Science Fair Approved Topics for 5th Grade



Science Fair Approved Topics for 5th Grade

• How does the temperature change during the day? What time of day is usually the warmest? Can you construct your own thermometer to keep your own records?

• Do preservatives stop bread mold from growing?

• What fabrics make good insulators?

• How can you remove salt from water?

• Which foods contain starch?

• Which sense organ can detect the greatest variety of sensory information?

• In which liquids will an ice cub float?

• How does specific gravity vary with minerals?

• What metals and/or/materials will rust?

• How does the color of an object affect how warm it gets?

• Where is the best place to position solar heating units?

• Can the wind be used to make electricity in the area where we live?

• Is a solar collector a feasible way to heat water?

• Are there solid particles in the air we breathe?

• What kinds of soil or rock make the best water filter?

• What materials are biodegradable?

• How does root position affect plant growth?

• What is the composition of soils in your area?

• At what temperature does condensation start?

• How does rainfall affect erosion in different types of soil?

• What effect does the depth of a planted seed have on the plant’s growth?

• What effects will colored light bulbs have on the plant’s growth?

• What factors affect sound wave frequency?

• What factors affect leaf decay?

• What kind of soil holds the best water?

• Why do some soils dry faster than others?

• How does the tail affect the flight of a kite?

• How does our vision affect our taste?

• How do metals compare in density and buoyancy?

• What is the best wing shape for flight?

• How is light affected passing through water?

• Do oil additives reduce friction on engine parts?

• What are the effects of salts on the freezing point of water and other liquids?

• What are the effects of caffeine on a person’s blood pressure?

• Does the packing material affect how well a raw egg is protected?

• Does the type of insulation material affect how long heat is retained?

• Does the type of liquid affect melting time?

• Does the type of adhesive tape affect the sticking strength?

• Does light affect germination time for seeds?

• Does the weight of an object affect drop time?

• Does the amount of water affect how long it takes to boil?

• Does temperature of soda affect the length of time its bubbles remain?

• Does the number on dice affect how many times it is rolled?

• Does the type of clear liquid - water, alcohol, vinegar, hydrogen peroxide – affect speed of evaporation?

• Will different music affect a plants growth?

• Would vinegar, lemon juice, soapy water, or tap water work better in cleaning stains off different types of coins?

• Does the size of a balloon affect how loud it pops?

• How does water pollution affect plant growth?

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