SPACE
✓ DoneMoon Phases Explorer
Move the Moon around Earth and watch its shape change night by night.
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Class 6 simulators
63 activities matched to your class. Choose a topic and try something new.
Forces, energy, heat, solutions, equations, transformations, rivers and probability.
By subject: Science (20), Maths (10), Space (8), Earth (13), Technology (4), Environment (8).
SPACE
✓ DoneSolar System Orbit Explorer
Speed up time and watch eight planets race around the Sun.
SCIENCE
✓ DoneRainbow and Light Refraction Lab
Bend a beam of light through water, glass or diamond and split it into colours.
SCIENCE
✓ DonePlant Growth Conditions Lab
Give a seedling sun, water and warmth, then find the perfect mix.
SCIENCE
✓ DoneFloat or Sink Density Lab
Drop objects into water, oil or honey and discover why some float.
SCIENCE
✓ DoneSimple Circuit Builder
Connect batteries, bulbs and a switch, then see what glows.
EARTH
✓ DoneWater Cycle Explorer
Heat the sea, grow a cloud and make it rain: the same water, round and round.
EARTH
✓ DoneWeather Maker
Mix temperature, humidity, pressure and wind to cook up today’s weather.
EARTH
✓ DoneEarthquake and Plate Tectonics Explorer
Push tectonic plates together, apart or past each other until the ground shakes.
ENVIRONMENT
✓ DoneFood Chain Balance Simulator
Grass, rabbits and foxes: change one and watch the whole chain wobble.
SCIENCE
✓ DonePhotosynthesis Lab
Feed a leaf light, carbon dioxide and warmth and count the oxygen bubbles.
SCIENCE
✓ DoneDigestion Journey
Follow a bite of food from the mouth to the end of the gut.
MATHS
✓ DoneFractions Pizza & Shape Visualizer
Slice a pizza, colour the pieces and see fractions, decimals and percents match up.
MATHS
✓ DoneGeometry Area and Perimeter Builder
Stretch rectangles, triangles and circles on a grid and watch area and perimeter change.
MATHS
✓ DoneProbability Playground
Flip coins, roll dice and spin spinners hundreds of times, then compare with the maths.
MATHS
✓ DoneData and Graph Explorer
Change the numbers and watch bar, line and pie charts redraw, plus mean, median and mode.
TECHNOLOGY
✓ DoneSecret Code and Encryption Playground
Scramble messages with Caesar, Atbash and keyword ciphers, then crack them.
TECHNOLOGY
✓ DoneAI Pattern Recognition Demo
Teach a tiny AI to tell shapes apart by drawing examples, then test it.
ENVIRONMENT
✓ DoneCarbon Footprint Calculator
Adjust travel, electricity, food and shopping to see your yearly CO₂, and how to shrink it.
ENVIRONMENT
✓ DoneRenewable Energy City Planner
Power a growing city with solar, wind, hydro and coal, balancing cost, pollution and blackouts.
SCIENCE
✓ DoneForce and Friction: Push, Slide and Stop
Push a block across ice, wood, concrete or rubber and watch the force arrows fight it out.
SCIENCE
✓ DoneKinetic and Potential Energy: Build a Coaster
Design a coaster track, release the cart and watch energy change form.
SCIENCE
✓ DoneLevers and Moments: Balance the Beam
Slide weights along a beam until the clockwise and anticlockwise turns cancel.
SCIENCE
✓ DoneSound Waves: See Pitch and Loudness
Change the frequency and amplitude of a tone and watch the wave change shape.
SCIENCE
✓ DoneMagnetic Fields: Follow the Compass
Move a bar magnet and watch a grid of compass needles swing to follow the field.
SCIENCE
✓ DoneWater Pressure: Explore Below the Surface
Lower a gauge into a tank and watch pressure climb with depth, not with width.
SCIENCE
✓ DoneHeat Transfer: Track Hot and Cold
Touch a hot block to a cold one and watch energy flow until they match.
SCIENCE
✓ DoneSolutions and Solubility: How Much Will Dissolve?
Stir solute into water and find the point where no more will dissolve.
SCIENCE
✓ DoneSeparation of Mixtures: Choose the Right Method
Pick the right method for each mixture and split it into pure substances.
SCIENCE
✓ DoneBlood Circulation: Trace a Heartbeat
Follow a red blood cell through the heart, the lungs and the body, twice per lap.
SCIENCE
✓ DoneLungs and Breathing: Follow Oxygen Inside
Move the diaphragm yourself and watch air rush in and out of the lungs.
MATHS
✓ DoneLinear Equations: Keep Both Sides Equal
Do the same thing to both sides of a balance until x stands alone.
MATHS
✓ DoneNegative Numbers: Travel Across Zero
Move two markers on a number line and compare values above and below zero.
MATHS
✓ DoneCoordinate Geometry: Find the Hidden Point
Plot points in all four quadrants and hunt for a hidden pair of coordinates.
MATHS
✓ DoneGeometric Transformations: Move, Flip and Turn
Translate, reflect, rotate and dilate a shape and read the coordinate rule.
MATHS
✓ Done3D Shapes and Nets: Fold a Flat Pattern
Fold a flat net into a solid and test which arrangements really close up.
MATHS
✓ DoneTriangle Angles: Discover the 180° Rule
Drag the corners of a triangle and watch the three angles always total 180 degrees.
SPACE
✓ DoneDay, Night and Seasons: Discover Earth’s Tilt
Change the tilt, the date and your latitude and watch the daylight hours change.
EARTH
✓ DoneRiver Erosion: Watch Water Shape the Land
Change the flow and the sediment supply and watch a meander grow year by year.
EARTH
✓ DoneRock Cycle: Change a Rock’s Story
Apply heat, pressure, weathering and melting to send a rock around the cycle.
TECHNOLOGY
✓ DoneCoding Loops and Conditions: Guide the Robot
Build a program from moves, turns, loops and conditions to reach the star.
TECHNOLOGY
✓ DoneBinary Numbers: Count with Zero and One
Flip eight lamps on and off and read the decimal number they spell out.
SPACE
✓ DoneLunar Landing Challenge: Touch Down Softly
Fly a lander down to the Moon, working the throttle so you touch down under 3 m/s with fuel to spare.
SPACE
✓ DoneEclipse Shadow Lab: Solar and Lunar Eclipses
Move the Moon round its tilted orbit and see exactly when its shadow reaches Earth, and when Earth’s shadow reaches it.
SPACE
✓ DoneComet Orbit and Tail Lab: Why the Tail Points Away
Stretch a comet’s orbit, fly it past the Sun and watch it speed up, grow a tail and always point that tail away from the Sun.
SPACE
✓ DoneSpace Station Life Support: Keep the Crew Breathing
Run a space station for 30 days: balance oxygen, carbon dioxide, water and solar power so the crew never runs short.
SPACE
✓ DoneMeteor or Meteorite? Will the Rock Reach the Ground?
Set a rock’s size, speed, angle and material, drop it through the air and predict whether it burns up or lands.
EARTH
✓ DoneGroundwater Explorer: Will the Well Run Dry?
Set the monsoon, the paving and the pumping, run the months and watch the water table rise and fall past your well.
EARTH
✓ DoneGlacier Time Machine: Advance, Retreat and Sea Level
Set the snowfall and the warming, run the years and watch a valley glacier grow or shrink, then read how much sea level the lost ice adds.
EARTH
✓ DoneOcean Current Explorer: Wind, Spin and the Great Loops
Turn the wind up, switch Earth’s spin on and off, and follow a drifting bottle round an ocean gyre while coastal thermometers change.
EARTH
✓ DoneTide Lab: Two High Tides a Day, Spring and Neap
Turn the Earth under the Moon’s two bulges, move the Moon round its orbit and watch the tide at your town swing from spring to neap.
EARTH
✓ DoneSoil Detective: Sand, Silt, Clay and Water
Mix sand, silt and clay, pour water on your soil and see how fast it soaks in, how much stays, and whether a plant would thrive.
EARTH
✓ DoneFossil Formation Lab: From Seabed to Stone
Bury a dead fish, shell or jellyfish under sediment, set the oxygen and scavengers, and see whether anything survives to become a fossil.
EARTH
✓ DoneCave and Sinkhole Explorer: Water That Eats Rock
Send slightly acidic rain through limestone for thousands of years, watch a crack grow into a cave and see the roof fall in as a sinkhole.
EARTH
✓ DoneMonsoon Wind Machine: Why the Winds Reverse
Run the year on a coast, watch land and sea temperatures pull apart, and see the wind swing from land to sea and bring the rains.
ENVIRONMENT
✓ DoneFlood-Ready Town: Where Does the Storm Water Go?
Pave the town, dig drains, keep a wetland and raise the embankment, then hit it with a storm and count the houses that flood.
ENVIRONMENT
✓ DoneClean Air Challenge: Read the AQI, Fix the Air
Turn the traffic, factories, stubble fires and dust up or down, add wind, rain or a winter inversion, and watch the PM2.5 and AQI respond hour by hour.
ENVIRONMENT
✓ DoneDeforestation Lab: What a Hillside Loses with Its Trees
Clear or replant a hillside and read what changes: run-off, soil washed into the river, water reaching the ground and carbon stored.
ENVIRONMENT
✓ DoneStop Plastic Pollution: Follow the Plastic to the Sea
Set how much a town reduces, reuses, collects and recycles, run the years and watch how much plastic piles up in the sea.
ENVIRONMENT
✓ DoneCompost Lab: Turn Waste into Soil
Mix greens and browns, set the moisture and turning, and see how many days your heap takes to become compost, or whether it turns smelly.
SCIENCE
✓ DonePaint Mixer
Squeeze red, yellow, blue and white paint into a bowl and see what colour you make.
SCIENCE
✓ DoneMatch the Colour
Mix paint drop by drop to match the colour on the card, across 50 levels.
SCIENCE
✓ DoneHide the Chameleon
Paint a chameleon so a hungry bird cannot spot it, then make it stand out for a friend.
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