• Is there a relationship between the size and strength of a magnet?

• Which boat shape can support the most weight?

• How does the temperature affect the bounce height of a ball?

• Does color affect the rate at which an ice cube melts?

• Do all liquids freeze at the same rate?

• Does iron rust faster in salt water or fresh water?

• Does temperature have an effect on solubility?

• Does an ice cube melt faster in air or water?

• Do all objects fall to the ground at the same speed?

• Does the width of a rubber band affect how far it will stretch?

• Do sugar crystals grow faster in tap water or distilled water?

• Do different watt light bulbs produce different amounts of heat?

• Which type of container keeps liquids hotter for more time?  

Life Science Projects

• Do vitamins or fertilizers affect the growth of plants?

• Does temperature affect the growth of seeds or plants?

• How does temperature affect the growth of mold?

• How does light affect the growth of mold?

• What kinds of materials decompose (rot) faster when buried?

• Will bananas brown faster on the counter or in the refrigerator?

• Does sugar prolong the life of cut flowers?

• Which household fertilizer works best?

• Can plants grow without soil?

• Does the color of light affect plant growth?

• Do ants like cheese or sugar better?

• Does the color of water have an effect on the life cycle of a mosquito?

• Earth Science Projects

• How accurate are local weather forecasters?

• Does the drop height of an object affect the size of the crater it will make?

• Are there differences in temperature in shaded vs. non-shaded areas during the day and night?

• Are there differences in shadow length during the day?

• Do different types of soils have different percolation rates?

• Do weather conditions affect the reception of satellite TV?

• What effect does freezing or boiling have on rocks?

• Do different wind speeds form different sizes and shapes of sand dunes?

• How well does charcoal filter water?

• How does the size of the ice cube affect its melting time?

Chemistry Science Projects

• Does the amount of fat in butter/margarine affect the time it takes to melt?

• What kind of juice cleans pennies best?

• Do foods containing preservatives really stay fresh longer than foods without them?

• Are all potato chips equally "greasy"?

• Can you use a household water filter to remove flavor or color from other liquids?

• Which dish detergent breaks up oil the best?

• How does salt affect the boiling point of water?

• How does salt affect the freezing point of water?

• Does color affect a paper towel’s absorbency?

• Do dissolved materials, such as salt, in water affect the absorbency of a paper towel?

• Do substances other than salt melt ice?

Consumer Science Projects

• What type of adhesive is the strongest?

• What material used for clothing or raincoats is most water-resistant?

• Does the amount of air space in a container affect food spoilage?

• What brand of toothpaste is the most abrasive?

• Which type of cheese grows mold the fastest?

• Which brand of diaper holds the most water?

• What type of cleaner removes ink stains best?

• Which brand of plastic trash bag is the strongest?

• Which brand of cat litter absorbs the most?

• Which brand of battery lasts the longest?

Sites to Help You Pick a Topic:

http://www.sciencebuddies.org/mentoring/project_topic.shtml

The Science Buddies’ site has a wizard to help you pick a topic.

http://www2.warnerbros.com/ideagenerator/index.html

The Cybermission website has a tool to help generate ideas for science and technology projects.

http://www.all-science-fair-projects.com

The All Science Fair Projects’ site has tons of ideas for sample topics.