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.
Electronics and roboticsChallenging
Clock-based solar tracker that follows the sun by time with a DS3231
Show detailsHide detailsWhat it shows
Instead of light sensors, this tracker computes where the sun is from the date, time and the location, using the real-time clock, and turns a panel to that azimuth and elevation with two servos. It keeps pointing correctly even in cloud, when LDR trackers lose the sun.
You will need
- An Arduino Uno clone and USB cable
- A DS3231 real-time clock module
- Two SG90 or MG90S servos on a pan-tilt frame
- A small solar panel
- A 16x2 I2C LCD
- A separate 5 V supply for the servos
- A phone compass to align the base
Safety: Battery or USB power only. Never look at the sun to check alignment; use the panel shadow instead.
Take it further: Add two LDRs for a fine correction on top of the computed angles, combining both methods.
Electronics and roboticsMedium
Solar panel performance logger recording volts, amps and light to an SD card
Show detailsHide detailsWhat it shows
An Arduino measures a small panel's voltage through a divider and its current through an INA219 sensor while a load resistor draws power, and logs both with light level and time to an SD card. The data shows how output changes with sun angle, cloud and panel temperature.
You will need
- An Arduino Uno clone and USB cable
- An INA219 current and voltage sensor module
- A 6 V, 1 to 2 W solar panel
- A 10 Ω, 5 W resistor as the load
- A micro SD module and card, and a DS3231 clock
- An LDR with a 10 kΩ resistor and a DHT11 for air temperature
- A 5 V power bank
Safety: Low voltage only. The load resistor gets warm in full sun; mount it on a metal clip away from plastic.
Take it further: Sweep the load with several resistor values to plot the panel's I-V curve and find its maximum power point.
Electronics and roboticsEasy
Staircase light with two switches that each turn one LED on and off
Show detailsHide detailsWhat it shows
Two single-pole double-throw switches wired together let you switch one lamp from either end of a staircase. Flipping either switch changes whether the loop is complete.
You will need
- Two SPDT slide switches (or two 3-pin toggle switches)
- One red LED and a 150 Ω resistor
- A 2 x AA battery holder with two AA cells (3 V)
- Five insulated wires about 15 cm long
- A cardboard staircase model or a plain card base
- Glue, tape and scissors
Safety: Use the cell holder only, never a mains socket or a house switch. Take care with scissors.
Take it further: Add a third switch in the middle of the two-way set using a DPDT switch wired as an intermediate switch.
Electronics and roboticsMedium
Alternate LED flasher with two BC547 transistors and two capacitors
Show detailsHide detailsWhat it shows
Two transistors, each switching the other through a capacitor, make an astable multivibrator: a circuit with no stable state that swaps over by itself. The two LEDs flash alternately about once a second.
You will need
- Two BC547 transistors
- Two 47 kΩ resistors (base) and two 470 Ω resistors (LED)
- Two 22 µF 16 V electrolytic capacitors
- Two LEDs of different colours
- A 9 V battery with snap connector
- A breadboard and jumper wires
Safety: Battery power only. Electrolytic capacitors have a marked negative leg: fit them the right way round or they can heat up and leak.
Take it further: Use unequal capacitors, 10 µF and 47 µF, and observe that one LED stays lit longer than the other.
Electronics and roboticsMedium
LED strings on a 9 V battery: working out resistors for series and parallel
Show detailsHide detailsWhat it shows
Three red LEDs in series share one resistor and draw one LED worth of current, while three in parallel each need their own resistor and draw three times as much. Working out the resistor with R = (supply minus LED voltages) divided by current shows why.
You will need
- Six red LEDs (about 2 V each)
- Three 680 Ω resistors and one 330 Ω resistor
- A 9 V battery with snap connector
- A breadboard and jumper wires
- A multimeter if available, otherwise judge by brightness
- A notebook for sums
Safety: Battery power only. Never connect a bare LED straight across a battery: it can burn out in a moment.
Take it further: Try a string of four red LEDs and see what the maths says about the largest string a 9 V battery can drive.
Electronics and roboticsEasy
Knob dimmer for an LED using a 10 kΩ potentiometer on a 9 V battery
Show detailsHide detailsWhat it shows
A potentiometer wired as a variable resistor changes how much current an LED gets, so turning the knob dims or brightens the light. Less resistance gives more current and more light.
You will need
- One 10 kΩ potentiometer (rotary or small slide type)
- One 470 Ω resistor
- One LED (any colour)
- A 9 V battery with snap connector
- A small cardboard box for a front panel
- Jumper wires, tape and a marker
Safety: Battery power only. The 470 Ω resistor must stay in the circuit, or turning the knob to zero would overdrive the LED.
Take it further: Use a multimeter to measure LED current at five knob positions and plot current against knob angle.
Electronics and roboticsMedium
Weak cell finder: loaded and unloaded voltage of old and new AA cells
Show detailsHide detailsWhat it shows
A cell that reads 1.4 V with nothing connected can still be nearly flat, because its internal resistance has grown. A voltage reading while it lights a small bulb shows the true condition.
You will need
- Four AA cells of different ages (new, half used, old, a dead one)
- A 2.5 V torch bulb with holder
- A multimeter
- Two crocodile clip wires
- A single AA cell holder
- A notebook
Safety: Use only small cells and a torch bulb. Never connect a cell directly across itself with a wire: it heats the wire and drains the cell quickly.
Take it further: Repeat with two cells in series and see whether the internal resistance simply adds.
Electronics and roboticsEasy
Quiz board where matching question and answer wires light an LED
Show detailsHide detailsWhat it shows
A circuit is only complete when a wire joins the right pair of terminals. Touching a probe wire to the correct answer closes the loop and lights an LED, while a wrong answer leaves it open.
You will need
- A sheet of stiff card about 30 cm x 20 cm
- Ten brass paper fasteners (split pins)
- Insulated wire in five lengths
- Two probe wires with bare ends
- A 2 x AA battery holder with two cells
- One LED and a 150 Ω resistor, or a 3 V buzzer
- Tape and a marker
Safety: Cells only. Cover the back wire joints with tape so they cannot touch each other by accident.
Take it further: Add a buzzer for wrong answers using a second probe pair and a second circuit.
Electronics and roboticsEasy
Tripwire alarm: a clothes peg with foil contacts and a pull-out card
Show detailsHide detailsWhat it shows
A plastic card between two foil contacts keeps a circuit open. Pulling the card out by a thread lets the contacts touch, which closes the circuit and sounds a buzzer.
You will need
- A wooden or plastic clothes peg
- Kitchen foil
- A strip of thin plastic (cut from a bottle or a visiting card)
- About 1 m of thread
- A 3 V active buzzer
- A 2 x AA battery holder with two cells
- Two 20 cm wires, tape
Safety: Cells only. Fix the thread across a doorway at ankle height only with an adult around, so nobody falls over it.
Take it further: Add an LED in parallel with the buzzer, with its own 150 Ω resistor, so there is a light as well as a sound.
Electronics and roboticsMedium
Three-LED water level indicator for a bottle using three BC547 transistors
Show detailsHide detailsWhat it shows
Water with a little salt conducts a tiny current. Each probe that touches the water passes enough base current to switch a BC547 on, so one LED lights for each level reached.
You will need
- A tall plastic bottle with the top cut off
- Three BC547 transistors
- Three 10 kΩ resistors and three 470 Ω resistors
- Green, yellow and red LEDs
- Five stainless steel nails or screws as probes with wires
- A 9 V battery with snap connector
- A breadboard, a pinch of salt and tape
Safety: Battery power only, never a mains supply anywhere near the water. Keep the breadboard dry and away from splashes. Wash hands after handling the salt water and probes.
Take it further: Add a fourth transistor stage that sounds a buzzer when the top probe is reached, as an overflow warning.
Electronics and roboticsEasy
Pencil lead rheostat that dims an LED as the clip slides along the graphite
Show detailsHide detailsWhat it shows
Graphite conducts, but not as well as copper. The longer the length of lead the current has to pass through, the more resistance it has, so the LED gets dimmer as you move the clip away.
You will need
- A soft 6B or 4B pencil, sharpened at both ends with the wood shaved to expose the lead
- Two crocodile clips or paper clips
- One red LED and a 100 Ω resistor
- A 2 x AA battery holder with two cells
- A ruler
- Insulated wires
Safety: Cells only. Sharpen with an adult nearby. The graphite dust is messy: wash your hands afterwards.
Take it further: Draw a thick pencil line on paper and measure its resistance as a function of length and width.
Electronics and roboticsMedium
Polarity-proof LED lamp: a four-diode bridge that works either way round
Show detailsHide detailsWhat it shows
A diode lets current through in one direction only. Four diodes arranged as a bridge always pass the current the same way through the LED, so the lamp lights even if the battery is connected backwards.
You will need
- Four 1N4007 diodes (or 1N4148)
- One LED and a 680 Ω resistor
- A 9 V battery with snap connector
- A breadboard and jumper wires
- A marker to note the diode bands
- A multimeter if available
Safety: Battery power only. Check the LED direction before snapping on the battery.
Take it further: Add a 470 µF capacitor across the LED branch to see the effect of smoothing, then connect a hand-cranked toy motor as the source.
Electronics and roboticsEasy
Push button LED that fades out slowly, powered by a charged capacitor
Show detailsHide detailsWhat it shows
A capacitor stores charge like a tiny rechargeable tank. A quick press of a button fills it, and when the button is released the capacitor keeps the LED glowing for several seconds as it empties.
You will need
- One 4700 µF 16 V electrolytic capacitor
- One 100 Ω resistor and one 680 Ω resistor
- One LED
- A push button
- A 9 V battery with snap connector
- A breadboard and jumper wires
Safety: Battery power only. The capacitor has a marked negative leg and must be fitted the right way round, otherwise it can swell or leak. Never use a capacitor rated below 12 V.
Take it further: Plot LED brightness steps against time using a phone video and compare with the RC prediction.
Electronics and roboticsMedium
Measuring the current gain of a BC547 with a 1 MΩ and a 1 kΩ resistor
Show detailsHide detailsWhat it shows
A transistor turns a very small base current into a much larger collector current. The ratio Ic / Ib, called the current gain, can be found with a multimeter and two resistors.
You will need
- Three BC547 transistors from the same pack
- A 1 MΩ resistor and a 1 kΩ resistor
- A 9 V battery with snap connector
- A multimeter
- A breadboard and jumper wires
- A notebook for a table
Safety: Battery power only. Check the transistor legs before connecting: with the flat face towards you they are collector, base, emitter from left to right.
Take it further: Warm one transistor gently with your fingers and watch the collector voltage fall as the gain rises.
Electronics and roboticsMedium
Hot water alarm that buzzes when an NTC thermistor reaches about 45 degrees
Show detailsHide detailsWhat it shows
An NTC thermistor is a resistor whose resistance falls as it gets hotter. In a voltage divider, this change swings a transistor base voltage and switches a buzzer on at a chosen temperature.
You will need
- A 10 kΩ NTC thermistor
- A 1 kΩ trimmer potentiometer
- One BC547 transistor and one 1 kΩ resistor
- An active buzzer, 3 to 12 V
- A 9 V battery with snap connector
- A breadboard, wires, a small plastic bag and a cup
- A kitchen thermometer if you have one
Safety: An adult must pour and handle the hot water. Never go above about 50 degrees for this test. Keep the breadboard away from water and keep the thermistor leads inside a sealed plastic bag.
Take it further: Swap the buzzer for a relay module and a small 5 V fan to make a thermostat.
Electronics and roboticsChallenging
Light-chasing buggy with two LDR eyes steering two toy motors
Show detailsHide detailsWhat it shows
Each light dependent resistor switches the motor on the opposite side, so the buggy turns towards the brighter side and drives at a torch. This is a simple analogue form of phototaxis used in robots.
You will need
- A cardboard or ice-cream-stick chassis
- Two 6 V toy gear motors with wheels and a front castor
- Two LDRs and two 10 kΩ resistors
- Two BC547 transistors and two 1 kΩ resistors
- Two 1N4007 diodes
- A 4 x AA holder with four AA cells (6 V)
- A slide switch, wires, tape and a torch
Safety: Cells only. Keep fingers away from the wheels. Do not let a motor stall for long: a BC547 handles only about 100 mA, so use small motors, or ask an adult to fit a BC337 if the transistors get warm.
Take it further: Reverse the wiring so the buggy runs away from light and hides in the dark.
Electronics and roboticsMedium
Knock sensor: a piezo disc and a BC547 that flash an LED when you tap the desk
Show detailsHide detailsWhat it shows
A piezoelectric disc makes a small voltage when it is squeezed or struck. A transistor amplifies this short pulse so it lights an LED for a moment.
You will need
- A piezo disc (from a buzzer or a greeting card)
- One BC547 transistor
- A 1 MΩ resistor, a 1 kΩ resistor and a 470 Ω resistor
- One 1N4148 diode
- One LED
- A 9 V battery with snap connector
- A breadboard and jumper wires
Safety: Battery power only. Handle the thin piezo disc gently; it cracks if bent.
Take it further: Use the knock to charge a 10 µF capacitor that holds the LED on for about a second.
Electronics and roboticsEasy
Secret code box: four toggle switches in series that light an LED in one setting
Show detailsHide detailsWhat it shows
Switches in series work like the word AND: the loop is complete only if every switch is in its correct position. With four two-way toggles there are 16 settings and only one lights the LED.
You will need
- Four SPDT toggle or slide switches
- A shoebox or matchbox with holes for the switches
- One LED and a 150 Ω resistor
- A 2 x AA battery holder with two cells
- Seven wires about 10 cm long
- Tape and a marker
Safety: Cells only. Keep the code secret by hiding the wiring inside the box.
Take it further: Add a decoy wire that lights a second LED for one wrong code to trap guessers.
Electronics and roboticsMedium
Toy motor dynamo run by a bicycle tyre with two opposite LEDs
Show detailsHide detailsWhat it shows
A DC motor works backwards as a generator. When its shaft is turned by a spinning tyre it makes a voltage, and reversing the spin reverses the voltage, which lights the other LED of an opposite pair.
You will need
- A 6 V or 12 V hobby DC motor (the kind in a toy car)
- A rubber roller cut from a cycle tube or a thread bobbin on the shaft
- A bicycle on a stand, or a bicycle wheel on a fork held in a vice
- Two red LEDs and two 100 Ω resistors
- A strip of wood and cable ties to hold the motor
- Two wires and tape
Safety: An adult must help to hold or stand the bicycle. Keep fingers, hair and clothes clear of the spinning wheel. Do not use a mains-powered driver.
Take it further: Put a 4 x 1N4007 bridge and a 470 µF capacitor between the motor and one LED to get steady DC light.
Electronics and roboticsMedium
Voltage divider board: measured against calculated voltages with a 10 kΩ load
Show detailsHide detailsWhat it shows
Two resistors in series share a voltage in proportion to their sizes. A load connected to the output pulls the voltage down, which is why dividers are not power supplies.
You will need
- Resistors: 1 kΩ, 4.7 kΩ, 10 kΩ (three of them), 47 kΩ
- A 9 V battery with snap connector
- A multimeter
- A breadboard and jumper wires
- A notebook for a results table
Safety: Battery power only. Do not short the battery terminals; it gets hot.
Take it further: Use a 10 kΩ potentiometer as an adjustable divider and plot output against knob position.
Electronics and roboticsChallenging
Two-tone siren built from two 555 timers and a small speaker
Show detailsHide detailsWhat it shows
One 555 timer makes a slow beat of about one per second, and it wobbles the pitch of a second 555 that produces an audible tone. Together they give a rising and falling siren.
You will need
- Two NE555 timer ICs with 8-pin sockets
- Resistors: 10 kΩ, 47 kΩ, 1 kΩ, 10 kΩ, 100 Ω
- Capacitors: 10 µF (16 V), 10 nF and 100 µF (16 V)
- An 8 Ω small speaker
- A 9 V battery with snap connector and a switch
- A breadboard and jumper wires
Safety: Battery power only. Fit each 555 the right way round: pin 1 is next to the notch or dot. A reversed chip gets hot quickly.
Take it further: Add a push button that powers the siren only while pressed, making a pocket alarm.
Electronics and roboticsMedium
Delay light: two BC547 transistors and a 100 µF capacitor that switch on after 20 seconds
Show detailsHide detailsWhat it shows
A capacitor charges slowly through a very large resistor. Only when its voltage reaches about 1.4 V does a pair of transistors, the Darlington pair, switch the LED on, giving a timed delay.
You will need
- Two BC547 transistors
- A 1 MΩ resistor and a 470 Ω resistor
- A 100 µF 16 V electrolytic capacitor
- A push button and an LED
- A 9 V battery with snap connector
- A breadboard and jumper wires, a watch
Safety: Battery power only. Fit the electrolytic capacitor with its negative leg to ground.
Take it further: Add a 1 MΩ trimmer in series to make an adjustable timer you can set from 10 to 60 seconds.
Electronics and roboticsEasy
Tilt alarm from a steel ball in a straw tube that rings a buzzer
Show detailsHide detailsWhat it shows
A small steel ball rolls to the low end of a tube when it is tilted and bridges two bare wires there. This completes a circuit, so the object is warned when it moves out of the upright position.
You will need
- A stiff plastic drinking straw or an empty pen refill tube, about 8 cm
- A small steel ball (from a broken bearing) or a bicycle ball bearing
- Two 12 cm bare ended wires
- A 3 V active buzzer
- A 2 x AA battery holder with two cells
- A small box, glue and tape
Safety: Cells only. The ball is a small part: keep it away from young children and do not put it in your mouth.
Take it further: Fix the box on a toy bicycle to make a fall detector.
Electronics and roboticsChallenging
Eight-key toy organ with a 555 timer and a trimmer for each note
Show detailsHide detailsWhat it shows
The pitch of a 555 astable depends on its timing resistor. Eight keys, each connecting a different resistor, give eight notes of a musical scale.
You will need
- One NE555 with a socket
- Eight push buttons
- Eight 47 kΩ trimmer potentiometers (or fixed resistors, see steps)
- A 1 kΩ resistor, a 100 nF capacitor and a 100 µF capacitor
- A 100 Ω resistor and an 8 Ω small speaker
- A 9 V battery with snap connector and a breadboard
- A phone tuner app
Safety: Battery power only. Fit the 555 with pin 1 next to the notch. Keep the volume low for your ears.
Take it further: Add a ninth key with a switch that adds a second capacitor to move the whole scale an octave lower.
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.