Photosynthesis: find the limiting factor
Predict when increasing light will stop increasing the rate. Keep temperature constant, compare low and high carbon dioxide, then explain why the limiting factor changes.
Open the photosynthesis model →Science · Maths · Health and Movement Science
Make a prediction.
Follow the evidence.
Ten virtual investigations turn a model into a dataset you can question. Change one factor, collect reproducible trials, compare the evidence and explain what the model can tell you.
Every observation here is synthetic model data. These tools support scientific reasoning and do not replace practical investigations or provide health advice.
Choose an investigation
The confounding detective
Precision is not accuracy
A line through noisy evidence
An estimate with assumptions
Three populations, one starting point
Distance after a change of direction
Where did the heat go?
Diagnose from the measurements
Adding waves at a point
An association is not a training plan
1 Predict and plan
Your notebook stays in this tab. Download it before leaving. Switching investigations keeps each notebook until the tab closes.
2 Set up a trial
3 Inspect the evidence
Read every observation in a table
Check the model and calculations after interpreting the evidence
Compare your trials
Select a trial to restore its observations, prediction and settings. The comparison column summarises one quantity; the full data stay in the CSV.
4 Explain and evaluate
A useful explanation cites a value and unit, connects it to a scientific relationship, and separates evidence from assumptions. The tool does not automatically grade your writing.
Take the same method into a topic simulation
Use these guided missions with existing HSCScience models. Write a prediction first, hold the other factors constant, record at least three settings and use the results to explain a relationship.
Collisions: test a conservation claim
Predict both final velocities. Record total momentum before and after three collisions. Compare momentum conservation with kinetic-energy conservation and identify the model's collision assumptions.
Open the momentum model →Circuits: change one branch
Predict the effect of changing one resistance in series and parallel. Compare source current and each branch's readings, then explain the pattern using the circuit arrangement.
Open the series–parallel model →Calorimetry: audit an energy estimate
Predict how water mass changes the temperature rise for a fixed energy input. Record three masses, calculate mcΔT, and identify which losses the model includes.
Open the calorimetry model →Turn your observations into a stronger investigation
Use the science skills toolkit to plan a method, choose valid measurements and practise writing evidence-based conclusions.
Open the science skills toolkit →