Science / Year 8 / Science Inquiry Skills / Planning and conducting

Curriculum content descriptions

Measure and control variables, select equipment appropriate to the task and collect data with accuracy (ACSIS141)

Elaborations
  • using specialised equipment to increase the accuracy of measurement within an investigation
  • identifying and explaining the differences between controlled, dependent and independent variables
General capabilities
  • Numeracy Numeracy
ScOT terms

Data collection,  Instrumentation (Technology),  Independence (Experiments),  Scientific control

Interactive

iPlan

This resource contains ten IWB flipcharts as well as Flash alternative exercises and models how to plan a scientific investigation, choose the right equipment and follow safe working practices.

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Density Simulation (sk-Intel)

This resource is in the style of an 'authentic' scientific investigation. The investigation is set in a crime lab where finding the densities of the various items can solve the crime. The tool enables students to explore mass and volume for a variety of solids and liquids and hence determine their densities.

Online

MoneySmart: Light up the globe!

This unit of work will help students make an informed choice on which light globe to use from the wide range of light globes now available. Their choice will be based on cost, value for money, life span of globe, light output and energy used. Students will also gain an understanding of how light output and electricity (energy) ...

Interactive

Fair test

Run experiments in a plant research laboratory. Investigate the effects of different variables on the growth of lettuces, peas and tomatoes. Research the answers to questions about how to achieve optimum hydroponic growth conditions. Examine the effect of key variables on growth: nitrogen, temperature, light intensity and ...

Interactive

Rate of Photosynthesis

Students use this resource consisting of eight slides with diagrams, written explanation and voice-over to understand how to measure the rate of photosynthesis and understand what factors affect it. A detailed method is suggested for measuring the effect of varying levels of light. There is a two-question quiz and a summary slide.

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Industrial design challenge – separating materials lesson

is lesson provides a great introduction to the idea of separating mixtures and enables students to consider separation as a process that operates on macroscopic levels. Students also learn about waste management and recycling processes in Australia. The lesson provides students with an opportunity to engage in hands-on ...

Video

Stellar scintillation

This resource explores a concept belonging to the Meriam (Mer) people of the Torres Strait who have long understood the importance of stellar scintillation to their lives. and the ways it can prove useful in understanding our environment. This activity involves watching a video of an elder playing a Meriam star song and ...

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Output of a Solar Cell

This activity invites students to measure the efficiency of solar cells as they convert sunlight to power. The activity includes a list of tools and materials required, assembly instructions, what to do and notice, an explanation for the underlying science of what students observe and suggestions for further activities.

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Seed Germinator

This activity invites students to explore the process of seed germination and the early phases of plant development. The activity includes a list of tools and materials required, what to do and notice, an explanation for the underlying science of what students observe and suggestions for further activities.

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Work sample Year 8 Science: Bouncing ball

This work sample demonstrates evidence of student learning in relation to aspects of the achievement standards for Year 8 Science. The primary purpose for the work sample is to demonstrate the standard, so the focus is on what is evident in the sample not how it was created. The sample is an authentic representation of ...

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Naked Egg

This activity invites students to use a giant cell (a de-shelled chicken egg) to explore the comings and goings of cellular substances. The activity includes a list of tools and materials required, what to do and notice, an explanation for the underlying science of what students observe and suggestions for further activities.

Video

BTN: Living on the International Space Station

What would it be like to live on a space station? In this clip you'll see footage of astronauts on the International Space Station and discover what their daily life is like. You'll also find out about how the space station was built and about some important research being done there.

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For good measure

If you had to measure the rain level for the whole globe, how would you go about it so you could have as accurate a reading as possible? Rain gauges are great for measuring rain in small areas, but why might they not be as good for measuring large areas? Watch this video to see how the Global Precipitation Measurement (GPM) ...

Video

BTN: Volcanoes and people

Imagine living in the shadow of a volcano? Well, millions of people do in Naples, Italy, where a massive volcano called Vesuvius exists. This clip explores the dangers posed by volcanoes and investigates some recent and ancient eruptions. Find out some misconceptions about volcanoes and discover how science is helping prevent ...

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Elliot and the Surfing Scientist: 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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Spark: A better way to predict the spread of bushfires

In recent years, new technologies have helped us respond to natural disasters more quickly by providing up-to-date information as it becomes available. What if we could take this one step further with new technologies that can also predict disasters? Learn how Spark, which uses our existing knowledge of bushfire behaviours ...

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Testing the 5-second rule

When it comes to dropping food, have you heard of the 5-second rule? Or the 3-second rule? Watch this video to learn what really happens when you drop food. In order to cause disease, what must bacteria do? What circumstances allow bacteria and viruses to contaminate food more successfully?

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The power of science photography

Visual art and science are often considered to be separate fields. Watch as Phred Petersen talks about the way he combines his passions of photography and science. What is the role of technology in enabling this crossover? What kinds of scientific discoveries can be assisted by high-speed photography? And how can scientific ...

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Marine scientist in the laboratory

This is a colour photograph of marine scientist Dr Miles Lamare. Dr Lamare is in his office at the Portobello Marine Laboratory at the University of Otago, New Zealand. On the desk behind Dr Lamare is the scientific equipment he uses to download data from electronic tags, which he attaches to sea stars.

Video

Elliot and the Surfing Scientist: Fountain of fizz

Have you ever wondered how many bubbles there are in a bottle of soft drink? What if they all shot out the bottle at the same time in a fountain of fizz! Watch as Ruben Meerman, the Surfing Scientist explores where bubbles come from and how they form, with spectacular results!