{"id":2071,"date":"2026-06-08T13:02:00","date_gmt":"2026-06-08T07:32:00","guid":{"rendered":"https:\/\/1000sciencefairprojects.com\/tech\/?p=1007"},"modified":"2026-06-09T11:51:23","modified_gmt":"2026-06-09T06:21:23","slug":"science-fair-project-ideas-5th-grade","status":"publish","type":"post","link":"https:\/\/1000sciencefairprojects.com\/tech\/science-fair-project-ideas-5th-grade\/","title":{"rendered":"Science Fair Project Ideas for 5th Grade"},"content":{"rendered":"
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Science Fair Resources<\/span><\/div>\n

Science Fair Project Ideas for 5th Grade<\/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<\/a>
\nBiology<\/a>
\nChemistry<\/a>
\nEarth Science<\/a>
\nHealth & Human Body<\/a>
\nMath & Patterns<\/a>
\nTechnology & Engineering<\/a>
\nAnimal Science<\/a>
\nEnvironmental Science<\/a>
\nAstronomy & Space<\/a><\/div>\n<\/div>\n
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<\/div>\n

Physics<\/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>\nWhich paper airplane design travels the longest distance?<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
2<\/td>\nDoes the color of an object affect how much heat it absorbs?<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
3<\/td>\nWhich type of insulation keeps a cup of hot chocolate warmest?<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
4<\/td>\nHow does the height of a ramp affect how far a car travels?<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
5<\/td>\nDoes the size of a parachute affect how slowly it falls?<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
6<\/td>\nWhich bridge shape made from popsicle sticks holds the most weight?<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
7<\/td>\nHow does water depth affect wave speed in a pan?<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
8<\/td>\nDoes the length of a rubber band affect how far it shoots?<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
9<\/td>\nWhich container shape (sphere, cube, cylinder) melts ice fastest?<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
10<\/td>\nHow does changing the weight of a pendulum bob affect swing time?<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
More Physics Projects<\/a>
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Also Read : Science Projects for Class 6 to 8<\/a><\/h4>\n
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Biology<\/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>\nDo plants grow faster in soil, sand, or gravel?<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
2<\/td>\nWhich type of light helps plants grow the tallest?<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
3<\/td>\nDoes playing music help plants grow faster?<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
4<\/td>\nWhich common drinks stain teeth the most using eggshells?<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
5<\/td>\nWhat happens to plants when they do not get enough water?<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
6<\/td>\nWhich type of bread develops mold the fastest?<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
7<\/td>\nDo seeds germinate faster in warm or cold temperatures?<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
8<\/td>\nDoes the amount of water affect how fast a plant grows?<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
9<\/td>\nWhich natural material keeps fruit fresh the longest?<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
10<\/td>\nDo earthworms prefer dark or light soil environments?<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
More Biology Projects<\/a>
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Chemistry<\/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>\nWhich fizzing tablet works the fastest in water?<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
2<\/td>\nWhat household liquids can be used as natural cleaners?<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
3<\/td>\nHow does salt affect the time it takes water to boil?<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
4<\/td>\nWhich materials dissolve the fastest in water?<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
5<\/td>\nCan you make a battery from different fruits?<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
6<\/td>\nDoes temperature affect how fast sugar dissolves in water?<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
7<\/td>\nWhich type of ice cube melts fastest: large, small, or crushed?<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
8<\/td>\nHow do different liquids react to baking soda?<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
9<\/td>\nCan you remove stains better with hot water or cold water?<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
10<\/td>\nWhat happens when you mix milk and vinegar?<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
More Chemistry Projects<\/a>
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Earth 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>\nWhich type of soil holds the most water?<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
2<\/td>\nHow does slope angle affect the speed of landslides?<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
3<\/td>\nCan you predict rain by observing cloud types?<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
4<\/td>\nHow does plant cover affect soil erosion from water?<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
5<\/td>\nWhat is the effect of salt on ice melting speed?<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
6<\/td>\nHow does rock type affect how fast it weathers?<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
7<\/td>\nHow does the color of the ground affect how hot it gets?<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
8<\/td>\nCan you create a mini water cycle in a glass jar?<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
9<\/td>\nHow do shadows move across a day? (Sundial project)<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
10<\/td>\nHow does the amount of sunlight affect local temperature over a week?<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
More Earth Science Projects<\/a>
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Health & Human Body<\/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>\nDoes eating breakfast improve memory test scores?<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
2<\/td>\nWhich hand sanitizer kills the most bacteria on hands?<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
3<\/td>\nDoes exercise affect how fast your heart beats?<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
4<\/td>\nWhich common foods have the most hidden sugar?<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
5<\/td>\nDoes listening to music help you concentrate on homework?<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
6<\/td>\nWhich drink rehydrates you fastest after exercise?<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
7<\/td>\nHow does the amount of sleep affect your reaction time?<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
8<\/td>\nWhich posture (sitting, standing) is best for reading comprehension?<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
9<\/td>\nDoes the temperature of food affect how we taste sweetness?<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
10<\/td>\nWhich healthy snack gives you the most energy boost?<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
More Health & Human Body Projects<\/a>
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Math & Patterns<\/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>\nIs your height related to your arm span? (Vitruvian Man test)<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
2<\/td>\nDo larger hands mean better at catching a ball?<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
3<\/td>\nIs there a pattern in the number of seeds in different fruits?<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
4<\/td>\nDo older people or younger people estimate time more accurately?<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
5<\/td>\nCan you find Fibonacci numbers in pinecones and flowers?<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
6<\/td>\nDoes birth month affect how tall you are compared to classmates?<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
7<\/td>\nIs there a relationship between foot size and height in families?<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
8<\/td>\nWhich shape tessellates the most efficiently on graph paper?<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
9<\/td>\nHow close are people to guessing 60 seconds without a clock?<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
10<\/td>\nIs the number of siblings related to grades in your class?<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
More Math & Patterns Projects<\/a>
\nBack to Top<\/a><\/div>\n<\/div>\n
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Technology & Engineering<\/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 solar oven from a pizza box and cook a marshmallow<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
2<\/td>\nDesign the tallest tower possible from 20 pieces of spaghetti<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
3<\/td>\nBuild a working model electric fan from a battery and motor<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
4<\/td>\nCreate a water filter from sand, gravel, and cotton<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
5<\/td>\nMake a homemade compass using a magnetized needle and cork<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
6<\/td>\nDesign a device that moves water uphill without a pump (Archimedes screw)<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
7<\/td>\nBuild a model suspension bridge and test its load capacity<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
8<\/td>\nCreate a working hydraulic arm using syringes<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
9<\/td>\nBuild a model that demonstrates erosion using a sandbox and water<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
10<\/td>\nMake a working periscope from mirrors and a cardboard tube<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
More Technology & Engineering Projects<\/a>
\nBack to Top<\/a><\/div>\n<\/div>\n
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Animal 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>\nDo fish respond differently to different colors of light?<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
2<\/td>\nWhich type of bait attracts the most ants?<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
3<\/td>\nDo dogs prefer classical music or silence for napping?<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
4<\/td>\nWhich type of bird feeder attracts the most bird species?<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
5<\/td>\nDo earthworms prefer moist or dry soil for movement?<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
6<\/td>\nCan crickets tell you the temperature? (Dolbear’s Law)<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
7<\/td>\nDo meal worms have a preferred habitat color or texture?<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
8<\/td>\nHow do ants communicate food locations to other ants?<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
9<\/td>\nDo butterflies prefer certain flower colors for feeding?<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
10<\/td>\nCan goldfish recognize their owner vs a stranger?<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
More Animal Science Projects<\/a>
\nBack to Top<\/a><\/div>\n<\/div>\n
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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>\nWhich household items can be composted most effectively?<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
2<\/td>\nDoes recycled paper have different properties than new paper?<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
3<\/td>\nHow does litter affect the germination of nearby seeds?<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
4<\/td>\nWhich common plant can purify the most indoor air pollution?<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
5<\/td>\nDoes reusing plastic bags affect how quickly they degrade?<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
6<\/td>\nWhat is the effect of road salt on plant growth in spring?<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
7<\/td>\nCan you power a small light using a vegetable battery?<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
8<\/td>\nHow does the color of a roof affect indoor room temperature?<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
9<\/td>\nWhich packaging material has the smallest environmental footprint?<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
10<\/td>\nCan compost tea improve plant growth compared to tap water?<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
More Environmental Science Projects<\/a>
\nBack to Top<\/a><\/div>\n<\/div>\n
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Astronomy & Space<\/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 model solar system to scale in your school hallway<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
2<\/td>\nWhich planets would you weigh the most or least on?<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
3<\/td>\nHow does the moon phase affect tide height? (Research project)<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
4<\/td>\nBuild a model rocket from cardboard and test flight stability<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
5<\/td>\nHow many stars can you see with the naked eye vs binoculars?<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
6<\/td>\nMake a model of the phases of the moon using Oreo cookies<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
7<\/td>\nTrack the position of Jupiter over a month using binoculars<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
8<\/td>\nHow does distance from a light source affect its apparent brightness?<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
9<\/td>\nBuild a simple telescope from lenses and tubes<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n
10<\/td>\nStudy the International Space Station pass times from your location<\/td>\nView \u2192<\/a><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
More Astronomy & Space Projects<\/a>
\nBack to Top<\/a><\/div>\n<\/div>\n
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Ready to Start Your Science Fair Project?<\/h2>\n

Browse 1,000+ fully detailed science fair project guides with methodology, materials, and judging criteria.<\/p>\n

Browse All Projects<\/a>
\nBrowse Categories<\/a><\/div>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"

Find 100 amazing science fair project ideas for 5th grade students. Easy experiments in physics, biology, chemistry, and earth science with clear hypotheses.<\/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-2071","post","type-post","status-publish","format-standard","hentry","category-science-fair-projects"],"yoast_head":"\n100 Fun Science Fair Project Ideas for 5th Grade Students (2025)<\/title>\n<meta name=\"description\" content=\"Find 100 amazing science fair project ideas for 5th grade students. 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