Science projects by class
Science projects for class 9 and 10: 467 ideas.
Every idea on this list suits class 9 and 10. 420 of them have numbered build steps, and each one explains the science, lists the materials and says how long it takes and how to stay safe. Pick a subject, or use the finder to narrow by type and difficulty.
Other classes: Class 1 to 5, Class 6 to 8, Class 11 and 12, College and diploma.
Physics
Physics projects for class 9 and 10
- Hydraulic arm with syringes
- Electromagnet
- Simple electric motor
- Wind turbine that lights an LED
- Plastic bottle vacuum cleaner
- AC generator (electromagnetic induction)
- Human eye and its defects
- Light trapped in a stream of water
- Hydroelectric power plant model
- Water bottle rocket
- Ohm’s law checked on a pencil-lead resistor with a V-I graph
- How resistance changes with the length and thickness of nichrome wire
- Demonstration board comparing series and parallel torch bulbs
- Conductivity of salt water against concentration with two carbon rods
- Electromagnet lifting power against number of turns and current
- Homopolar motor from a screw, a cell and a neodymium magnet
- Shake torch: a magnet moving through a coil lights an LED
- Mapping magnetic field lines of bar magnets and a current-carrying wire
- Joule heating: water temperature rise against voltage
- Potential divider: output voltage from a pencil lead and an LDR
- Force on a current carrying wire: swinging foil strip in a magnet gap
- Torch bulb V-I curve: why a hot filament is not ohmic
- Convex lens focal length from a u-v graph on a metre rule bench
- Concave mirror: where the image forms and how big it is
- Critical angle of water: the vanishing pin under a floating disc
- Glass slab pin method: Snell’s law from a sin i against sin r graph
- Two-lens compound microscope model with measured magnification
- Two-lens astronomical telescope: magnifying power equals f0 divided by fe
- Inverse square law of light with an LED and a phone lux meter
- Specific heat of metal pieces by the method of mixtures
- Butter dabs on metal rods: which metal conducts heat best
- Echo clapping rhythm: speed of sound from a distant wall
- Newton’s second law: trolley pulled by a falling weight
- Rubber band launcher: range against launch angle, maximum at 45 degrees
- Archimedes’ principle with an overflow can and a rubber-band balance
- Straw hydrometer: calibrating a float to measure liquid density
- Finding g with a simple pendulum: T² against length graph
- Savonius wind turbine from cans: lifting a weight at different wind speeds
- Rolled newspaper tube bridge: how much can it carry?
- Ice-cream stick truss bridge that spans 40 cm
- CD and paper Newton colour disc that turns white when spun
- Shoebox spectroscope using a piece of CD as a grating
- Syringe-powered hydraulic arm from cardboard and ice-cream sticks
- Archimedes screw water lifter from a bottle and a plastic tube
- Savonius wind turbine from two halves of a plastic bottle
- Pot-in-pot clay cooler: how evaporation keeps food cool
- Cardboard gear train with a cap handle and a measured speed ratio
- Straw and tape wave machine for transverse waves
- Principle of moments board from a ruler and paper-clip hooks
- Cardboard dam model that shows why a dam is thicker at the base
- Newton’s cradle from marbles, thread and an ice-cream stick frame
- Pizza box solar oven that warms a cup of water
- Spool block and tackle that lifts a brick: counting the ropes
- Popcorn: does soaking the kernels change how many pop?
- Cooking time against size: potato cubes in boiling water
- Sugar in fruit juice from the density of a floating egg
- Honey and oil flow: a marble drop viscosity test
- Boiling water at room temperature in a syringe: the pressure cooker idea
- Sticky tape strength: how overlap length changes the load it holds
- Cooling curves of hot water: lid, no lid, wide and narrow pots
- How tall must a mirror be to see your whole body?
- Water siphon from a kitchen tube: height difference and flow rate
- Which surface colour heats up fastest in the sun? Four can test
- How many clear layers does a solar heater plate need? Glazing test
- Vertical Savonius turbine from two halves of a plastic bottle
- Two, three, four or six blades: which rotor turns a dynamo best?
- Overshot against undershot water wheel lifting the same load
- Hand-crank generator: voltage against cranking speed
- Small solar cells in series and in parallel, with one cell shaded
- Pot-in-pot clay cooler that keeps vegetables fresh without electricity
- Windmill pump model that lifts water with a crank and syringe
- Sprinkler irrigation model from a drilled pipe and a bucket head
- Drip emitter flow against reservoir height: pressure head test
- Gravity dam profile model: why the base is thick and the top thin
- Canal lock model that lifts a boat between two water levels
- Archimedes screw water lifter from a bottle and a coil of tube
- Hand pump model from a bottle, tube and two one-way flaps
- Two-lens refracting telescope from a pair of magnifying glasses
- Whirling ball orbit: how speed changes with string length
- CD spectroscope that splits daylight, bulb and tube light
- Gaganyaan-style crew capsule with a parachute to land an egg astronaut
- Bounce height of cricket, tennis and rubber balls on grass, concrete and sand
- Launch angle and range with a spring catapult: is 45 degrees best?
- Flat sole, studs and spikes: friction on a muddy tray
- Ruler-drop reaction time: dominant hand, other hand and a warning sound
- Kite flying physics: tail length, string angle and wind speed
- Balance point of a cricket bat, a hockey stick and a bicycle pump
- Spinning paper-cup curve: the Magnus effect behind swing and spin bowling
- Standing long jump: does an arm swing add distance?
- Playground swing as a pendulum: does the rider’s weight change the time?
- 30 metre sprint speeds of a class timed with a pair of stopwatches
- Football air pressure and bounce height with a hand pump
- Playground seesaw: where must two children sit to balance?
- Carrom striker slide: how powder changes friction and stopping distance
- Baking-tray ripple tank: reflection and refraction of water waves
- Speed of sound from an echo: clapping in time with a wall
- Blowing over a tube: pitch against air column length
- Electrophorus: charging a foil plate again and again by induction
- Latent heat of melting ice measured by mixing ice with warm water
- Cooling curve of hot water in a bare cup, a lidded cup and a wrapped cup
Chemistry
Chemistry projects for class 9 and 10
- Red cabbage indicator
- Lemon and potato battery
- What makes iron rust?
- Paper chromatography of inks
- Electrolysis of water
- pH of household substances
- Temperature and the rate of a reaction
- Simple food adulteration tests
- Comparing water hardness of local samples by soap drop count
- Testing milk for added water, starch and detergent
- Is the honey pure? Kitchen tests against sugar syrup
- Rate of reaction and surface area: whole, halved and crushed tablets
- Rate of reaction and concentration: vinegar strength by mass loss
- Electroplating a steel key with copper from copper sulphate
- Which cold drink is most acidic? Baking soda drop count
- pH of tea and coffee against brewing time and added milk
- Corrosion rate of iron nails against salt concentration
- Comparing vinegar brands by drop titration with washing soda
- Which antacid neutralises the most acid? A vinegar drop count
- How much calcium carbonate is in an eggshell? Mass loss in vinegar
- Hot or cold? Temperature change when different solids dissolve
- Iron nail in copper sulphate: weighing the copper that appears
- Cooling curve of candle wax: where the temperature stops falling
- Does salt raise the boiling point of water? A measured test
- Charles’s law with a sealed syringe in cold and hot water baths
- Catalyst race: which kitchen catalyst breaks down hydrogen peroxide fastest?
- Dyeing cotton with turmeric and onion skin: does a mordant help?
- Spinach leaf pigments separated by paper chromatography with Rf values
- Bohr atom models for the first ten elements with beads and wire
- Ball and stick molecules of water, CO2 and methane from clay and sticks
- Periodic table wall chart of the first 20 elements with shell cups
- Does salt or sugar change the boiling point of water?
- Why fresh pineapple stops jelly from setting
- Hard water scale: which kitchen acid dissolves it best?
- Are all steel utensils magnetic? Testing a kitchen full of metals
- pH of garden, farm and roadside soil using red cabbage indicator
- Alum against moringa seed powder: which clears muddy water faster?
- Steel wool in a jar: how much of the air is oxygen?
- Homemade cold pack: temperature drop when citric acid meets baking soda
- Solubility against temperature: kitchen salt compared with alum
- Limewater from chuna: is there more carbon dioxide in the breath we blow out?
- Bringing back tarnished silver with aluminium foil and baking soda
- Yeast as a catalyst: foam height from 3 percent hydrogen peroxide
- Tyndall torch beam: telling solutions from colloids and suspensions
Biology
Biology projects for class 9 and 10
- Human digestive system model
- Working lungs model
- Human heart model with double circulation
- Plant and animal cell models
- DNA double helix model
- Reflex arc model
- Does the colour of light affect plant growth?
- Yeast fermentation and temperature
- Osmosis in potato strips
- Extract DNA from a banana
- Foil on a leaf: where does the plant store starch?
- Tall cup and short cup: does root room change growth?
- Counting oxygen bubbles from Hydrilla at different light distances
- Spinach leaf pigments separated on filter paper
- Detached leaves left on a tray: which type loses weight fastest?
- Rhoeo leaf peel: counting stomata and guard cells
- Ear model with a funnel and balloon eardrum and dancing salt
- Shoebox eye model with a lens that shows an upside-down image
- Is there a tongue map? Testing sweet, salt, sour and bitter
- Two-point touch test on fingertip, palm and forearm
- Ruler-drop reaction time: does practice or distraction change it?
- Lung volumes measured by water displacement in a bottle
- Pulse rate before and after exercise: a recovery graph
- Kidney filtration model with a strainer, cloth and funnel
- Vein valve model: how muscle squeezes push blood one way
- Villi and surface area: flat cloth against a looped towel
- Fat spot test on brown paper: nuts, snacks, fruit and sweets
- Salt and yeast: how much does salt slow a rising dough?
- Banana ripening in bags: does a ripe fruit speed it up?
- Idli batter rise diary: a warm corner against a cool corner
- Curd setting time at three temperatures
- Closed bottle garden that recycles its own water
- Flower visitor watch: counting pollinator visits by colour and time of day
- Compost bucket temperature log: green waste against a green and brown mix
- Leaf litter in mesh bags: which leaves rot fastest in soil?
- Root nodules on a pulse plant: tiny nitrogen factories
- Onion peel slide: cell wall, nucleus and the size of one cell
- Catalase in potato: raw, boiled and crushed pieces make different foam
- Fresh and tinned pineapple in jelly: an enzyme that eats protein
- Mendel with coins: tossing a pea cross to find the 3 to 1 ratio
- Kidney filter model with sand, gravel and cotton in a bottle
- Blood circulation model with a squeeze-bottle heart and coloured water
- Model of the human eye with a water-filled bottle lens
- Layered foam sheet model of a leaf cross-section with stomata
- Dough rise measured with a rubber band: sugar and salt effects
- Salt and sugar as preservatives: pickling cut vegetables
- At what milk temperature does curd set best?
- How fast does milk sour: fridge, shade, sun and boiled
- Balloon biogas digesters: kitchen waste against cow dung slurry
- Compost heap temperature log: heat from living microbes
- Hydroponic mint and spinach grown in a cut bottle with no soil
- Fenugreek in nutrient water against garden soil: a growth race
- Cotton wick self-watering planter: how long can a plant go unwatered?
- Salty irrigation water: how much salt can seeds tolerate?
- Compost, vermicompost and plain soil: which grows beans best?
- Neem, garlic and soap sprays compared on leaf-eating damage
- Ant repellents compared: turmeric, chalk, clove powder and vinegar line
- Class seed bank of local varieties with germination record cards
- Seed age and storage method: how germination falls with time
- Protecting stored pulses from weevils with neem, ash and turmeric
- Earthworm food choice chamber: what do vermicompost worms prefer?
- Thali balance survey: what food groups does a class eat at lunch?
- Pulse rate and recovery time after skipping, plotted on a graph
- Breaths per minute at rest, after stairs and after a short run
- School bag weight and standing posture: a photo and tape-measure survey
- Sleep diary and morning reaction time across a school week
- Does washing longer remove more? A 5, 10 and 20 second hand-wash test
- Hidden sugar in cold drinks shown as spoonfuls on the table
- Reading food labels: comparing three biscuits per 100 g
- Class water diary: how much do students drink on a hot school day?
- Eggshell tooth test: which drinks stain and soften it overnight?
- Salt in snack packets: a bar chart from sodium on the labels
- Pupil size in bright and dim light, measured with a mirror and ruler
- One-leg balance time with eyes open, eyes closed and a moving floor
- Lung capacity measured by water displacement in a marked bottle
- Phone camera drop lens: stomata on a leaf and life in pond water
- Bile model: how liver juice breaks oil into tiny droplets
Maths
Maths projects for class 9 and 10
- Pythagoras theorem model
- Area of a circle by cutting sectors
- Probability with coins and dice
- Clinometer for heights and distances
- Fibonacci numbers in nature
- Napier's bones multiplication rods made from ice-cream sticks
- Five Platonic solids folded from cardboard nets
- Rice-pouring proof that a cone is one third of a cylinder
- Unit circle trigonometry board with a swinging radius arm
- Knotted 3-4-5 rope for making right angles like builders
- Measure a tree's height from shadows and similar triangles
- Nail-board Galton machine that drops beads into a bell curve
- Birthday paradox survey across the sections of a school
- Balance beam that finds the mean of a data set
- Pascal's triangle cup pyramid with hidden number patterns
- Golden rectangle and spiral built from compass squares
- Estimate pi by scattering rice over a square and its circle
- Cardboard algebra tiles that factorise x squared plus 5x plus 6
- Pinboard coordinate plane with string lines, slopes and intercepts
- Matchstick Nim game board with its unbeatable strategy
- Tower of Hanoi from bottle caps with the 2 to the n minus 1 rule
- Day-of-the-week wheel that dates any day with the doomsday rule
- Vedic maths flip board for squaring numbers ending in 5
- Nikhilam slider that multiplies numbers near 100 in one line
- String art parabola made from straight lines only
- Seven bridges of Konigsberg board with removable bridges
- Width of a pond or river from a baseline and the sine rule
- Sine wave drawn by a turning wheel and a moving roll of paper
- Arm span against height: scatter plot, mean, spread and best-fit line
- Area of a leaf by random dots: a Monte Carlo estimate with a check
- Monty Hall with three cups: should you switch? 100 trials and the proof
- How long is a game of snakes and ladders? 100 simulated games
- Balancing a cardboard triangle at its centroid, checked by coordinates
- Taxicab geometry on a city grid: distances, midpoints and square circles
- Bouncing ball: a geometric sequence of heights and its infinite sum
- Straw and pipe-cleaner dome that shows why triangles are rigid
- Straw and protractor clinometer to find building height by trigonometry
- Decoding the home electricity bill: units, slabs and appliance costs
- Piggy bank mathematics: simple against compound interest
- Is a 1 kg packet really 1 kg? Sampling and averages with a kitchen scale
- String wound on a half ball: surface area of a sphere is four circles
- Cone, hemisphere and cylinder of equal radius: volumes in ratio 1 to 2 to 3
- Mirror on the ground: finding the height of a tree or building by similar triangles
- Pin and thread board for the circle theorem: angle at the centre is double
- One 40 cm thread loop, many shapes: which encloses the most area?
Earth and space
Earth and space projects for class 9 and 10
- Sundial
- Seismograph model
- Why we have seasons
- Hair hygrometer that measures humidity with a single strand
- Why volcanoes have different shapes: a lava thickness test
- Hand-driven shake table that tests which tower survives an earthquake
- Scratch test kit that ranks local rocks on the Mohs hardness scale
- Jar settling test that finds the sand, silt and clay in garden soil
- Lunar eclipse model that explains why the Moon turns red
- Rotating planisphere star finder for your latitude
- Moon and tides model with two bulges and a spinning Earth
- Solar system distances rolled out on a toilet paper strip
- Torch on a grid showing why slanting sunlight gives cooler seasons
- Stream table in a tray that grows river meanders and sandbars
- Aquifer in a jar with a working well and a pollution test
- Why the monsoon blows: sand versus water heating and cooling test
- Measuring the Earth’s circumference from shadows in two cities
- Find your latitude with a straw, a protractor and the Pole Star
- Diameter of the Sun from a pinhole image on a card
- Parallax: measuring distance to a tree with a thumb and your eyes
- Counting stars in a tube: a light pollution survey of your town
- Capillary rise of water in sand, silt and clay columns
- Sand tank with two wells: drawdown and well interference
- Crumpled paper watershed that traces rain and pollution to the river
- Solar system to scale on a school field, planet by planet
- Star trail sketches that show the Earth turning
- Equinox noon shadow: finding your latitude with a vertical stick
- Stretched cloth gravity well with marbles in orbit
- ISRO missions timeline strip from Aryabhata to Gaganyaan
- Night-sky clock that tells time from the Saptarishi stars
- Globe and torch model of sunrise time gaps across India
- Pinhole projector for watching a partial solar eclipse safely
- Measuring the Moon’s angular size with a coin and a metre ruler
- Eratosthenes’ method: estimating Earth’s size from two cities’ shadows
- Comet model whose tail always points away from the Sun
- Mars rover model with rocker-bogie suspension from cardboard
Electronics and robotics
Electronics and robotics projects for class 9 and 10
- Automatic street light with an LDR
- Water level indicator
- Smart dustbin with Arduino
- Obstacle-avoiding robot
- Line follower robot
- Automatic plant watering system
- Pocket dark detector that beeps when you cover the LDR
- Bucket overflow alarm that beeps when water touches two wires
- Rain alarm with an interleaved foil strip sensor on a card
- Two-station Morse telegraph line across a room with LEDs
- Energy transfer: one toy motor spins another that lights an LED
- Salt water conductivity tester with a transistor and an LED
- Pocket continuity tester with a buzzer and an LED in a tic-tac box
- Cardboard conveyor belt driven by a toy motor and rubber band
- Motorised cardboard crane that lifts a load with a thread spool and reversing switch
- Electric bell model with a nail electromagnet and a hacksaw blade clapper
- 555 timer blinking an LED once a second on a breadboard
- Finger touch sensor with two BC547 transistors that lights an LED
- 555 tone generator with a knob that changes the pitch of a piezo disc
- Magnetic door alarm with a reed switch that sounds when the door opens
- Bicycle wheel revolution flasher with a spoke magnet and a reed switch
- Thermistor hot water warning that beeps when a cup gets too hot
- Cold night warning LED for seedlings using an NTC thermistor
- Relay latching alarm that stays on after one press until reset
- Night fan: an LDR and relay module that start a motor when it gets dark
- Solar powered spinner: a small solar cell drives a toy motor top
- How the angle of a solar cell changes its voltage and LED brightness
- PIR corridor light that stays on for a set time after movement
- Room comfort meter with DHT11 and an OLED display
- Flame sensor store room alarm with a small sprinkler pump
- Automatic curtain that opens at dawn using an LDR and a DC motor
- Rain sensor that closes a model window with a servo when drops fall
- Tipping bucket rain gauge with a reed switch counted by Arduino
- Field bird scarer that flaps and beeps when a PIR detects movement
- Grain store humidity alarm with an ESP8266 that warns the phone
- Classroom noise meter with a sound sensor, LED bar and OLED readout
- Alternate LED flasher with two BC547 transistors and two capacitors
- LED strings on a 9 V battery: working out resistors for series and parallel
- Knob dimmer for an LED using a 10 kΩ potentiometer on a 9 V battery
- Weak cell finder: loaded and unloaded voltage of old and new AA cells
- Three-LED water level indicator for a bottle using three BC547 transistors
- Polarity-proof LED lamp: a four-diode bridge that works either way round
- Push button LED that fades out slowly, powered by a charged capacitor
- Measuring the current gain of a BC547 with a 1 MΩ and a 1 kΩ resistor
- Hot water alarm that buzzes when an NTC thermistor reaches about 45 degrees
- Light-chasing buggy with two LDR eyes steering two toy motors
- Knock sensor: a piezo disc and a BC547 that flash an LED when you tap the desk
- Secret code box: four toggle switches in series that light an LED in one setting
- Toy motor dynamo run by a bicycle tyre with two opposite LEDs
- Voltage divider board: measured against calculated voltages with a 10 kΩ load
- Two-tone siren built from two 555 timers and a small speaker
- Delay light: two BC547 transistors and a 100 µF capacitor that switch on after 20 seconds
- Eight-key toy organ with a 555 timer and a trimmer for each note
- Adjustable metronome with a 555 timer, a knob, an LED and a click
- How fast a toy motor spins with one, two, three and four AA cells
- Plant pot dry soil alert with two steel nails, a BC547 and an LED
- One LED used as a light sensor that switches a second LED through a BC547
- Capacitor charging curve plotted from a multimeter and a stopwatch
- Propeller thrust test: how blade angle and blade number change the push
- Car parking sensor with an Arduino whose beeps speed up as the wall nears
- Digital room thermometer with an LM35 and LCD showing the day’s minimum and maximum
- Digital lap stopwatch with an Arduino, three buttons and an LCD
- Two-road traffic junction with an Arduino and a pedestrian crossing button
- Reaction time tester with random delay and false start detection (Arduino)
- Simon memory game with four coloured LEDs, buttons and a buzzer
- Four-servo robot arm that copies the angles of four knobs
- Hand-wave theremin: an ultrasonic sensor that plays higher notes as your hand nears
- Touch-free soap dispenser with an ultrasonic sensor, relay and small pump
- Temperature-controlled 5 V fan with PWM speed steps and a logic-level MOSFET
- Double-clap switch for a 5 V USB lamp with a sound sensor and relay module
- Old TV remote that switches three LEDs and a servo through an IR receiver
- Coin-cell LED night lamp with an ice-cream stick switch
Environment
Environment projects for class 9 and 10
- Rainwater harvesting model
- Solar water heater model
- Greenhouse effect in a jar
- Biogas plant model
- Box-type solar cooker
- Vermicompost tub that turns kitchen peels into worm castings
- One-week plastic audit of a household with a bar chart of sources
- How much rain your roof can catch: a measured roof yield study
- Home energy audit using the meter, appliance labels and a week of logs
- LED, CFL and filament bulb: cost of light over ten years from the labels
- Is our rain acidic? Testing rainwater pH at three locations
- Noise map of your neighbourhood with a phone decibel meter
- Tree census of the school ground with species, girth and shade area
- Carbon footprint of the journey to school: petrol, bus, bicycle and walking
- Urban heat island: temperatures on road, roof, grass and under a tree
- Dissolved solids in ten water sources measured with a TDS meter
- How fast does rain soak in? Infiltration rate with a tin-can ring
- How strong is sunshine? Watts per square metre from a blackened can
- Evaporation from pans in sun, shade and wind: millimetres a day
- Weighing a fortnight of food waste: what we throw away and why
- Bowl and cup solar still that makes clean water from salty water
- How many litres does your family use in a day? A water audit
- Foil panel solar cooker that warms a pot of water
- Solar still in a basin that separates fresh water from salty water
- Solar dryer cabinet against open-air drying of chilli and fruit
- Paper and sawdust briquettes: how long do they burn compared with wood?
- Tin-can rocket stove model that boils water with a handful of twigs
- Classroom lighting audit: lux readings and how much LEDs would save
- Straw, leaf, paper and bare soil: which mulch keeps pots moistest?
- Greywater reuse: rice-wash, soapy and tap water on bean seedlings
- Polyhouse tunnel against open bed: temperature, humidity and seedling growth
- Terraces and contour furrows against straight slopes: runoff model
- Five home water cleaning methods ranked with a clarity tube
- Sunlight bottle disinfection model: temperature in clear, black-backed and shaded bottles
- Recharge pit model that refills a borewell tube from roof water
- Cutting pond evaporation with shade, floating balls and an oil film
- Litres per kilo of rice, wheat and vegetables: a virtual water table
Computing and coding
Computing and coding projects for class 9 and 10
- Scratch pen rangoli: rotating squares make a flower
- Scratch flying-bird game with gravity and moving pipes
- Scratch analogue clock that shows the real time
- Scratch two-player pong with paddles and a bouncing ball
- Scratch reaction-time tester using the timer block
- Python general knowledge quiz using a dictionary
- Python calculator with functions and a menu loop
- Python to-do list that saves tasks in a text file
- Python guess-the-number game with hints and a limit
- Python turtle spirograph of coloured circles
- Python text adventure: find the lost key in the school
- Python daily diary that adds dated entries to a file
- Python analysis of class marks from a CSV file
- Python chatbot that replies using keyword rules
- Python rock paper scissors with a rules dictionary
- Python password strength checker using made-up passwords
- Python unit converter for length, mass and temperature
- Python hangman game with a word list and six lives
- Python bill generator for a kirana shop
- Python turtle drawing of the Indian tricolour with chakra
- Python summary of monthly rainfall with a text bar chart
- Python Caesar cipher with a brute-force code breaker
- Python word counter that finds the ten most common words
- Python tic-tac-toe for two players with a win checker
- HTML personal home page with a photo, list and links
- HTML and CSS one-page online resume
- HTML recipe page for poha with ingredient and step lists
- HTML and CSS school magazine front page with columns
- HTML and CSS photo gallery with flexbox and hover zoom
- HTML class timetable with merged cells and striped rows
- HTML contact form with required fields and a dropdown
- CSS navigation bar linking a three-page website
- CSS animated Diwali card with a flickering diya
- HTML page with a dark mode button that remembers your choice
- Spreadsheet monthly household budget with over-budget checks
- Spreadsheet marksheet with total, percentage, grade and result
- Spreadsheet attendance register using COUNTIF
- Spreadsheet survey: pie chart of how classmates travel to school
- Spreadsheet pocket money tracker with a running balance
- Spreadsheet electricity bill estimator with unit slabs
- Spreadsheet comparing simple and compound interest over 20 years
- Spreadsheet temperature heat map for a month
- Spreadsheet sports day scoreboard using SUMIF
- Digital safety survey: how classmates handle passwords
- Digital safety test: can friends spot fake messages?
- Digital wellbeing: a one-week screen-time diary and plan
- Media literacy: check five forwarded messages before sharing
- AI literacy: testing a chatbot with twenty checkable questions
- AI literacy: train an image classifier on stationery items
- Digital privacy audit of app permissions with a parent
- AI literacy: can classmates tell AI-written text from student writing?
- Paper flowchart for an ATM withdrawal with three PIN tries
- Sorting number cards by hand: bubble sort against selection sort
- Binary number cards that count from 0 to 31 on paper
- Binary search against linear search on a sorted roll-number list
- Python explorer: prime sieve and Fibonacci golden ratio