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Lehrman Community Day School 2010 Science Fair March 9th - 12th |
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Topic Ideas
The following is a list of science fair topic ideas. You DO NOT have to choose any of these topics for your project. They are suggestions to help you brainstorm for ideas.
Chemistry
- What are the effects of temperature on viscosity of oil?
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Compare the pH levels in the mouths of various animals and humans at different times of day.
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What are the effects of salt and other contaminants on the rates of rusting? What are the factors that affect the rate and size of crystal growth?
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What are the effects of salts on the freezing points of liquids?
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What are the effects of electric fields on the rate of evaporation of liquids?
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What affects the rising of bubbles in a liquid?
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Can the colors of natural dyes be separated using chromatin paper?
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How is the jelling of gelatin affected by the type of fruit used?
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What is the relationship between carbon dioxide production and temperature in yeast growth?
Physics
- Which type of nylon fishing lines is the strongest?
- Compare the efficiency/effects of various lubricants on gears.
- Which homemade airplane design flies best?
- What factors affect the bounce of a dropped ball?
- How does temperature change affect the elasticity of rubber?
- How do different temperatures affect the drying rate of paint?
- What is the effect of heat when dissolving sugar? Salt?
- How is the strength of a magnet affected by glass, cardboard and plastic?
- Which holds two materials together better, a screw or a nail?
- Do all objects fall at the same speed?
- How does the weight of a pendulum affect the swing?
- How is the distance a cart rolls affected by the mass in the cart?
- On what kind of surface will a ball roll fastest?
- What materials provide the best insulation?
- Do toy cars with bigger wheels go farther than those with small wheels?
- Which metals will rust more quickly?
Earth and Space Science
- What affects the rate of evaporation the most – temperature, humidity, wind speed, or other factors?
- Does fresh water hold heat longer than salt water?
- Compare the load bearing strength of different soils.
- What are the effects of weather on human emotions?
- Compare size and air resistance of model car?
- Which angle of launch sends a projectile the greatest distance?
- How does the color of a background affect its absorption of solar energy?
- Is rainwater absorbed at the same rate in different kinds of soil?
- What type of soil is best for water retention?
- What is the impact of pollution on an ecosystem?
- Experiment with biodegradability.
- How does salinity affect density?
Medicine and Health
- Is there a relationship between eating breakfast and school performance?
- Does lung capacity depend on height?
- Do different varieties of the same fruit have the same level of Vitamin C?
- Do different brands of orange juice have the same amount of Vitamin C?
- Are there different amounts of iron in different breakfast cereals?
- Will practice increase jumping height?
- What are the effects of cola on teeth? How do acids affect teeth?
- Which type of soda is the most corrosive?
- Which is worse for your teeth-cola, orange juice, or vinegar?
- What are the effects of a low-fat diet on cholesterol?
- Which detergent breaks up oil best?
- Which detergent makes the most bubbles?
- What type of dishwashing liquid makes the best bubble solution?
- How does the wattage of a light bulb affect energy use?
- Which brand of glue holds two boards together best?
- Which type of battery makes toys run longest?
- Which type of diaper holds the most water?
- Which type of mouthwash is most effective?
- What brand of juice (of kind of fruit) is the most acidic?
Plants
- What is the percentage of water in various fruits and vegetables?
- Does music affect plant growth?
- Compare types of artificial light on plant growth.
- Do different colored lights affect plant growth?
- What are the best conditions for mushroom production/growth?
- What factors affect seed germination?
- What factors affect flowering?
- What is the effect of different detergents on bean seeds?
- What are the effects of phosphates on aquatic plants?
- Does the amount of sun light on plants affect their growth?
- How do different conditions affect the speed at which vegetables and fruit ripen?
- Which plants and vegetables make the best dye?
- How does temperature affect the water uptake in celery plants?
- Does the type of water affect the growth of plants?
- What effect do Epsom salts have on plant growth?
- How do different types of fertilizers affect plant growth?
- What effect does seed size have on plant growth?
- Which type of food molds the fastest?
- How do different types of plant food affect plant growth?
- What are the effects of soil and organic matter on the growth of plants?
- Will plants grow better in soil or water?
Animals
- Do ants like sugar better than cheese?
- What types of birdseed do birds prefer?
- How does electricity affect fruit flies?
- How do different types of liquids affect fruit fly growth?
- What are the reactions of protozoa to changes in the environment?
- What are the factors affecting the rate at which a cricket chirps?
- How does pH affect brine shrimp?
- How does acid rain affect goldfish?
- Is a goldfish more active in cold or warm water?
- Are insects more active in cold or warm environments?
- Can a small rodent find food in a maze?
- Which type of treats do dogs prefer?
- What flower colors attract hummingbirds best?
- What is the effect of temperature on the activity of (mealworms, crickets, etc.)?
This page was last updated on 12/9/2009.
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