Science / Year 8 / Science Understanding / Chemical sciences

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Curriculum content descriptions

Chemical change involves substances reacting to form new substances (ACSSU225)

Elaborations
  • identifying the differences between chemical and physical changes
  • identifying evidence that a chemical change has taken place
  • investigating simple reactions such as combining elements to make a compound
  • recognising that the chemical properties of a substance, for example its flammability and ability to corrode, will affect its use
ScOT terms

Chemical reactions,  Molecular structure

Interactive

Oresome world

This interactive resource takes students on a journey of discovery in the energy and mining world. Oresome world contains five games or modules: Coal, Energy, Gas, Low emissions and Mining, and within each of these there are several facilities to explore, such as the Underground mining site, Hydroelectric power station, ...

Online

Carbon is energy

We all use energy every day. Energy is available to us in many different forms - food, heat, electricity, petrol. But where does it all come from? This unit investigates the science of energy, renewable and non-renewable energy sources and how they can be sustained into the future. The unit includes PDF resources and video ...

Interactive

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

Comparing Respiration and Burning

Students use this resource consisting of five slides with diagrams, written explanation and voice-over to understand the differences between aerobic respiration and burning. There is a two-question quiz and a summary slide.

Interactive

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

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

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. ...

Video

Solar Prints

This 6 minute video segment from Catalyst is an excellent introduction to the science behind photovoltaics. A useful comparison of the efficiency of energy conversion. Discussion of other issues considered in producing devices to use renewable energy to make electricity.

Interactive

experiMENTALS: Bubble 07 diversion grenades

This resource contains a materials and instruction list and brief explanation for students about the process of carrying out a chemical reaction between bicarbonate of soda and vinegar.

Interactive

experiMENTALS: Energy in soft drinks

This resource contains information about how to calculate the amount of sugar and number of kilojoules in soft drink and fruit juices and brief explanation for students the effect of consuming too much sugar.

Image

Thylacine pup

This is a colour photograph of a preserved underdeveloped thylacine pup ('Thylacinus cynocephalus'). It is a museum specimen preserved in a glass container. Museum cataloguing labels are visible.

Image

Ethanol molecule

This is a colour image of a model of a molecule of ethanol, CH₃CH₂OH. In this model, atoms are represented by coloured spheres held together by grey rods that represent covalent bonds. The molecule contains two carbon atoms (the black spheres), one oxygen atom (the red sphere) and six hydrogen atoms (the grey-white spheres).

Image

Male and female thylacines, 1841

This is a 36 cm x 55 cm hand-coloured lithograph of a pair of thylacines (‘Thylacinus cynocephalus’), commonly called Tasmanian tigers, against a background of small bushes and an open plain.

Image

Bromine monofluoride molecule

This is a colour image of a model of a molecule of bromine monofluoride, BrF. In this model, atoms are represented by coloured spheres held together by grey rods, representing covalent bonds. The bromine monofluoride molecule contains one bromine atom (the brown sphere) and one fluorine atom (the blue-grey sphere).

Image

Trilobite fossil

This is a colour photograph of a fossil trilobite of the genus 'Kolihapeltis'.

Image

Iodine molecule

This is a colour image of a model of a molecule of iodine, I₂. In this model, two iodine atoms are represented by deep red spheres held together by a grey rod that represents a covalent bond.

Online

Secondary science: visual representations

These seven learning activities, which focus on 'visual representations' 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 assist students to understand ...

Online

Secondary science: models and simulations

These seven learning activities, which focus on 'models and simulations' 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 assist students to interpret, ...

Image

Gastropod fossil

This is a colour photograph of a fossil of a gastropod 'Tenagodus occlusus', showing the spiralled shell.

Image

Zygomaturus fossil skeleton

This is a colour photograph of a 'Zygomaturus tasmanicus' fossil skeleton. The skeleton is a museum specimen and has been braced with metal rods. It is displayed in a standing posture.