Learn // Topics

All topics

Search by name, or narrow by subject, age, and type. Open a topic to see the ages it covers, what to learn first, and where it leads.

481 to 504 of 823 topics

By subject and area, youngest first

  • 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

    Separating Mixtures

    Use knowledge of solids, liquids, and gases to decide how mixtures might be separated through filtering, sieving, and evaporating

    Ages 9 to 10Method
  • 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

    Material Properties Vocabulary

    Use technical vocabulary to describe and compare material properties — conductor, insulator, thermal, electrical, transparent, opaque, translucent, soluble…

    Ages 9 to 11Language
  • 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
  • Science // Ocean Life

    Oceans & Climate

    Understand the connection between the ocean and climate: the ocean absorbs heat and carbon dioxide, drives weather patterns through evaporation, and ocean…

    Ages 9 to 11Concept
  • Science // Ocean Life

    Ocean Ecosystems

    Understand ocean ecosystems as interconnected systems where living things (producers, consumers, decomposers) and non-living factors (temperature, salinity…

    Ages 9 to 11Concept
  • Science // Ocean Life

    Protecting the Ocean

    Understand how people protect the ocean: marine protected areas limit fishing and pollution, sustainable fishing prevents overharvesting, beach clean-ups reduce…

    Ages 9 to 11Concept
  • Science // Ocean Life

    Ocean Pollution & Harm

    Identify ways humans harm the ocean — plastic pollution, overfishing, oil spills, and ocean acidification from carbon dioxide — and understand that most ocean…

    Ages 9 to 11Concept
  • Science // Ocean Life

    Ocean Animal Migrations

    Know that many ocean animals undertake remarkable migrations — humpback whales travel thousands of miles between feeding and breeding grounds, sea turtles…

    Ages 9 to 11Concept
  • Science // Ocean Life

    Deep-Sea Creatures

    Explore life in the deep sea: animals that make their own light (bioluminescence), creatures adapted to crushing pressure and total darkness, and hydrothermal…

    Ages 9 to 11Concept
  • Science // Ocean Life

    Exploring the Ocean

    Know that oceanographers and marine biologists study the ocean using submarines, remotely operated vehicles (ROVs), satellites, and diving, and that much of the…

    Ages 9 to 11Thinking skill
  • Science // Organisms & Life Processes

    What Plants Need to Grow

    Understand that plants need water, light, and a suitable temperature to grow and stay healthy

    Ages 6 to 8Concept