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Lab

See the idea. Put it to the test.

956 practicals from Kindergarten to Year 12, in 9 subjects. A practical gives the idea, what you need, the steps, what you should see and a safety card. A teacher-led practical gives the idea and its hazards; its method is for tutors on the learning platform.

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Review

Reviewed before publication (owner’s confirmation, 24 September 2026). That covers every practical here, and a practical’s page lists the sources its author read.

A safety card on every page

The risk, who supervises and the hazards. The 38 teacher-led practicals show their idea and hazards here; their materials, steps and sources, and any result, control or note that states a number or an amount, are for tutors and administrators on the learning platform.

School laboratory, not for home

207 practicals are medium or high risk. Each says so on its page: In a school laboratory, with a teacher supervising, under the school's risk assessment. Not for home.

Curriculum references

Each practical lists the NSW syllabus outcomes and Australian Curriculum v9 codes it supports. They are references, not a verified or complete curriculum alignment.

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A practical is carried out at the bench, in the classroom or outdoors. A practical with its model not built stands on its own; the page says where a step mentions the model. A calculation and data practical works from published figures by hand, with a calculator or in a spreadsheet. No Lab page includes an interactive model; the Concept Studio holds the demonstrations.

4 practicals

Science 7–10 · Biology · Ecosystems

  1. Science 7–10 · Year 7

    Duckweed population growth: exponential start, limited finish

    A population with plenty of resources grows by a constant proportion each day, and growth slows as space or nutrients run out.

    Practical, model not builtLow risk

  2. Science 7–10 · Year 7

    Eutrophication in a jar: fertiliser run-off and algal growth

    Adding nutrients to still water increases producer growth, and the extra biomass changes the conditions for every other organism in the system.

    PracticalLow risk

  3. Science 7–10 · Year 7

    Leaf litter invertebrates: Tullgren funnel extraction and a dichotomous key

    Organisms are classified by shared structural features, and a dichotomous key turns those features into a repeatable series of either-or choices that ends in a named group.

    Practical, model not builtLow risk

  4. Science 7–10 · Year 7

    Random quadrat sampling: estimating how many plants are on the oval

    A population too large to count is estimated from random samples, and the estimate tightens as the number of samples grows.

    Practical, model not builtLow risk

For tutors and administrators

The materials and steps of every teacher-led practical are on the learning platform, with the safety card first. Sign in with a tutor or administrator account to read them.

Open the teacher-led practicals