Concept Studio
See the idea. Put it to the test.
956 activities from Kindergarten to Year 12, in 13 subject areas. A practical gives the idea, what you need, the steps, what you should see and a safety card. A teacher-led demonstration gives the idea and its hazards; its method is for tutors on the learning platform.
Review
Reviewed before publication (owner’s confirmation, 24 September 2026). That covers every activity 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 demonstrations 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 activities 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 activity lists the NSW syllabus outcomes and Australian Curriculum v9 codes it supports. They are references, not a verified or complete curriculum alignment.
Find an activity
59 activities
Biology 11–12 · page 2 of 2
Modelling DNA replication and the Meselson-Stahl test of three models
Each strand of a DNA molecule is a template for a new complementary strand, so every daughter molecule keeps one old strand, and the pattern of heavy and light DNA across generations distinguishes this semi-conservative model from its rivals.
Practical, model not builtLow riskModelling haemodialysis with Visking tubing and why fresh fluid is needed
In dialysis, small solutes diffuse from blood across a partially permeable membrane into dialysis fluid until concentrations equalise, large molecules stay behind, and only fresh fluid keeps removing waste.
Practical, model not builtMedium riskModelling meiosis, crossing over and fertilisation with Reebop chromosomes
Independent assortment, crossing over and random fertilisation together give each offspring a genotype that no sibling need share, and a physical model makes each source of variation countable.
Practical, model not builtLow riskNear point, amplitude of accommodation and why reading glasses become necessary
The lens changes shape to focus near objects, and the closest point a person can focus (the near point) measures how much it can change, an amount that falls with age until reading needs added lens power.
Practical, model not builtLow riskPasteur's swan-neck flask experiment with sterile nutrient broth
Sterile broth stays clear when air can reach it but dust cannot, and clouds only once airborne microbes get in, so microbes come from other microbes rather than arising from the broth itself.
Teacher-led demonstrationPracticalMedium riskResponse of Australian native plants to Phytophthora dieback: a no-contact field survey
A soil-borne water mould kills the roots of susceptible native plants, and the pattern of dieback across a site, mapped without touching or moving soil, shows how the pathogen spreads and which plants respond by dying back.
PracticalMedium riskTesting simulated urine for glucose and protein: evidence of diabetes and kidney damage
When blood glucose rises above what the kidney tubules can reabsorb, glucose appears in urine, and protein in urine signals damaged filters, so simple tests on urine reveal failures of homeostasis.
PracticalMedium riskTracing the spread of an infection: the fluid-exchange epidemic with an indicator test
A hidden infection passed on by direct contact spreads through a group faster with every round of contact, and a record of who met whom lets the source be traced back, though never beyond the first pair.
Practical, model not builtMedium riskUltraviolet protection measured with UV-sensitive beads under sunscreens and fabric
Ultraviolet radiation, the main environmental cause of skin cancer, can be detected by beads that change colour, and the reduction in colour change under a sunscreen or fabric shows how much ultraviolet it screens out.
Practical, model not builtLow riskVitamin C in fruit juices by DCPIP titration: a nutritional disease investigation
Vitamin C decolourises the blue dye DCPIP in a fixed ratio, so the volume of dye a juice can decolourise measures its vitamin C, the nutrient whose lack causes scurvy.
Practical, model not builtLow riskWater treatments compared by plate counts: boiling, chlorination and filtering
Treatments that kill or remove microbes reduce the number of colonies a water sample can grow, and plate counts before and after measure how well each treatment works.
Teacher-led demonstrationPracticalMedium risk
For tutors and administrators
The materials and steps of every teacher-led demonstration are on the learning platform, with the safety card first. Sign in with a tutor or administrator account to read them.