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145 to 168 of 438 topics

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  • Science // Insects & Minibeasts

    Threats to insects and conservation

    Threats to insects and conservation: insect populations are declining worldwide. Causes include habitat loss, pesticide use, light pollution disrupting…

    Ages 9 to 11Concept
  • Science // Insects & Minibeasts

    Insect Adaptations

    Adaptation and evolution in insects: peppered moths as a famous example of natural selection (dark moths survived better on soot-covered trees during the…

    Ages 9 to 11Concept
  • Science // Insects & Minibeasts

    Insect communication and behaviour

    Insect communication and behaviour: bees perform a waggle dance to tell hive-mates where flowers are. Ants lay pheromone trails for others to follow. Fireflies…

    Ages 9 to 11Concept
  • Science // Insects & Minibeasts

    Types of Metamorphosis

    Complete vs incomplete metamorphosis. Complete: egg → larva → pupa → adult (butterflies, beetles, flies). Incomplete: egg → nymph → adult — the nymph looks like…

    Ages 9 to 11Concept
  • Science // Insects & Minibeasts

    Insect anatomy in depth

    Insect anatomy in depth: compound eyes made of thousands of tiny lenses, spiracles (breathing holes along the body), diverse mouthparts (chewing mandibles in…

    Ages 9 to 11Concept
  • Science // Matter & Materials

    Describing Material Properties

    Describe simple physical properties of everyday materials such as hard/soft, stretchy/stiff, shiny/dull, rough/smooth, waterproof/absorbent, transparent/opaque

    Ages 5 to 6Concept
  • Science // Matter & Materials

    Objects vs Materials

    Distinguish between an object and the material from which it is made, understanding that objects can be made from different materials

    Ages 5 to 6Concept
  • Science // Matter & Materials

    Naming Everyday Materials

    Identify and name a variety of everyday materials including wood, plastic, glass, metal, water, and rock

    Ages 5 to 6Concept
  • Science // Matter & Materials

    Choosing the Right Material

    Identify and compare the suitability of everyday materials for particular uses, explaining why specific materials are chosen for specific purposes

    Ages 6 to 8Concept
  • Science // Matter & Materials

    Heating & Cooling Changes

    Observe and describe that some materials change state when heated or cooled, and measure the temperature at which changes occur in degrees Celsius

    Ages 7 to 9Concept
  • Science // Matter & Materials

    Taking Apart & Rebuilding

    Observe that an object made of a small set of pieces can be disassembled and made into a new object, understanding that the pieces still exist

    Ages 7 to 8Concept
  • Science // Matter & Materials

    Solids, Liquids & Gases

    Compare and group materials as solids, liquids, or gases based on their observable properties and behaviour

    Ages 8 to 9Concept
  • Science // Matter & Materials

    Evaporation & the Water Cycle

    Identify the role of evaporation and condensation in the water cycle, and associate the rate of evaporation with temperature

    Ages 8 to 9Concept
  • Science // Matter & Materials

    Dissolving & Solutions

    Understand that some materials dissolve in liquid to form a solution, and describe how to recover a substance from a solution by evaporation

    Ages 9 to 10Concept
  • Science // Matter & Materials

    Irreversible Changes

    Explain that some changes result in the formation of new materials and are not usually reversible, such as burning, rusting, and reactions with acid

    Ages 9 to 11Concept
  • Science // Matter & Materials

    Reversible Changes

    Demonstrate that dissolving, mixing, and changes of state are reversible changes where no new materials are formed

    Ages 9 to 10Concept
  • Science // Matter & Materials

    Advanced Material Properties

    Compare and group everyday materials based on advanced properties: hardness, solubility, transparency, electrical and thermal conductivity, and response to…

    Ages 9 to 11Concept
  • Science // Matter & Materials

    Conservation of Mass

    Measure and provide evidence that the total weight of matter is conserved regardless of the type of change (heating, cooling, or mixing)

    Ages 10 to 11Concept
  • Science // Matter & Materials

    Matter Is Made of Particles

    Develop a model to describe that matter is made of particles too small to be seen, and that this explains properties of solids, liquids, and gases

    Ages 10 to 11Concept
  • Science // Matter & Materials

    Physical vs Chemical Changes

    Distinguish between physical changes (reversible, no new substances formed) and chemical changes (new substances formed, often irreversible), using conservation…

    Ages 11 to 13Concept
  • Science // Matter & Materials

    Pure Substances & Mixtures

    Distinguish between pure substances and mixtures, identify formulations as useful mixtures with precise compositions, and use melting and boiling points to test…

    Ages 11 to 13Concept
  • Science // Matter & Materials

    The Particle Model

    Use the particle model to explain the properties of solids, liquids, and gases — including differences in arrangement, movement, and spacing — and apply the…

    Ages 11 to 12Concept
  • Science // Matter & Materials

    Atoms, Elements & Compounds

    Explain the differences between atoms, elements, and compounds; describe the simple Bohr model of the atom (nucleus with protons and neutrons, electrons in…

    Ages 11 to 12Concept
  • Science // Matter & Materials

    Metals vs Non-Metals

    Compare the physical and chemical properties of metals and non-metals, explaining metallic properties (malleability, lustre, conductivity) and how position in…

    Ages 11 to 13Concept