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193 to 216 of 274 topics

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  • Science // Organisms & Life Processes

    Calculating Dietary Energy

    Calculate and evaluate energy intake and requirements in a healthy daily diet, interpreting food labels and nutritional data

    Ages 11 to 13Method
  • Science // Organisms & Life Processes

    Diet Imbalance & Deficiency

    Explain the health consequences of an imbalanced diet including obesity (excess energy), starvation (severe energy deficit), and deficiency diseases (lack of…

    Ages 11 to 13Concept
  • Science // Organisms & Life Processes

    Single-Celled Organisms

    Explain how unicellular organisms such as bacteria and Amoeba carry out all the functions of life within a single cell

    Ages 11 to 12Concept
  • Science // Organisms & Life Processes

    Using a Microscope

    Use a light microscope correctly to prepare, focus, and examine biological specimens, including making accurate labelled drawings at an appropriate…

    Ages 11 to 12Method
  • Science // Organisms & Life Processes

    Heart Structure & Double Circulation

    Describe 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 13Concept
  • Science // Organisms & Life Processes

    Gut Bacteria & Digestion

    Explain the role of gut microbiome bacteria in digestion, including breaking down dietary fibre and contributing to a healthy gut environment

    Ages 12 to 13Concept
  • Science // Organisms & Life Processes

    Gas Exchange & Breathing

    Describe the structure of the human gas exchange system (trachea, bronchi, bronchioles, alveoli) and explain how the mechanism of breathing — using pressure…

    Ages 12 to 13Concept
  • Science // Organisms & Life Processes

    Aerobic Respiration

    Explain 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 13Concept
  • Science // Organisms & Life Processes

    How Diffusion Works

    Explain 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 13Concept
  • Science // Organisms & Life Processes

    Plant Reproduction

    Describe 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 13Concept
  • Science // Organisms & Life Processes

    Anaerobic Respiration

    Explain 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 14Concept
  • Science // Organisms & Life Processes

    Body Temperature Regulation

    Explain how the human body detects and responds to environmental changes including temperature, including the role of the skin in temperature regulation…

    Ages 12 to 14Concept
  • Science // Organisms & Life Processes

    Human Reproduction

    Describe the structure and function of the male and female human reproductive systems, and explain the processes of fertilisation, gestation, and birth…

    Ages 12 to 13Concept
  • Science // Organisms & Life Processes

    Pathogens & the Immune System

    Explain 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 14Concept
  • Science // Organisms & Life Processes

    Effects of Drugs & Alcohol

    Explain the effects of recreational drugs including alcohol, tobacco, and illegal substances on behaviour, health, and body systems, and distinguish between…

    Ages 13 to 14Concept
  • Science // 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 skill
  • Science // Scientific Inquiry

    Repeated tests for reliability

    Distinguish between precision (consistency of repeated readings) and accuracy (closeness to true value), use significant figures and standard form correctly…

    Ages 11 to 12Concept
  • Science // 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 skill
  • Science // Scientific Inquiry

    Tables, charts, and graphs

    Construct 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 13Representation
  • Science // Scientific Inquiry

    Writing Science Reports

    Communicate scientific findings in a structured report using appropriate scientific vocabulary, SI units, and standard notation; describe how peer review and…

    Ages 13 to 14Thinking skill
  • Science // Space Exploration

    Finding Exoplanets

    Describe 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 13Concept
  • Science // Space Exploration

    Observing with Light Waves

    Explain how the electromagnetic spectrum is the primary tool of modern astronomy — different wavelengths (radio, infrared, visible, ultraviolet, X-ray…

    Ages 11 to 13Concept
  • Science // Space Exploration

    Orbital Mechanics

    Apply 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 13Concept
  • Science // Space Exploration

    Where Elements Come From

    Explain 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