, characters and themes in Shakespeare's 'Romeo and Juliet'. The unit was originally devised and taught at Thursday Island State High School, and embeds Indigenous perspectives, focuses on active learning and incorporates educational technology.

Interactive Resource

Science Talk 2007: Ruben Meerman

Find out what happens when the ABC's Surfing scientist, Ruben Meerman visits Year 3 at Crown Street Public School with some liquid nitrogen! Ruben shows the Year 3 students what happens to solids and gases when they are cooled and warmed and relates this to real-world phenomena. Ruben also shows the kids some tricks with ...