Learn // Topics
All topics
193 to 216 of 274 topics
By subject and area, youngest first
Science // Organisms & Life Processes
Calculating Dietary EnergyCalculate and evaluate energy intake and requirements in a healthy daily diet, interpreting food labels and nutritional data
Ages 11 to 13MethodScience // Organisms & Life Processes
Diet Imbalance & DeficiencyExplain the health consequences of an imbalanced diet including obesity (excess energy), starvation (severe energy deficit), and deficiency diseases (lack of…
Ages 11 to 13ConceptScience // Organisms & Life Processes
Single-Celled OrganismsExplain how unicellular organisms such as bacteria and Amoeba carry out all the functions of life within a single cell
Ages 11 to 12ConceptScience // Organisms & Life Processes
Using a MicroscopeUse a light microscope correctly to prepare, focus, and examine biological specimens, including making accurate labelled drawings at an appropriate…
Ages 11 to 12MethodScience // Organisms & Life Processes
Heart Structure & Double CirculationDescribe the structure of the heart (four chambers, valves, coronary arteries) and explain how it pumps deoxygenated blood to the lungs and oxygenated blood to…
Ages 12 to 13ConceptScience // Organisms & Life Processes
Gut Bacteria & DigestionExplain the role of gut microbiome bacteria in digestion, including breaking down dietary fibre and contributing to a healthy gut environment
Ages 12 to 13ConceptScience // Organisms & Life Processes
Gas Exchange & BreathingDescribe the structure of the human gas exchange system (trachea, bronchi, bronchioles, alveoli) and explain how the mechanism of breathing — using pressure…
Ages 12 to 13ConceptScience // Organisms & Life Processes
Aerobic RespirationExplain aerobic respiration as the process by which organisms release energy from glucose using oxygen, producing carbon dioxide and water; write and interpret…
Ages 12 to 13ConceptScience // Organisms & Life Processes
How Diffusion WorksExplain diffusion as the net movement of particles from a region of higher concentration to lower concentration, and describe its role in moving materials…
Ages 12 to 13ConceptScience // Organisms & Life Processes
Plant ReproductionDescribe the structure of a flower and explain the processes of wind and insect pollination, fertilisation, seed and fruit formation, and seed dispersal in…
Ages 12 to 13ConceptScience // Organisms & Life Processes
Anaerobic RespirationExplain anaerobic respiration in animals as the incomplete breakdown of glucose to lactic acid when oxygen is in short supply, causing muscle fatigue; contrast…
Ages 12 to 14ConceptScience // Organisms & Life Processes
Body Temperature RegulationExplain how the human body detects and responds to environmental changes including temperature, including the role of the skin in temperature regulation…
Ages 12 to 14ConceptScience // Organisms & Life Processes
Human ReproductionDescribe the structure and function of the male and female human reproductive systems, and explain the processes of fertilisation, gestation, and birth…
Ages 12 to 13ConceptScience // Organisms & Life Processes
Pathogens & the Immune SystemExplain how pathogens (bacteria, viruses, and fungi) cause disease and describe how the immune system responds, including the roles of white blood cells…
Ages 12 to 14ConceptScience // Organisms & Life Processes
Effects of Drugs & AlcoholExplain the effects of recreational drugs including alcohol, tobacco, and illegal substances on behaviour, health, and body systems, and distinguish between…
Ages 13 to 14ConceptScience // Scientific Inquiry
Controlling variables (age 11+)Form a testable scientific hypothesis linking an independent variable to a predicted outcome, plan a full investigation identifying independent, dependent, and…
Ages 11 to 12Thinking skillScience // Scientific Inquiry
Repeated tests for reliabilityDistinguish between precision (consistency of repeated readings) and accuracy (closeness to true value), use significant figures and standard form correctly…
Ages 11 to 12ConceptScience // Scientific Inquiry
Drawing conclusions from evidence (age 12+)Identify patterns and trends in data, draw conclusions that directly address the hypothesis with quantitative reference to evidence, and evaluate the…
Ages 12 to 13Thinking skillScience // Scientific Inquiry
Tables, charts, and graphsConstruct data tables with correct headings and SI units, plot appropriate graph types (bar chart, line graph, scatter graph), draw a line of best fit, and…
Ages 12 to 13RepresentationScience // Scientific Inquiry
Writing Science ReportsCommunicate scientific findings in a structured report using appropriate scientific vocabulary, SI units, and standard notation; describe how peer review and…
Ages 13 to 14Thinking skillScience // Space Exploration
Finding ExoplanetsDescribe how astronomers detect planets around other stars using transit photometry (dip in starlight as a planet crosses) and radial velocity (Doppler wobble…
Ages 11 to 13ConceptScience // Space Exploration
Observing with Light WavesExplain how the electromagnetic spectrum is the primary tool of modern astronomy — different wavelengths (radio, infrared, visible, ultraviolet, X-ray…
Ages 11 to 13ConceptScience // Space Exploration
Orbital MechanicsApply Newton's laws to explain orbital motion: why orbit is continuously falling sideways rather than floating; how a gravity assist (slingshot manoeuvre)…
Ages 12 to 13ConceptScience // Space Exploration
Where Elements Come FromExplain stellar nucleosynthesis: the Big Bang produced mainly hydrogen and helium; main-sequence fusion builds elements up to iron; and supernovae produce…
Ages 12 to 14Concept