Science projects
Your Science Exhibition Guide
Choose a project, build it, present it and answer the judges with confidence
Science project idea finder
1029 science project ideas, from class 1 to college.
Find a project by class, subject and type. Every idea explains the science it shows, what you need, how long it takes and how to stay safe, with free ebooks and ready-made kits if you need them. 930 ideas have numbered steps and viva questions on their own page.
Want a complete build with diagrams? 16 free detailed project guides
- Class 1 to 5Simple, safe models made with help at home.224 ideas
- Class 6 to 8Working models of the science you learn in class.485 ideas
- Class 9 and 10Energy, electricity, light and first robots.467 ideas
- Class 11 and 12Investigatory projects for the practical exam.332 ideas
- College and diplomaArduino, IoT and sensor projects.119 ideas
Idea finder
Find your project
Choose your class and what interests you, or search for a word such as magnet, solar, heart or robot. Open any card for a summary, or its title for the full page with the science, the steps and the viva questions.
ChemistryChallenging
Solubility curves: alum rises steeply with heat, salt hardly moves
Show detailsHide detailsWhat it shows
Solubility is the mass of solute that dissolves in a fixed amount of water at a given temperature. A plotted curve shows that for alum it rises sharply with temperature, and for common salt it hardly changes.
You will need
- Potash alum (phitkari), 30 g
- Table salt, 60 g
- Two boiling tubes or small steel tumblers
- A thermometer reading to 100 degrees C
- A measuring cylinder of 10 ml or a syringe
- A kitchen scale reading to 0.1 g or better
- A hot water bath on a stove and a spoon
- Graph paper
Safety: An adult must supervise all heating in the water bath and handle hot containers with tongs. Do not taste any solution. Wash hands after the work.
Take it further: Add a third curve for sugar, using larger masses, and compare its shape with the other two.
ChemistryChallenging
Vitamin C clock: a colourless mix that turns blue on time
Show detailsHide detailsWhat it shows
In a clock reaction nothing seems to happen for a measured time and then the colour changes suddenly. The delay depends on how much vitamin C is present, so the time can be used to measure concentration.
You will need
- A 500 mg or 1000 mg vitamin C tablet, crushed
- Tincture of iodine (2 per cent) from a pharmacy
- Hydrogen peroxide 3 per cent from a pharmacy, 100 ml
- Starch paste: half a teaspoon of corn flour boiled in 100 ml water and cooled
- Five clear glasses and a syringe or dropper for measuring
- A stopwatch and white paper
- Warm and cold water for the temperature test
Safety: An adult must supervise. Tincture of iodine is poisonous if swallowed and stains skin and clothes. Hydrogen peroxide can irritate eyes. Wear gloves and goggles, do not taste anything and keep away from food. Pour waste down the drain with plenty of water only if the adult agrees.
Take it further: Use the graph of known amounts to estimate the vitamin C in a glass of orange juice.
ChemistryMedium
Catalyst race: which kitchen catalyst breaks down hydrogen peroxide fastest?
Show detailsHide detailsWhat it shows
Catalysts speed up a reaction without being used up. Yeast and raw potato contain catalase, an enzyme that breaks hydrogen peroxide into water and oxygen, and the volume of oxygen collected measures how fast it works.
You will need
- Hydrogen peroxide 3 per cent, 150 ml (pharmacy)
- A pinch of dry yeast, 2 g of raw potato paste, 2 g of carrot paste and 2 g of boiled potato paste
- A plastic bottle of 250 ml with a one-hole cork or clay seal
- A pipe or a clean straw pipe and an inverted bottle full of water in a bowl
- A measuring cylinder or syringe
- A stopwatch
- A small spoon for each catalyst
Safety: An adult must supervise. Wear goggles because hydrogen peroxide irritates eyes. Do not seal the reaction bottle completely or it may burst, and do not drink or taste anything. Wash hands afterwards.
Take it further: Test the effect of temperature on yeast by chilling or warming the peroxide to 10, 30 and 50 degrees C.
ChemistryMedium
Dyeing cotton with turmeric and onion skin: does a mordant help?
Show detailsHide detailsWhat it shows
Many natural dyes wash out of cotton unless a mordant is used. A mordant such as alum forms a link between the dye and the fibre, making the colour stronger and more lasting.
You will need
- 4 pieces of white cotton cloth, 10 cm by 10 cm each
- Turmeric powder, 2 teaspoons, and dry onion skins, a handful
- Alum (phitkari), 3 g
- A steel pan, a spoon and a stove (adult)
- Water
- Mild soap or detergent
- A clothes line and sunny place
- Labels and a notebook
Safety: An adult must supervise all heating. Use tongs, because the cloth and water are hot. Do not use cooking pans afterwards for food. Do not taste the dye or alum.
Take it further: Try tea, marigold petals and beetroot and record which dyes are fast to washing and to light.
ChemistryMedium
Spinach leaf pigments separated by paper chromatography with Rf values
Show detailsHide detailsWhat it shows
A green leaf contains several pigments. Paper chromatography separates them because they travel up the paper at different speeds, and the ratio of distances, the Rf value, identifies each one.
You will need
- Fresh spinach or other leaves, 3 to 4
- Isopropyl rubbing alcohol (isopropanol) 70 per cent or higher, 50 ml
- Strips of filter paper or coffee filter, 2 cm by 15 cm
- A tall glass or jar and a pencil to hang the strip
- A coin or a spoon for crushing the leaf
- A ruler
- A small cup and clear tape
- A lid or foil to cover the jar
Safety: An adult must supervise. Rubbing alcohol is flammable and its fumes irritate. Work in a ventilated space with no flame, stove or candle nearby. Do not taste it and keep it away from children.
Take it further: Compare pigments of a green leaf, a red amaranth leaf and a dry autumn leaf to see which pigments are missing.
MathsMedium
Arm span against height: scatter plot, mean, spread and best-fit line
Show detailsHide detailsWhat it shows
Two measurements on the same person can be linked. Collecting data for a class and drawing a scatter plot, a line of best fit and a correlation shows how statistics finds a pattern in data.
You will need
- A measuring tape or a metre stick with a long string
- A wall with a chalk mark for height
- Data from 30 or more classmates with their permission
- Graph paper or a spreadsheet
- A calculator
- A table for name code, height and arm span
- A transparent ruler
Safety: Take measurements with the person standing straight and use only first names or code numbers on the sheet. Ask permission before measuring anyone.
Take it further: Compare the line for boys and girls separately and for different age groups.
MathsMedium
Area of a leaf by random dots: a Monte Carlo estimate with a check
Show detailsHide detailsWhat it shows
The area of an odd shape can be estimated by throwing random points on a square that contains it. The share of points that land inside the shape estimates the share of the square it covers.
You will need
- A flat leaf such as peepal or banyan
- A sheet of graph paper with 1 mm or 2 mm squares
- A pencil and a ruler
- A die or two for random coordinates, or a calculator with random numbers
- A table of results
- A 10 cm by 10 cm square drawn on a card
- A phone with a calculator or a spreadsheet
Safety: No special safety. Take leaves only from the ground or with permission, and do not pick from protected trees.
Take it further: Find the area of the map of your state on a printed outline using the same method.
MathsMedium
Monty Hall with three cups: should you switch? 100 trials and the proof
Show detailsHide detailsWhat it shows
In the three-door puzzle, switching wins two times out of three, though many people feel that it is a fifty-fifty choice. Playing it many times and listing all the outcomes shows why.
You will need
- Three paper cups
- One coin or small ball to hide
- A partner to act as the host
- A tally table with two columns: stay and switch
- Paper and pencil
- A tree diagram on a chart
- A calculator
Safety: No special safety. Play fairly and do not peek.
Take it further: Write a small program or a spreadsheet formula that plays 10,000 games and shows the two win rates.
MathsMedium
How long is a game of snakes and ladders? 100 simulated games
Show detailsHide detailsWhat it shows
The number of turns to finish a game is random but has a stable average. Playing or simulating many solo games gives the mean game length and shows how the snakes and ladders change it.
You will need
- A snakes and ladders board
- A die and a counter
- A tally table of 100 game lengths
- Graph paper for a histogram
- A calculator or a spreadsheet
- A second board without snakes and ladders, drawn on paper
- A pencil
Safety: No special safety.
Take it further: Find the chance that a game ends in under 20 throws from the simulation and compare it with the hand data.
MathsMedium
Bouncing ball: a geometric sequence of heights and its infinite sum
Show detailsHide detailsWhat it shows
A ball that bounces back to a fixed fraction of its previous height gives a geometric sequence of heights. The total distance travelled until it stops is the sum of a geometric series.
You will need
- A rubber or tennis ball
- A metre stick fixed upright on a wall
- A hard floor
- A phone to record slow-motion video
- A table for bounce heights
- Graph paper, preferably semi-log
- Calculator
Safety: Use a ball that is soft enough not to break things and keep it away from windows and glass.
Take it further: Calculate the time between bounces and show that it also forms a geometric sequence, with ratio equal to the square root of r.
MathsMedium
Speed of a toy car from tangents to its distance-time graph
Show detailsHide detailsWhat it shows
The slope of a distance-time graph at a point is the instantaneous speed, which is the derivative of distance with respect to time. A car on a ramp that speeds up gives a curve whose tangents get steeper.
You will need
- A toy car
- A wooden plank or board about 1.5 m long, propped at a small angle
- A metre tape
- A phone for slow-motion video with a clock or timer app
- Chalk to mark each 10 cm along the ramp
- Graph paper
- A transparent ruler
Safety: Do the experiment on the floor, away from stairs. Keep fingers clear of the car and the ramp end.
Take it further: Increase the ramp angle and show that the acceleration changes with the sine of the angle.
MathsChallenging
Hanging chain or hanging bridge? Catenary and parabola compared
Show detailsHide detailsWhat it shows
A chain hanging under its own weight forms a catenary, while a cable carrying a load spread evenly along the horizontal, as in a suspension bridge, forms a parabola. The two curves look alike but have different equations.
You will need
- A light bead chain or a thin metal chain, 1 m
- Two nails or drawing pins on a board
- A pegboard or a notice board covered with graph paper
- A string, 1 m, and 11 equal washers or nuts
- Sticky tape, a ruler and a plumb line
- A phone to photograph the curves square on
- A spreadsheet or a calculator with cosh
Safety: An adult must help with nails and pins. Use a cork board and keep the board flat or upright so nothing falls on feet.
Take it further: Invert a photo of the hanging chain and build the arch from card strips to show that it stays up under load.
MathsMedium
Two bags of beads: conditional probability and Bayes by experiment
Show detailsHide detailsWhat it shows
When you know which colour was drawn, you can work backwards to the chance of which bag it came from. The experiment shows how new information updates a probability.
You will need
- Two opaque cloth bags or cups
- 3 red and 1 blue bead for bag A, 1 red and 3 blue beads for bag B (or coloured paper pieces)
- A coin to choose the bag
- A tally table
- A tree diagram on chart paper
- A calculator
- A pencil
Safety: Keep small beads away from young children and do not put them in the mouth.
Take it further: Apply the same rule to a medical test that is 95 per cent accurate for a disease affecting 1 per cent of people, and compute the chance of disease given a positive test.
MathsMedium
Range against launch angle: does 45 degrees really go farthest?
Show detailsHide detailsWhat it shows
For a projectile launched at the same speed from ground level, the range is proportional to sin 2 theta, which is greatest at 45 degrees. Equal ranges occur for angles that add up to 90 degrees.
You will need
- A ruler catapult: a ruler pivoted on a pencil with a rubber band, or a simple spring launcher
- A soft foam or paper ball
- A protractor and a cardboard ramp to set angles
- A tape measure on the floor
- Chalk
- A table of angle and range
- Graph paper and a calculator
Safety: Use only soft balls and launch in an open area with no one in front. Wear eye protection and never aim at anyone.
Take it further: Use the slope to calculate the launch speed and check it by timing the ball over a short flat distance.
Earth and spaceMedium
Measuring the Earth’s circumference from shadows in two cities
Show detailsHide detailsWhat it shows
Eratosthenes found the size of the Earth by comparing noon shadows at two places a known distance apart. You can repeat it with a friendly school in another city to find the Earth’s circumference.
You will need
- A straight vertical stick, 1 m, set up with a plumb line
- A level piece of ground or a board
- A tape measure and a pencil
- A partner school in a city due north or south, at least 300 km away
- A map or distance table between the two cities
- A watch showing correct local time
- Graph paper
Safety: Do not look at the Sun. Measure only the shadow. Work with an adult in an open, safe area.
Take it further: Use several partner schools at different distances and plot the angle difference against the distance to show a straight line.
Earth and spaceChallenging
Noon shadow tip marked every week: the analemma figure-eight
Show detailsHide detailsWhat it shows
If you mark the tip of a stick’s shadow at the same clock time each week, the marks form a long thin figure-eight called the analemma. It combines the Earth’s tilted axis with its elliptical orbit.
You will need
- A vertical stick or nail on a flat board, 20 cm tall
- A large sheet of white paper fixed under the stick
- A spirit level or plumb line
- A phone clock set to an accurate time
- A pencil and ruler
- A small compass to align north
- Tape
Safety: Do not look at the Sun. Keep the board where nobody trips on it and where it will not be moved.
Take it further: Use the lengths of the noon shadow on both solstices to calculate the Earth’s axial tilt from the two noon altitudes.
Earth and spaceMedium
Diameter of the Sun from a pinhole image on a card
Show detailsHide detailsWhat it shows
The Sun’s image through a small hole is a circle whose size depends on the distance to the screen. Using similar triangles with the Sun’s distance gives its real diameter, about 1.4 million km.
You will need
- A thick card with a neat 1 mm to 2 mm hole made with a pin
- A second white card as a screen
- A tape measure of 2 m
- A transparent ruler marked in millimetres
- A stand or books to hold the cards
- A calculator
- A notebook
Safety: Never look at the Sun, even through the hole, binoculars or a telescope. Only look at the image on the white card, with your back to the Sun. An adult must supervise.
Take it further: Use the same angle to explain why total solar eclipses are possible, since the Moon is 400 times smaller but 400 times nearer than the Sun.
Earth and spaceMedium
Kepler’s third law: plotting T squared against a cubed for the planets
Show detailsHide detailsWhat it shows
The square of a planet’s orbital period is proportional to the cube of its average distance from the Sun. Plotting real data for the six naked-eye planets gives a straight line of slope 1 when the units are years and astronomical units.
You will need
- A table of planetary data from a textbook or a science website
- Graph paper, preferably log-log
- A calculator
- A ruler
- Coloured pens
- A spreadsheet if available
- A strip of paper to make a scale drawing
Safety: No special safety. Use only reliable data from a book or an observatory website and write the source.
Take it further: Use the Moon’s distance and period or the data of Jupiter’s four large moons to find the mass of the planet from the law.
Earth and spaceMedium
Parallax: measuring distance to a tree with a thumb and your eyes
Show detailsHide detailsWhat it shows
A nearby object appears to shift against a far background when you view it from two places. Measuring the shift and the baseline gives its distance, the same method astronomers use for nearby stars.
You will need
- A measuring tape of 5 m or more
- A long straight ruler or a marked stick
- A nearby object such as a tree, pole or post on open ground
- A distant background such as a building or hill
- Two flags or pencils for baseline ends
- A phone camera on a tripod or steady surface
- A calculator with tan inverse
Safety: Do the work in a safe open space away from traffic and ask an adult to supervise. Do not look at the Sun.
Take it further: Estimate the distance to a hill or a building at least 500 m away using a baseline of 20 m and compare with a map.
Earth and spaceMedium
Counting stars in a tube: a light pollution survey of your town
Show detailsHide detailsWhat it shows
The number of stars you can see falls when street lights and glare brighten the sky. Counting stars in a fixed patch of sky at different places gives a simple measure of light pollution.
You will need
- A cardboard tube such as a kitchen roll, painted black inside
- A star chart or an app showing the Pleiades and Orion’s belt
- A notebook and a red torch
- A watch
- A map of your area
- A friend and an adult
- A table for place, time, count and sky condition
Safety: An adult must go with you at night. Choose safe open places, keep away from roads and ditches, and use a red torch to protect your night vision.
Take it further: Repeat at the same place on a moonless and a full-moon night and find how much the Moon reduces the count.
EnvironmentMedium
Carbon footprint of the journey to school: petrol, bus, bicycle and walking
Show detailsHide detailsWhat it shows
Burning fuel makes carbon dioxide, a greenhouse gas. By linking distance, mileage and fuel type you can estimate how much CO2 each way of getting to school sends into the air.
You will need
- A survey sheet for classmates with mode of travel, distance and vehicle type
- A map or a phone to measure the home to school distance
- Fuel mileage values from the vehicle owner or a mileage sticker
- A calculator or a spreadsheet
- Chart paper for a bar chart
- A list of CO2 per litre of fuel
- A notebook
Safety: Do not ask for names or addresses, and only use data that students share willingly. Use code numbers instead of names.
Take it further: Estimate how many trees would be needed to absorb the class’s yearly travel CO2, taking about 20 kg of CO2 absorbed per tree per year for a mature tree.
EnvironmentMedium
Urban heat island: temperatures on road, roof, grass and under a tree
Show detailsHide detailsWhat it shows
Dark paved surfaces absorb more sunlight and warm up more than grass or shade. Mapping temperatures across a school or street shows how towns become hotter than the countryside.
You will need
- A thermometer reading to 100 degrees C, or two if possible
- An infrared thermometer if the school has one
- A small square of white card to shade the bulb
- A watch and a notebook
- A clipboard and a site sketch
- A tape measure
- A cap and water bottle
Safety: An adult must supervise, especially in hot weather. Do not touch very hot surfaces with bare hands. Wear a hat and drink water, and stay on footpaths away from traffic.
Take it further: Repeat the transect in summer and winter and compare, or measure a roof before and after it is painted white.
EnvironmentMedium
Dissolved solids in ten water sources measured with a TDS meter
Show detailsHide detailsWhat it shows
Water carries dissolved salts that conduct electricity. A TDS meter reads the conductivity and converts it into parts per million, so different sources can be compared.
You will need
- A pen-type TDS meter (about Rs 300 to 400)
- Ten clean glass or plastic cups
- Samples of tap water, bore well water, RO water, bottled water, rainwater, a pond, boiled water and distilled water
- A marker and labels
- A notebook
- Distilled water from a medical store for rinsing
- A thermometer
Safety: Do not drink any sample you collect from ponds or wells. Collect samples with an adult and wash hands after handling them. Do not enter water bodies.
Take it further: Track the TDS of the same bore well or pond every week through the monsoon and plot a graph.
EnvironmentMedium
How fast does rain soak in? Infiltration rate with a tin-can ring
Show detailsHide detailsWhat it shows
Soil takes in water at a certain speed, called its infiltration rate. Measuring it in the playground, a field and a forest floor shows why some ground floods while other ground soaks up the monsoon.
You will need
- 3 tin cans with both ends removed (an adult must cut and file edges), 7 to 10 cm wide
- A wooden block and a hammer or mallet
- A measuring cup
- A 2 litre bottle of water per test
- A stopwatch
- A ruler
- A notebook
Safety: An adult must remove the can ends and file the sharp edges or cover them with tape. Wear gloves when pushing the ring into the soil and keep fingers clear of the hammer.
Take it further: Measure infiltration before and after a day of rain and see how wet soil slows the rate.
Before you start
How to choose a good project
Six things to think about before you decide. A project you understand and finish well beats a big one you rush.
Start with a question
Good projects answer a question you are curious about: why does iron rust, which fabric keeps tea hottest, how does a robot follow a line? A question gives your project a purpose.
Check what is asked
Find out whether your teacher wants a working model, a still model or an investigatory project, the size limits, the topic or theme, the date, and whether ready-made models are allowed.
Match your time and class
Each idea here shows a class band, a difficulty and a rough time. Choose something you can finish properly with time to test it, rather than something huge you have to rush.
Pick science you can explain
Judges and examiners ask how it works. Choose an idea whose science you understand, or can learn from your textbook and the free ebooks, and practise explaining it.
List materials and costs
Write down everything you need before you start. Many models use things from home; motors, LEDs, sensors and boards are easy to buy as spare parts or in a kit.
Make it your own
Change one thing and measure what happens, add a chart of your readings, or show a real-life use. Even a well-known model becomes yours when you add your own observations.
Plan your time
A four-week project timeline
Work backwards from the date of your exhibition or submission. Short of time? Do the same steps faster, but never skip testing.
- 4 weeks before
Choose and get it approved
- Shortlist two or three ideas
- Write your aim or question in one sentence
- Show your teacher and agree the idea
- 3 weeks before
Read and collect materials
- Read the science in your textbook and a free ebook
- Sketch the design with measurements
- Collect or buy the materials and spare parts
- 2 weeks before
Build and test
- Build one part at a time and test each part
- For an investigation, repeat each reading at least three times
- Write every observation in a notebook with the date
- 1 week before
Write the report and chart
- Aim, materials, method, observations, result and conclusion
- A neat table or graph of your readings
- A chart or poster with a labelled diagram
- Last 2 days
Rehearse
- Practise a one-minute explanation out loud
- Prepare answers to the questions below
- Pack spares: cells, wires, tape and glue
On the day
Present it with confidence
You will usually have a minute or two to explain your project, then questions. Practise both out loud at home.
A one-minute explanation
- 1Name and question“My project is a … It answers the question …”
- 2What it showsOne sentence of science, in your own words.
- 3How it worksPoint to each part as you explain it.
- 4What you foundYour readings or result, and what they mean.
- 5Real lifeWhere the same science is used every day.
Questions judges often ask
- What does your project show, in one sentence?
- How does it work? Which law or idea of science is behind it?
- What did you change, and what did you measure?
- What went wrong while you were making it, and how did you fix it?
- Where is this idea used in real life?
- What would you improve if you made it again?
What your project file needs
- Title page with your name, class and school
- Aim or question
- Introduction: the science behind it
- Materials list
- Method, step by step, with a diagram
- Observations in a table
- Result and conclusion
- Precautions and safety
- Sources: books and websites you used
Projects and kits
Ready-made projects, kits and spare parts
Need a working model, a kit to build yourself, or a motor, LED, battery or sensor to finish your own? Every idea card links to the matching section of the store.
School Projects, Class 1 to 9
Ready-made working models for class 1 to 9: science, maths, physics, chemistry and biology.Browse
School Projects, Class 10 to 12
Working models and investigatory projects for class 10, 11 and 12.Browse
Best Out of Waste
Models made from bottles, cardboard and old parts, for waste-management themes.Browse
Robotics and Coding
Robot kits, Arduino projects, line followers, obstacle avoiders and smart projects.Browse
DIY Kits
Kits with every part and step-by-step instructions, to build the model yourself.Browse
Components and Spares
Motors, LEDs, batteries, switches, wires, sensors and breadboards to build or repair.Browse
Engineering Projects
Minor and major projects for diploma and BTech students.Browse
Cannot find what you need? Ask the head office on WhatsApp.
Free ebooks
Free books for making projects
Step-by-step project books for every class, plus guides to exhibitions, project files and viva questions. Free to download, read and print.
Science projects
Writing a Science Project File
How to write the report, from the cover page to the bibliography
Science projects
Viva Questions for Science Projects
How to answer examiner questions, with sample questions for popular projects
Science projects
Easy Science Projects for Class 1 to 5
Simple, safe projects young children can make with a little help
Science projects
Science Projects for Class 6 to 8
Working models matched to middle-school science topics
Science projects
Investigatory Projects for Class 11 and 12
Topics, method and report structure for physics, chemistry and biology
Stay safe
Safety rules for every project
Read these with a parent before you start. Ideas that need extra care carry their own safety note on the card.
Never use mains electricity
Power your models with cells, batteries or a low-voltage adapter. Never connect anything home-made to a wall socket.
Adult help for sharp and hot tools
Cutters, blades, glue guns, soldering irons and drills need an adult beside you. Cut away from your body on a board.
Chemicals with care
Use only safe household materials at home. Acids, stains and other lab chemicals are for the school lab with your teacher. Wear goggles and never taste anything.
Flames only with an adult
Candles and burners only with an adult present and water nearby. Tie back long hair and keep paper away.
Look after batteries
Do not short-circuit a battery, mix old and new cells, or puncture or heat a lithium battery. Remove batteries when the model is stored.
Small parts away from little ones
Magnets, button cells and small parts can be swallowed. Keep them away from younger brothers and sisters, and wash your hands after making.
Questions about science projects
Still have a question?
Chat on WhatsAppWhat is the difference between a working model, a still model and an investigatory project?
A working model moves or works to show a principle, such as a windmill that lights an LED. A still model shows how something is built or arranged, such as the layers of the Earth. An investigatory project asks a question and answers it by experiment: you change one thing, measure the result and draw a conclusion from your readings.
Can I buy a ready-made project?
Check your school’s rules first: some competitions want models made by the student, and some allow ready-made ones. Either way, you must understand how it works and be able to explain it. A good approach is to build from a kit, or to add your own measurements and chart to a ready-made model.
How long does a school project take?
Each idea here shows a rough time for the making. Leave extra time for reading, testing, the report and practice: three to four weeks from choosing to presenting is comfortable for most school projects.
What should go in my project report or file?
A title page, your aim, the science behind it, the materials, the method with a diagram, your observations in a table, the result and conclusion, precautions, and the books and websites you used. The free ebook “Writing a Science Project File” explains each part.
What if my model stops working on the day?
Carry spare cells, wires and tape, and test everything when you arrive. Take a short video or photos of it working at home. If something still fails, explain calmly what should happen and what you would check: judges value understanding as much as a perfect model.
More help
Stuck on a project?
Read the student help pages, try the free calculators for circuits and units, or ask the head office on WhatsApp.