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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

Biology 11–12 · Biology · Ecosystems

  1. Biology 11–12 · Year 11

    Abiotic factors and biotic indicators of a freshwater site

    The invertebrates living in a stream or pond reflect its water quality, so a sample of what lives there, taken with abiotic readings, shows how abiotic and biotic factors are linked.

    PracticalMedium risk

  2. Biology 11–12 · Year 11

    Duckweed population growth: frond counts against the exponential and logistic models

    A population with space and nutrients doubles at a fixed interval; as the surface fills, growth slows toward a carrying capacity.

    Practical, model not builtLow risk

  3. Biology 11–12 · Year 11

    Measuring populations with random quadrats, with a mark-recapture estimator

    A population too large to count is estimated from random samples: quadrats for organisms that stay put, and marking and recapture for ones that move.

    Practical, model not builtLow risk

  4. Biology 11–12 · Year 11

    Restoring degraded soil: earthworm response to a soil improver in a choice chamber

    A change to an abiotic factor in soil shifts where soil animals are found, and a choice chamber lets earthworms show which amended soil they prefer or avoid, which decides whether an amendment used to restore degraded soil will be accepted by the soil biota.

    PracticalLow risk

For tutors and administrators

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