Science / Year 6 / Science Understanding / Chemical sciences

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Curriculum content descriptions

Changes to materials can be reversible or irreversible (ACSSU095)

Elaborations
  • describing what happens when materials are mixed
  • investigating the solubility of common materials in water
  • investigating the change in state caused by heating and cooling of a familiar substance
  • investigating irreversible changes such as rusting, burning and cooking
  • exploring how reversible changes can be used to recycle materials
  • investigate reversible reactions such as melting, freezing and evaporating
ScOT terms

Chemical reactions,  Phase transformations

Tablet friendly (Interactive resource)

Energy chains: make electricity

Build up to six energy chains that make electricity. Select from different energy sources and choose energy converters to match. Examine the type of energy change that happens in each converter. Arrange the converters into the correct chain so that the energy can be delivered as electricity. For example, construct a chain ...

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

Sustainability action process: Waste and materials (Years 3–6)

This resource guides students through an extended school-based or local investigation focussed on waste and materials using the five-step sustainability action process. The resource supports the investigation of a real-world issue or problem. Students develop and implement a chosen sustainability action and then evaluate ...

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 ...

Interactive Resource

experiMENTALS: Spooky slime

This resource contains a materials and instruction list and brief explanation for students about the process of making spooky slime with cornflour to produce a substance that is a little like a liquid and a little like a solid.

Interactive Resource

DIY Lava Lamp

This resource contains lessons plans containing instructions and teachers' notes for an activity based on a chemical reaction that occurs when a soluble aspirin tablet dissolves and the fact that oil and water do not mix are used to create a model of a lava lamp. Students have fun while they learn about density of fluids. ...

Interactive Resource

The water cycle for kids

This interactive resource is a pictorial water-cycle diagram accompanied by an explanation. The resource shows an illustration of a landscape with stylised water drops representing changes of state such as precipitation and evaporation. The visual style is designed to be engaging to children. Simplified versions of the ...

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 ...

Interactive resource

Treasure puzzle

Open the metal door to a treasure chamber by dissolving it with acids. Test everyday substances to identify which are acids: lemon juice, salt water, alcohol, vinegar, water and fizzy soft drink. See if they react with egg shell, litmus paper, sodium bicarbonate or teeth.

Interactive resource

Mystery substances: your first case

Solve police cases 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 ...

Moving Image

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.

Moving Image

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

What on Earth am I drinking?

This sequence of activities explores solubility, reversible changes and how to separate mixtures, using water as the key focus. Students undertake an experiment to investigate the difference between tap water and pure water. They also use an interactive series of resources to solve crimes by identifying pure substances ...

Interactive Resource

experiMENTALS: Magic rocking candle

This resource contains a materials and instruction list and brief explanation for students about the process of burning both ends of a balancing candle. This activity is most likely to be done as a teacher demonstration for safety and classroom management reasons, particularly at primary school level.

Interactive Resource

experiMENTALS: Recycling plastics and glass

This resource contains suggestions for students about the process of using the internet to do research recycling in their local area. Help save the planet and teach your family how to become better at recycling.

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

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.

Interactive Resource

DIY pH Indicator

This resource contains lessons plans containing instructions and teachers 'notes for an activity based on the natural pH indicator present in red cabbage leaves. It can be extracted following these explicit and clear directions included for this activity. This indicator solution changes colour from purple to bright pink ...

Interactive Resource

experiMENTALS: Relightable candle

This resource contains a materials and instruction list and brief explanation for students about the process of relighting a candle. This activity is most likely to be done as a teacher demonstration for safety and classroom management reasons, particularly at primary school level. Do this experiment to learn how a candle ...

Interactive Resource

experiMENTALS: Magic potion

This resource contains a materials and instruction list and brief explanation for students about the process of dropping dry ice into food coloured water. Safety regulations should be checked and followed.