Observe, question, explain the world
Science
Hands-on inquiry and STEAM — observe, hypothesise, and explain, with simple experiments and Olympiad enrichment.
Cambridge Science + Olympiad47 units

Stage 1
- 1Living or Not Living?DIV · Diversity of life
- 2Parts of a PlantSYS · Systems & structures
- 3Sorting Living ThingsDIV · Diversity of life
- 4What It's Made OfDIV · Diversity of life
- 5Pushes, Pulls, Floats and SinksINT · Interactions & forces
- 6Magnets: Pull or No Pull?INT · Interactions & forces
- 7Sound, Hot and ColdENE · Energy
- 8Earth and SkyEAS · Earth & space
- 9Classify ChallengeDIV · Diversity of life
- 10Animals Around UsCTX · Science around us
- 11Our Weather DiaryCTX · Science around us
- 12Term 1 Review & CheckpointREV · Review
- 13Investigate: Living or Not Living?PRA · Working scientifically
- 14Animals & Our SensesSYS · Systems & structures
- 15Investigate: Sorting AnimalsPRA · Working scientifically
- 16Changing MaterialsDIV · Diversity of life
- 17Lab: Push, Pull, Float or SinkPRA · Working scientifically
- 18Light and DarkENE · Energy
- 19Day, Night and WeatherCYC · Cycles & change
- 20Design and MakeTEC · Design & make
- 21Care for Our Class PlantCTX · Science around us
- 22Make a Boat That FloatsCTX · Science around us
- 23Challenge: Odd-One-Out MastersENR · Enrichment challenge
- 24Term 2 Review & CheckpointREV · Review
- 25Investigate: Parts of a PlantPRA · Working scientifically
- 26Investigate: Our Five SensesPRA · Working scientifically
- 27Investigate: Testing MaterialsPRA · Working scientifically
- 28Lab: Which Materials Change Shape?PRA · Working scientifically
- 29Lab: The Magnet HuntPRA · Working scientifically
- 30Lab: Light, Dark and ShadowsPRA · Working scientifically
- 31Baby Animals & Their HomesCYC · Cycles & change
- 32Being a ScientistSCI · Being a scientist
- 33Tidy Up: Sort by MaterialCTX · Science around us
- 34A Five-Senses Nature WalkCTX · Science around us
- 35Challenge: Pattern PowerENR · Enrichment challenge
- 36Term 3 Review & CheckpointREV · Review
Stage 2
- 1Legs, Wings and FinsDIV · Diversity of life
- 2Sorting Plants by Their LeavesDIV · Diversity of life
- 3From Seed to PlantCYC · Cycles & change
- 4Weather, Seasons and Getting ReadyCYC · Cycles & change
- 5Teeth and Keeping HealthySYS · Systems in our body
- 6Light and ShadowsENE · Energy
- 7Forces Change ThingsINT · Interactions & forces
- 8Rocks and SoilEAS · Earth and space
- 9Sorting Key ChallengeDIV · Diversity of life
- 10Caring for a PetCTX · Science around us
- 11A Plant We GrewCTX · Science around us
- 12Term 1 CheckpointREV · Term review
- 13Lab: Sort Animals by Their FeaturesPRA · Practical science & inquiry
- 14The Right Material for the JobDIV · Diversity of life
- 15Plan, Build, Test, ImproveTEC · Design & make
- 16Lab: Watch a Seed GrowPRA · Practical science & inquiry
- 17My Body and My SensesSYS
- 18Investigate: Teeth and Healthy ChoicesPRA · Practical science & inquiry
- 19Sound All AroundENE · Energy
- 20Rough and SmoothINT · Interactions & forces
- 21The Sun Across the DayEAS · Earth and space
- 22A Seasons DiaryCTX · Science around us
- 23Design a Shelter from the WeatherCTX · Science around us
- 24Challenge: Two-Step Sorting KeysENR · Enrichment challenge
- 25Term 2 Review & CheckpointREV · Term review
- 26Lab: Sort Leaves by Shape and SizePRA · Practical science & inquiry
- 27Lab: Which Material Suits the Job?PRA · Working scientifically
- 28Lab: Watch the WeatherPRA · Practical science & inquiry
- 29Investigate: Match the SensesPRA · Working scientifically
- 30Investigate: Light and ShadowsPRA · Working scientifically
- 31Investigate: Sound All AroundPRA · Practical science & inquiry
- 32Caring for Living ThingsDIV · Diversity of life
- 33Test and RecordSCI · Working scientifically
- 34My Healthy DayCTX · Science around us
- 35Where Light Helps UsCTX · Science around us
- 36Challenge: Mystery MaterialENR · Enrichment challenge
- 37Term 3 Review & CheckpointREV · Term review
Stage 3
- 1Plants, Animals, Fungi and BacteriaDIV · Diversity of life
- 2Six Animal GroupsDIV · Diversity of life
- 3Three Life Cycles ComparedCYC · Cycles & change
- 4From Seed to SeedCYC · Cycles & change
- 5Inside Our Amazing BodySYS · Systems in our body
- 6How Light Reaches Our EyesENE · Energy
- 7Magnet Poles: Push or Pull?INT · Interactions & forces
- 8The Moon, Earth and SunEAS · Earth and space
- 9Models and DiagramsSCI
- 10Animals in Our HabitatCTX · Science around us
- 11Our Mini GardenCTX · Science around us
- 12Term 1 Review & CheckpointREV · Term review
- 13Investigate: Plant, Animal or Fungus?PRA · Practical science & inquiry
- 14Comparing Materials, Choosing WiselyDIV · Diversity of life
- 15Lab: Order the Life CyclePRA · Working scientifically
- 16How a Plant's Parts Work TogetherSYS · Systems & structures
- 17Investigate: Meet Your Major OrgansPRA · Practical science & inquiry
- 18Shadows: Long, Short and ShapedENE · Energy
- 19Pushes, Pulls and MotionINT · Interactions & forces
- 20Design, Build, Test, ImproveTEC · Design & make
- 21Science DetectiveSCI · Working like a scientist
- 22Model Day and NightCTX · Science around us
- 23Challenge: Science Detective CasesENR · Enrichment challenge
- 24Term 2 Review & CheckpointREV · Term review
- 25Investigate: Backbone or No Backbone?PRA · Practical science & inquiry
- 26Investigate: Best Material for the JobPRA · Practical science & inquiry
- 27Investigate: Seed to SeedPRA · Practical science & inquiry
- 28Investigate: What Does Each Plant Part Do?PRA · Working scientifically
- 29Investigate: How Does Light Travel?PRA · Practical science & inquiry
- 30Making Sounds: Vibration and PitchENE · Energy, forces and sound
- 31Earth's Materials and FossilsEAS · Earth and space
- 32Ask, Predict, Test, RecordPRA · Practical science & inquiry
- 33Choosing Materials to ReuseCTX · Science around us
- 34Sounds in Our WorldCTX · Science around us
- 35Challenge: Build-a-Key ChampionENR · Enrichment challenge
- 36Term 3 Review & CheckpointREV · Term review
Stage 4
- 1Solids, Liquids and GasesCYC · Cycles & change
- 2Changes of StateCYC · Cycles & change
- 3Classification KeysDIV · Diversity of life
- 4HabitatsDIV · Diversity of life
- 5Bones and MusclesSYS · Systems in our body
- 6How Water Travels Through a PlantSYS · Systems & structures
- 7Light and MaterialsINT · Interactions & forces
- 8Day, Night and PlanetsEAS · Earth and space
- 9Olympiad Lab: Best ExplanationSCI
- 10Design: Keep a Drink WarmCTX · Science around us
- 11States of Matter at HomeCTX · Science around us
- 12Term 1 Review & CheckpointREV · Term review
- 13Investigate: Solid, Liquid or Gas?PRA · Practical science & inquiry
- 14Mixtures and SeparatingCYC · Cycles & change
- 15Investigate: Build a Branching KeyPRA · Practical science & inquiry
- 16Food Groups and a Balanced DietDIV · Diversity of life
- 17Investigate: Bones, Muscles and JointsPRA · Working scientifically
- 18Heat and TemperatureENE · Energy
- 19Forces and FrictionINT · Interactions & forces
- 20Engineering SolutionsTEC · Design & make
- 21Plan a Balanced MealCTX · Science around us
- 22Make a Solar System ModelCTX · Science around us
- 23Challenge: Data DetectiveENR · Enrichment challenge
- 24Term 2 Review & CheckpointREV · Term review
- 25Investigate: Melting and FreezingPRA · Practical science & inquiry
- 26Investigate: Separating MixturesPRA · Working scientifically
- 27Investigate: What a Habitat ProvidesPRA · Investigate & measure
- 28Investigate: Build a Balanced PlatePRA · Practical science & inquiry
- 29Investigate: Water's Journey Up a StemPRA · Practical science & inquiry
- 30Simple CircuitsENE · Energy
- 31Earth's StructureEAS · Earth and space
- 32Fair TestingSCI
- 33Survey a Local HabitatCTX · Science around us
- 34Using Electricity WiselyCTX · Science around us
- 35Challenge: Design Under LimitsENR · Enrichment challenge
- 36Term 3 Review & CheckpointREV · Term review
Stage 5
- 1Pollination, Seeds and New PlantsCYC · Cycles & change
- 2How Animals and Humans Begin New LifeCYC · Cycles & change
- 3Particles on the MoveCYC · Cycles & change
- 4Adaptations for SurvivalDIV · Diversity of life
- 5The Digestive SystemSYS · Systems in our body
- 6Cells and How Plants TransportSYS · Systems in living things
- 7Food ChainsINT · Interactions & energy
- 8Earth in SpaceEAS · Earth and space
- 9Showing DataSCI · Working scientifically
- 10Protect a Local HabitatCTX · Science around us
- 11Make a Food-Chain PosterCTX · Science around us
- 12Term 1 Review & CheckpointREV · Term review
- 13Investigate: Seeds and DispersalPRA · Practical science & inquiry
- 14The Water CycleCYC · Cycles & change
- 15Investigate: Modelling ParticlesPRA · Practical science & inquiry
- 16Microorganisms All Around UsDIV · Diversity of life
- 17Investigate: The Digestive JourneyPRA · Working scientifically
- 18Light and ColourENE · Energy
- 19Caring for Our WorldINT · Caring for our world
- 20Engineering a SolutionTEC · Design & make
- 21Challenge: Olympiad ReasoningSCI · Working scientifically
- 22Why Clean Water MattersCTX · Science around us
- 23Challenge: Multi-Step MysteriesENR · Enrichment challenge
- 24Term 2 Review & CheckpointREV · Term review
- 25Investigate: Animal Life CyclesPRA · Practical science & inquiry
- 26Investigate: A Mini Water CyclePRA · Practical science & inquiry
- 27Investigate: Adaptations for a HabitatPRA · Practical science & inquiry
- 28Investigate: Mould and MicroorganismsPRA · Practical science & inquiry
- 29Breathing and BloodSYS · Systems in our body
- 30Series CircuitsENE · Energy
- 31Atmosphere and WeatherEAS · Earth and space
- 32Hypothesis and DesignSCI
- 33How to Keep Our Body HealthyCTX · Science around us
- 34Why We Have SeasonsCTX · Science around us
- 35Challenge: Fair-Test TrapsENR · Enrichment challenge
- 36Term 3 Review & CheckpointREV · Term review
Stage 6
- 1Nature's Cycles and a Warming EarthCYC · Cycles & change
- 2Inheritance and VariationCYC · Cycles & change
- 3Atoms, Elements and CompoundsCYC · Cycles & change
- 4Groups of Living Things and MicrobesDIV · Diversity of life
- 5Helpful and Harmful MicrobesDIV · Diversity of life
- 6How Plants Make Their Own FoodENE · Energy
- 7Food Webs and EcosystemsINT · Interactions & energy
- 8Speed, Density and Motion GraphsINT · Interactions & forces
- 9Body Systems TogetherSYS · Systems in our body
- 10Earth, Moon and SunEAS · Earth and space
- 11Eclipses of the Sun and MoonEAS · Earth and space
- 12Challenge: Advanced Olympiad ReasoningSCI · Working scientifically
- 13Protecting BiodiversityCTX · Science around us
- 14Term 1 Review & CheckpointREV · Term review
- 15Investigate: The Water CyclePRA · Practical science & inquiry
- 16Changes You Can Undo — and Changes You Can'tCYC · Cycles & change
- 17Investigate: Atoms and ElementsPRA · Practical science & inquiry
- 18Forms of Energy All Around UsENE · Energy
- 19Waves, Light and SoundENE · Energy
- 20Human Impact and ConservationINT · Interactions & energy
- 21Series and Parallel CircuitsSYS · Systems & structures
- 22Cells to SystemsSYS · Systems in our body
- 23Engineering DesignTEC · Design & make
- 24Climate Change: Our ActionsCTX · Science around us
- 25Challenge: Cross-Topic OlympiadENR · Enrichment challenge
- 26Term 2 Review & CheckpointREV · Term review
- 27Investigate: Variation and InheritancePRA · Practical science & inquiry
- 28Investigate: Reversible and Irreversible ChangesPRA · Practical science & inquiry
- 29Investigate: Cells and MicrobesPRA · Practical science & inquiry
- 30Energy Changes FormENE · Energy
- 31Forces All Around UsINT · Interactions & forces
- 32Forces, Motion and Simple MachinesINT · Interactions & energy
- 33Conductors, Insulators and SafetySYS · Systems & structures
- 34Rocks and the Rock CycleEAS · Earth and space
- 35Controlled ExperimentsSCI · Working scientifically
- 36Repeat and AverageSCI · Working scientifically
- 37Energy Audit of a RoomCTX · Science around us
- 38Challenge: Quantitative ReasoningENR · Enrichment challenge
- 39Term 3 Review & CheckpointREV · Term review
