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Science Projects for Class 6 to 8

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Science Fair Resources

Science Projects for Class 6 to 8

Discover 100 curated project ideas across 10 subject streams. Each idea is designed to help students win at school, district, and national science fairs.

📋 100 Projects
🏆 Competition Ready
📚 10 Streams

Physics Class 6

10 Projects

# Project Idea Explore
1 Demonstrate the three states of matter using water, ice, and steam View →
2 Show how shadows change length throughout the day using a sundial View →
3 Build a simple lever and test mechanical advantage with different loads View →
4 Demonstrate flotation using objects of different densities View →
5 Show that light travels in straight lines using a pinhole camera View →
6 Demonstrate how a compass works using Earth’s magnetic field View →
7 Build a simple pulley system to lift a heavy object easily View →
8 Show the effect of force on shape using modeling clay View →
9 Demonstrate friction using surfaces of different roughness View →
10 Build a simple balance scale and measure mass using coins View →

Also Read : National Winning Science Fair Projects for High School

Physics Class 7

10 Projects

# Project Idea Explore
1 Demonstrate reflection of light using a plane mirror maze View →
2 Show refraction of light using a glass of water and a pencil View →
3 Build a simple electric circuit with a switch, bulb, and battery View →
4 Demonstrate that sound requires a medium using a bell in a vacuum jar View →
5 Show how a concave and convex lens focuses and diverges light View →
6 Build a simple electromagnet using wire, iron nail, and battery View →
7 Demonstrate how temperature affects the state of matter View →
8 Show Pascal’s law using a water-filled balloon with multiple holes View →
9 Build a simple model to demonstrate the water cycle View →
10 Show Archimedes principle using a spring scale and water beaker View →

Physics Class 8

10 Projects

# Project Idea Explore
1 Demonstrate Ohm’s law by measuring current at different voltages View →
2 Show that friction is affected by surface texture using a ramp View →
3 Build a working model of a simple electric generator View →
4 Demonstrate the heating effect of electric current using resistance wire View →
5 Show how a solar cell converts light to electricity View →
6 Demonstrate pressure difference using a collapsing can experiment View →
7 Build a model demonstrating the principle of a turbine View →
8 Show how a compass needle deflects near a current-carrying wire View →
9 Demonstrate sound wave properties using a tuning fork and water tray View →
10 Build a simple electromagnet and measure its lifting power vs current View →

Chemistry Class 6-7

10 Projects

# Project Idea Explore
1 Classify materials as soluble or insoluble in water View →
2 Show the difference between mixtures and compounds View →
3 Separate a mixture using sedimentation, filtration, and evaporation View →
4 Test household substances as acid or base using turmeric indicator View →
5 Show how rust forms on iron and how oil prevents it View →
6 Demonstrate evaporation and condensation in a water cycle model View →
7 Show how baking soda and vinegar produce CO2 gas View →
8 Separate sand, salt, and gravel using stepwise separation techniques View →
9 Show how flame color indicates different metals (flame test) View →
10 Demonstrate the concept of saturation using salt in water View →

Chemistry Class 8

10 Projects

# Project Idea Explore
1 Show the difference between physical and chemical changes View →
2 Demonstrate neutralization using HCl and NaOH with phenolphthalein View →
3 Show displacement reaction using iron nail in copper sulphate solution View →
4 Demonstrate electrolysis of water and collect the gases View →
5 Show how soaps work by emulsifying oil in water View →
6 Demonstrate the reaction between calcium carbonate and acid View →
7 Show how hydrogen gas is lighter than air using an inverted gas jar View →
8 Demonstrate the formation of a precipitate in double displacement View →
9 Show catalytic decomposition of hydrogen peroxide using MnO2 View →
10 Demonstrate the formation of iron sulphide from iron and sulfur View →

Biology Class 6-7

10 Projects

# Project Idea Explore
1 Make slides of onion cells and observe cell wall and nucleus View →
2 Show how plants release oxygen during photosynthesis using pondweed View →
3 Demonstrate how roots absorb water using celery stalk and dye View →
4 Compare the structure of monocot and dicot seeds after soaking View →
5 Observe and classify local insects into their insect orders View →
6 Study the effect of different soil types on plant root growth View →
7 Demonstrate respiration in germinating seeds using lime water View →
8 Show how leaves exchange gases using petroleum jelly and weight loss View →
9 Make a dichotomous key for classification of local plant species View →
10 Demonstrate the role of bacteria in decomposition using bread samples View →

Biology Class 8

10 Projects

# Project Idea Explore
1 Demonstrate osmosis using a thistle funnel filled with sugar solution View →
2 Study enzyme activity in saliva by testing starch digestion with iodine View →
3 Show the effect of light intensity on the transpiration rate View →
4 Prepare a model of the human respiratory system View →
5 Study the stomatal density on upper and lower leaf surface View →
6 Demonstrate the effect of temperature on respiration in yeast View →
7 Make a working model of the human digestive system View →
8 Study adaptations of plants in desert, aquatic, and forest habitats View →
9 Demonstrate that chlorophyll is necessary for photosynthesis View →
10 Study the pulse rate before and after exercise and explain the change View →

Environmental Science

10 Projects

# Project Idea Explore
1 Test the water quality of a local water body using simple test kits View →
2 Study the biodiversity of insects in a 1m2 patch of garden View →
3 Measure the noise pollution levels near school vs a park View →
4 Design a waste segregation model for wet, dry, and hazardous waste View →
5 Investigate the effect of sunlight on plastic bag degradation View →
6 Make a biogas model using kitchen scraps and a water bottle View →
7 Study the effect of air pollution on the growth of bean seedlings View →
8 Compare the insulating efficiency of traditional mud walls vs concrete View →
9 Design a grey water recycling system for a household model View →
10 Investigate microplastic content in salt collected from different brands View →

Technology & Innovation

10 Projects

# Project Idea Explore
1 Build a simple solar water heater from black tubing and plywood View →
2 Design a drip irrigation system using plastic bottles for a small garden View →
3 Build a working model of a water pump using a syringe View →
4 Create a simple wind speed meter (anemometer) using paper cups View →
5 Build a model of a biomass gasifier using a tin can View →
6 Create a rain water harvesting model for a school rooftop View →
7 Design a mud-brick solar cooker and test its maximum temperature View →
8 Build a model of a gravity-fed water distribution system View →
9 Create an eco-friendly alternative to plastic packaging from banana fiber View →
10 Design a model of an earthen dam with spillway and test water pressure View →

Math & Logic

10 Projects

# Project Idea Explore
1 Study the relationship between area and perimeter of rectangles View →
2 Demonstrate probability using colored marble draws from a bag View →
3 Build geometric solids and calculate their surface area and volume View →
4 Study patterns in multiplication tables using color-coded grids View →
5 Demonstrate the Pythagorean theorem using physical square tiles View →
6 Study the relationship between speed, distance, and time using toy cars View →
7 Analyze the math of symmetry in Indian rangoli patterns View →
8 Study the arithmetic of musical scales using a homemade xylophone View →
9 Demonstrate the concept of negative numbers using temperature View →
10 Study number patterns in nature: spirals in shells and sunflowers View →

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