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

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 ...

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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

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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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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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.

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.

Video

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.

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 ...

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) ...

Video

Catalyst: How will fire change the climate?

Considering the impact of a changing climate on the severity and frequency of fires is one thing, but how about the impact of fires on climate? Why does Professor David Bowman describe this scenario as a 'fire spiral'? What are the consequences of a world with fewer forests? As Professor Craig Allen explains, drought and ...

Video

Four Corners: Fire management strategies

What role do fire-behaviour specialists and ecologists have in fire management? Watch this clip to find out about issues relating to fire management in Australia, in particular prescribed burning.

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Catalyst: Heat transfer: is it hot or cold?

If you picked up a paper book and a metal box do you think one would feel colder to the touch or would they feel the same? Watch this clip to see if people's predictions about the temperature of objects match their observations. You may be as surprised as they are!

Video

Four Corners: Increasing threat of megafires

Many scientists believe we are already experiencing megafires and that they will continue to increase in the future. In this clip you will hear from Australian scientists at the forefront of fire research. Discover what they have to say about the causes, projections, and consequences of an increased megafire threat.

Interactive

Wild ride: get a grip

Investigate the role of friction in performance of bicycle tyres. Test how the type of tread affects grip and speed. Choose tyres best suited to track and weather conditions in a time trial. This learning object is one in a series of four objects.

Audio

Ian Frazer discusses the cervical cancer vaccine, 2008

This is an edited sound recording of the Australian medical scientist Ian Frazer discussing how he and his colleague Jian Zhou developed the first vaccine to prevent and treat cervical cancer. He describes their breakthrough laboratory discovery in 1990, and how they realised a vaccine was possible. He also tells of the ...

Video

Catalyst: Predicting earthquakes

Will scientists ever be able to accurately predict earthquakes? Imagine the number of lives that could be saved if this were possible. Dr Maryanne Demasi joins a group of researchers drilling into one of the most earthquake-prone regions on Earth as they try to improve earthquake prediction to add precious seconds to earthquake ...

Video

Atoms of Fire: What makes salt and sugar so different?

Have you ever accidentally sprinkled sugar on your dinner or spooned salt into your coffee? Those white crystals might look the same but they taste very different because they are made of different kinds of atoms bonded in different ways. Discover how chemists identify what kinds of atoms a compound is made of, then find ...

Video

Understanding the causes of climate change

Did you know that climate change is not a recent phenomenon? In the past, natural events led to changes in the climate. Although natural events still affect climate, they're not enough to explain the big changes we've been seeing in the last 150 years. What changes on earth can account for such dramatic changes to our climate? ...