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1,009 to 1,032 of 1,595 topics

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  • Science // Matter & Materials

    Finite Resources & Recycling

    Explain that many raw materials (metals, fossil fuels, minerals) are finite resources, describe the environmental costs of extraction, and evaluate the benefits…

    Ages 12 to 14Concept
  • Science // Matter & Materials

    Earth's Atmosphere & CO2

    Describe the composition of Earth's atmosphere (mainly nitrogen and oxygen, with small amounts of CO₂ and other gases), explain how human activity increases…

    Ages 12 to 14Concept
  • Science // Matter & Materials

    Acid Reactions & Salts

    Describe and write word equations for the reactions of acids with metals, alkalis (neutralisation), and metal oxides/hydroxides, identifying the salt produced…

    Ages 12 to 13Concept
  • Science // Matter & Materials

    Acids, Alkalis & pH

    Define acids and alkalis in terms of hydrogen ion concentration, describe the pH scale (0–14), and explain how indicators are used to identify and measure…

    Ages 12 to 13Concept
  • Science // Matter & Materials

    Reactions That Release or Absorb Heat

    Distinguish between exothermic reactions (release energy, temperature rises) and endothermic reactions (absorb energy, temperature falls), with everyday and…

    Ages 12 to 13Concept
  • Science // Matter & Materials

    The Rock Cycle

    Explain the rock cycle: how igneous rocks form from magma, sedimentary rocks from compressed sediment, and metamorphic rocks from heat and pressure, and how all…

    Ages 12 to 14Concept
  • Science // Matter & Materials

    Types of Chemical Reaction

    Identify and describe four types of chemical reaction: combustion (burning in oxygen), oxidation (gain of oxygen), thermal decomposition (breaking down by…

    Ages 12 to 13Concept
  • Science // Matter & Materials

    The Reactivity Series

    Order common metals in the reactivity series and explain how a more reactive metal displaces a less reactive one; describe how carbon is used to extract metals…

    Ages 12 to 14Concept
  • Science // Matter & Materials

    Ceramics, Polymers & Composites

    Describe the properties and uses of ceramics (hard, brittle, heat-resistant), polymers (flexible, lightweight, variable), and composites (combine properties of…

    Ages 13 to 14Concept
  • Science // Ocean Life

    What Is the Ocean?

    Know that oceans are huge bodies of salt water that cover most of Earth's surface, and that the ocean is home to an enormous number of living things

    Ages 5 to 7Concept
  • Science // Ocean Life

    What Ocean Animals Need

    Understand that ocean animals need food, shelter, and the right conditions to survive — just like land animals — and that different parts of the ocean provide…

    Ages 5 to 7Concept
  • Science // Ocean Life

    Ocean Animal Variety

    Recognise that the ocean is home to an amazing variety of animals — from tiny seahorses and colourful clownfish to enormous whales and sharks — and that ocean…

    Ages 5 to 7Concept
  • Science // Ocean Life

    Ocean Food Chains

    Describe a simple ocean food chain: tiny plants (phytoplankton) are eaten by small animals, which are eaten by bigger fish, which are eaten by top predators…

    Ages 5 to 7Concept
  • Science // Ocean Life

    Whales & Dolphins Are Mammals

    Know that whales and dolphins are mammals, not fish — they breathe air, are warm-blooded, and feed their babies milk — even though they live in the ocean

    Ages 5 to 7Concept
  • Science // Ocean Life

    Coasts & Beaches

    Know what a coast or beach is — the place where land meets the ocean — and that different coasts can be sandy, rocky, or muddy, each with different plants and…

    Ages 5 to 7Concept
  • Science // Ocean Life

    Rock Pool Habitats

    Explore rock pools (tide pools) as small ocean habitats where crabs, anemones, starfish, and small fish can be found, and understand that these creatures are…

    Ages 5 to 7Concept
  • Science // Ocean Life

    Classifying Ocean Animals

    Classify ocean animals into major groups: fish (breathe through gills, have scales), marine mammals (breathe air, warm-blooded, feed milk), and invertebrates…

    Ages 7 to 9Concept
  • Science // Ocean Life

    Ocean Food Webs

    Understand ocean food webs: multiple interconnected food chains where energy flows from phytoplankton (producers) through zooplankton, small fish, and large…

    Ages 7 to 9Concept
  • Science // Ocean Life

    Ocean Depth Zones

    Understand that the ocean has different zones depending on depth and light: the sunlight zone near the surface where most life lives, the twilight zone where…

    Ages 7 to 9Concept
  • Science // Ocean Life

    The Five Oceans

    Name and locate the five oceans — Pacific (largest), Atlantic, Indian, Southern, and Arctic (smallest and coldest) — on a world map, and understand that they…

    Ages 7 to 9Concept
  • Science // Ocean Life

    Ocean Animal Adaptations

    Understand that ocean animals have special adaptations for their environment: streamlined bodies for fast swimming, camouflage to hide from predators, blubber…

    Ages 7 to 9Concept
  • Science // Ocean Life

    Tides, Waves & Currents

    Know that the ocean has tides (water level rises and falls twice a day, caused mainly by the Moon's gravity), waves (caused by wind), and currents (rivers of…

    Ages 7 to 9Concept
  • Science // Ocean Life

    The Ocean Floor

    Know that the ocean floor is not flat — it has mountains, valleys, and the deepest trenches on Earth — and that the deepest point is the Mariana Trench, deeper…

    Ages 7 to 9Concept
  • Science // Ocean Life

    Coral Reefs

    Know that coral reefs are built by tiny living animals called coral polyps, that reefs are home to more species than almost any other ocean habitat, and that…

    Ages 7 to 9Concept