{"id":2072,"date":"2026-06-08T13:13:00","date_gmt":"2026-06-08T07:43:00","guid":{"rendered":"https:\/\/1000sciencefairprojects.com\/tech\/?p=1008"},"modified":"2026-06-09T11:50:51","modified_gmt":"2026-06-09T06:20:51","slug":"science-projects-class-6-to-8","status":"publish","type":"post","link":"https:\/\/1000sciencefairprojects.com\/tech\/science-projects-class-6-to-8\/","title":{"rendered":"Science Projects for Class 6 to 8"},"content":{"rendered":"
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Science Fair Resources<\/span><\/div>\n

Science Projects for Class 6 to 8<\/h1>\n

Discover 100 curated project ideas<\/strong> across 10 subject streams<\/strong>. Each idea is designed to help students win at school, district, and national science fairs.<\/p>\n

\ud83d\udccb 100 Projects<\/span>
\n\ud83c\udfc6 Competition Ready<\/span>
\n\ud83d\udcda 10 Streams<\/span><\/div>\n<\/div>\n
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Quick Navigation by Stream<\/h2>\n
Physics Class 6<\/a>
\nPhysics Class 7<\/a>
\nPhysics Class 8<\/a>
\nChemistry Class 6-7<\/a>
\nChemistry Class 8<\/a>
\nBiology Class 6-7<\/a>
\nBiology Class 8<\/a>
\nEnvironmental Science<\/a>
\nTechnology & Innovation<\/a>
\nMath & Logic<\/a><\/div>\n<\/div>\n
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<\/div>\n

Physics Class 6<\/h2>\n

10 Projects<\/span><\/p>\n<\/div>\n

\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
#<\/th>\nProject Idea<\/th>\nExplore<\/th>\n<\/tr>\n<\/thead>\n
1<\/td>\nDemonstrate the three states of matter using water, ice, and steam<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
2<\/td>\nShow how shadows change length throughout the day using a sundial<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
3<\/td>\nBuild a simple lever and test mechanical advantage with different loads<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
4<\/td>\nDemonstrate flotation using objects of different densities<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
5<\/td>\nShow that light travels in straight lines using a pinhole camera<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
6<\/td>\nDemonstrate how a compass works using Earth’s magnetic field<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
7<\/td>\nBuild a simple pulley system to lift a heavy object easily<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
8<\/td>\nShow the effect of force on shape using modeling clay<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
9<\/td>\nDemonstrate friction using surfaces of different roughness<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
10<\/td>\nBuild a simple balance scale and measure mass using coins<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
More Physics Class 6 Projects<\/a>
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Also Read : National Winning Science Fair Projects for High School<\/a><\/h4>\n
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Physics Class 7<\/h2>\n

10 Projects<\/span><\/p>\n<\/div>\n

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#<\/th>\nProject Idea<\/th>\nExplore<\/th>\n<\/tr>\n<\/thead>\n
1<\/td>\nDemonstrate reflection of light using a plane mirror maze<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
2<\/td>\nShow refraction of light using a glass of water and a pencil<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
3<\/td>\nBuild a simple electric circuit with a switch, bulb, and battery<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
4<\/td>\nDemonstrate that sound requires a medium using a bell in a vacuum jar<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
5<\/td>\nShow how a concave and convex lens focuses and diverges light<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
6<\/td>\nBuild a simple electromagnet using wire, iron nail, and battery<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
7<\/td>\nDemonstrate how temperature affects the state of matter<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
8<\/td>\nShow Pascal’s law using a water-filled balloon with multiple holes<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
9<\/td>\nBuild a simple model to demonstrate the water cycle<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
10<\/td>\nShow Archimedes principle using a spring scale and water beaker<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
More Physics Class 7 Projects<\/a>
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Physics Class 8<\/h2>\n

10 Projects<\/span><\/p>\n<\/div>\n

\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
#<\/th>\nProject Idea<\/th>\nExplore<\/th>\n<\/tr>\n<\/thead>\n
1<\/td>\nDemonstrate Ohm’s law by measuring current at different voltages<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
2<\/td>\nShow that friction is affected by surface texture using a ramp<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
3<\/td>\nBuild a working model of a simple electric generator<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
4<\/td>\nDemonstrate the heating effect of electric current using resistance wire<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
5<\/td>\nShow how a solar cell converts light to electricity<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
6<\/td>\nDemonstrate pressure difference using a collapsing can experiment<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
7<\/td>\nBuild a model demonstrating the principle of a turbine<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
8<\/td>\nShow how a compass needle deflects near a current-carrying wire<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
9<\/td>\nDemonstrate sound wave properties using a tuning fork and water tray<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
10<\/td>\nBuild a simple electromagnet and measure its lifting power vs current<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
More Physics Class 8 Projects<\/a>
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Chemistry Class 6-7<\/h2>\n

10 Projects<\/span><\/p>\n<\/div>\n

\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
#<\/th>\nProject Idea<\/th>\nExplore<\/th>\n<\/tr>\n<\/thead>\n
1<\/td>\nClassify materials as soluble or insoluble in water<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
2<\/td>\nShow the difference between mixtures and compounds<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
3<\/td>\nSeparate a mixture using sedimentation, filtration, and evaporation<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
4<\/td>\nTest household substances as acid or base using turmeric indicator<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
5<\/td>\nShow how rust forms on iron and how oil prevents it<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
6<\/td>\nDemonstrate evaporation and condensation in a water cycle model<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
7<\/td>\nShow how baking soda and vinegar produce CO2 gas<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
8<\/td>\nSeparate sand, salt, and gravel using stepwise separation techniques<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
9<\/td>\nShow how flame color indicates different metals (flame test)<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
10<\/td>\nDemonstrate the concept of saturation using salt in water<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
More Chemistry Class 6-7 Projects<\/a>
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Chemistry Class 8<\/h2>\n

10 Projects<\/span><\/p>\n<\/div>\n

\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
#<\/th>\nProject Idea<\/th>\nExplore<\/th>\n<\/tr>\n<\/thead>\n
1<\/td>\nShow the difference between physical and chemical changes<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
2<\/td>\nDemonstrate neutralization using HCl and NaOH with phenolphthalein<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
3<\/td>\nShow displacement reaction using iron nail in copper sulphate solution<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
4<\/td>\nDemonstrate electrolysis of water and collect the gases<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
5<\/td>\nShow how soaps work by emulsifying oil in water<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
6<\/td>\nDemonstrate the reaction between calcium carbonate and acid<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
7<\/td>\nShow how hydrogen gas is lighter than air using an inverted gas jar<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
8<\/td>\nDemonstrate the formation of a precipitate in double displacement<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
9<\/td>\nShow catalytic decomposition of hydrogen peroxide using MnO2<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
10<\/td>\nDemonstrate the formation of iron sulphide from iron and sulfur<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
More Chemistry Class 8 Projects<\/a>
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Biology Class 6-7<\/h2>\n

10 Projects<\/span><\/p>\n<\/div>\n

\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
#<\/th>\nProject Idea<\/th>\nExplore<\/th>\n<\/tr>\n<\/thead>\n
1<\/td>\nMake slides of onion cells and observe cell wall and nucleus<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
2<\/td>\nShow how plants release oxygen during photosynthesis using pondweed<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
3<\/td>\nDemonstrate how roots absorb water using celery stalk and dye<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
4<\/td>\nCompare the structure of monocot and dicot seeds after soaking<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
5<\/td>\nObserve and classify local insects into their insect orders<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
6<\/td>\nStudy the effect of different soil types on plant root growth<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
7<\/td>\nDemonstrate respiration in germinating seeds using lime water<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
8<\/td>\nShow how leaves exchange gases using petroleum jelly and weight loss<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
9<\/td>\nMake a dichotomous key for classification of local plant species<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
10<\/td>\nDemonstrate the role of bacteria in decomposition using bread samples<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
More Biology Class 6-7 Projects<\/a>
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Biology Class 8<\/h2>\n

10 Projects<\/span><\/p>\n<\/div>\n

\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
#<\/th>\nProject Idea<\/th>\nExplore<\/th>\n<\/tr>\n<\/thead>\n
1<\/td>\nDemonstrate osmosis using a thistle funnel filled with sugar solution<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
2<\/td>\nStudy enzyme activity in saliva by testing starch digestion with iodine<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
3<\/td>\nShow the effect of light intensity on the transpiration rate<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
4<\/td>\nPrepare a model of the human respiratory system<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
5<\/td>\nStudy the stomatal density on upper and lower leaf surface<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
6<\/td>\nDemonstrate the effect of temperature on respiration in yeast<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
7<\/td>\nMake a working model of the human digestive system<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
8<\/td>\nStudy adaptations of plants in desert, aquatic, and forest habitats<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
9<\/td>\nDemonstrate that chlorophyll is necessary for photosynthesis<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
10<\/td>\nStudy the pulse rate before and after exercise and explain the change<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
More Biology Class 8 Projects<\/a>
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Environmental Science<\/h2>\n

10 Projects<\/span><\/p>\n<\/div>\n

\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
#<\/th>\nProject Idea<\/th>\nExplore<\/th>\n<\/tr>\n<\/thead>\n
1<\/td>\nTest the water quality of a local water body using simple test kits<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
2<\/td>\nStudy the biodiversity of insects in a 1m2 patch of garden<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
3<\/td>\nMeasure the noise pollution levels near school vs a park<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
4<\/td>\nDesign a waste segregation model for wet, dry, and hazardous waste<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
5<\/td>\nInvestigate the effect of sunlight on plastic bag degradation<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
6<\/td>\nMake a biogas model using kitchen scraps and a water bottle<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
7<\/td>\nStudy the effect of air pollution on the growth of bean seedlings<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
8<\/td>\nCompare the insulating efficiency of traditional mud walls vs concrete<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
9<\/td>\nDesign a grey water recycling system for a household model<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
10<\/td>\nInvestigate microplastic content in salt collected from different brands<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
More Environmental Science Projects<\/a>
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Technology & Innovation<\/h2>\n

10 Projects<\/span><\/p>\n<\/div>\n

\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
#<\/th>\nProject Idea<\/th>\nExplore<\/th>\n<\/tr>\n<\/thead>\n
1<\/td>\nBuild a simple solar water heater from black tubing and plywood<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
2<\/td>\nDesign a drip irrigation system using plastic bottles for a small garden<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
3<\/td>\nBuild a working model of a water pump using a syringe<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
4<\/td>\nCreate a simple wind speed meter (anemometer) using paper cups<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
5<\/td>\nBuild a model of a biomass gasifier using a tin can<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
6<\/td>\nCreate a rain water harvesting model for a school rooftop<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
7<\/td>\nDesign a mud-brick solar cooker and test its maximum temperature<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
8<\/td>\nBuild a model of a gravity-fed water distribution system<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
9<\/td>\nCreate an eco-friendly alternative to plastic packaging from banana fiber<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
10<\/td>\nDesign a model of an earthen dam with spillway and test water pressure<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
More Technology & Innovation Projects<\/a>
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Math & Logic<\/h2>\n

10 Projects<\/span><\/p>\n<\/div>\n

\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
#<\/th>\nProject Idea<\/th>\nExplore<\/th>\n<\/tr>\n<\/thead>\n
1<\/td>\nStudy the relationship between area and perimeter of rectangles<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
2<\/td>\nDemonstrate probability using colored marble draws from a bag<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
3<\/td>\nBuild geometric solids and calculate their surface area and volume<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
4<\/td>\nStudy patterns in multiplication tables using color-coded grids<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
5<\/td>\nDemonstrate the Pythagorean theorem using physical square tiles<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
6<\/td>\nStudy the relationship between speed, distance, and time using toy cars<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
7<\/td>\nAnalyze the math of symmetry in Indian rangoli patterns<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
8<\/td>\nStudy the arithmetic of musical scales using a homemade xylophone<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
9<\/td>\nDemonstrate the concept of negative numbers using temperature<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
10<\/td>\nStudy number patterns in nature: spirals in shells and sunflowers<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
More Math & Logic Projects<\/a>
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Browse 1,000+ fully detailed science fair project guides with methodology, materials, and judging criteria.<\/p>\n

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Explore 100 science project ideas for Class 6, 7, and 8 students covering Physics, Chemistry, Biology, and Environmental Science with hands-on experiments.<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[13],"tags":[],"class_list":["post-2072","post","type-post","status-publish","format-standard","hentry","category-science-fair-projects"],"yoast_head":"\n100 Science Projects for Class 6 to 8 Students (CBSE\/ICSE 2025)<\/title>\n<meta name=\"description\" content=\"Explore 100 science project ideas for Class 6, 7, and 8 students covering Physics, Chemistry, Biology, and Environmental Science with hands-on experiments.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/1000sciencefairprojects.com\/tech\/science-projects-class-6-to-8\/\" 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