1. Which bridge design is stronger? 2. Which type of wood burns the fastest? 3. Which wood absorbs the most water? 4. Which household fabric burns

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1 1. Which bridge design is stronger? 2. Which type of wood burns the fastest? 3. Which wood absorbs the most water? 4. Which household fabric burns the fastest? 5. Which fabric keeps you the warmest? 6. Which materials block radio waves the best? 7. Analyze the different heat retention capabilities of straw, sand, paper, and cloth. 8. Does wind increase the rate of evaporation? 9. Which motor oil withstands heat the best? 10. The effects of crowding in plant life. 11. Is scooping, straining, or sand a more effective way to remove oil from water? 12. The effect of temperature, wind, or humidity on evaporation. 13. The effect of sound on plants. 14. Is material, structure, or strength most important in building dams? 15. Which material decomposes the fastest? (cloth, glass, styrofoam, paper,...) 16. Which material is best for soaking up oil? 17. Where in Parsons has the most air pollution? 18. What material erodes the easiest, dirt, grass, sand, gravel. 19. What is the safest material for packaging products? 20. Do energy drinks have an affect on the growth of plants? 21. Do energy drinks have an affect on blood pressure? 22. Do plants grow better with tap water, distilled water, or spring water? 23. What kind of soil is best for water retention? 24. In which type of soil will grass grow most productively? 25. Does taking a test affect a personʼs blood pressure? 26. Does a full moon have an affect on behavior? 27. Does the type of music have an affect on the grade you get on a test? 28. Does music have an affect on the rate at which someone puts a puzzle together? 29. Which type of fabric burns the fastest? Which type of material is more fire resistant? 30. Do vitamins affect the growth of plants? 31. What factor affects decomposition the most? 32. The effects of fats, carbohydrates, and cholesterol on plants? 33. Which brand of paint prevents more rust? 34. Which holds two boards together better nail, screw, or glue? 35. The effect of gatorade, powerade, and water on pulse rates of athletes while exercising. 36. Does the color of paper a test is taken on affect the score of the test? 37. Which type of wood burns at the highest temperature? 38. Does the percentage of cotton in a cloth determine itʼs durability? 39. The dissolution rate of different brands of ibuprofen. 40. Which type of paper will decompose the fastest? 41. The dissolution time of decongestants in water and stomach acid? 42. Which kind of trash, when burned creates the most heat? 43. Which brand of band-aid has the most adhesive stick? 44. The effect of shampoos on the tensile strength of hair. 45. Which materials work best in a sandbag for blocking floodwaters. 46. Which nail can resist the most force? 47. Which brand of fireplace pellets burn the longest? 48. Does the ph level of the acid in our stomachs affect the digestion of proteins? 49. Does dehydration affect your ability to test? 50. Which type of green bean produces the most gas when dissolved? 51. Which fruits contain the most water? 52. Which type of paper burns the fastest? 53. Which seatbelt is the strongest? 54. Does rain, chlorine rain, or salt water stimulate the growth of plants the best? 55. Which type of light is most efficient? 56. Does calorie intake affect athletic or school performance? 57. Does the type of pollution on the growth of plants? 58. The effects of antenna modification on amplification. 59. Does the time of day plants are watered have an affect on the growth of the plants? 60. Does the age of a person have an affect on their heart rate after exercising? 61. What materials make the best parachute? 62. Breaking distances of cars on different road surfaces. 63. The effect of different chemicals on cut flowers. 64. Which method of catching flies is most effective? 65. Does the ph level in Lakes, Rivers, and Streams change from week to week? 66. Does the fat content of milk affect the rate at which it spoils?

2 67. Gender equity in school textbooks. 68. Racial equity in school textbooks. 69. Does learning mode affect memory? 70. The effect of sugar and caffeine on typing speed and accuracy. 71. The influence of aspirin consumption on physical activity. 72. Does the way you study influence the amount of information retained? 73. The influence of warming up on physical performance. 74. Does the type of fabric have an affect on the amount of light energy absorbed? 75. Does the type of soil determine the length roots will grow? 76. Which type of food decomposes the fastest? 77. Does the location a fruit is stored determine the time it takes to brown? 78. Which wrapping keeps things colder? 79. Do the materials used to make concrete affect the strength of the concrete? 80. Which liquid keeps flowers alive longest? 81. Will drinking different fluids affect the way you retain knowledge? 82. Which cookie sheet makes cookies the fastest: brick, aluminum, or stainless steel? 83. Does the time of day a plant is exposed to sunlight affect the growth of the plant? 84. Does the amount of sleep you receive affect the speed and accuracy at which you type? 85. Does a personʼs age affect their blood pressure increases while testing? 86. The effect of temperature on the flight of golf balls. 87. Does weather have an affect on a cell phoneʼs signal? 88. Do different treeʼs barks have different burning rates? 89. Does the age of a brick determine itʼs strength? 90. Road salt on highways and roads affect on plant growth. 91. Which type of rocks are most affected by acid rain? 92. Does organic material affect the water retention in soil? 93. Is the ice used at Quick stop, fast trip, friendlyʼs, or toilet water the most bacteria free? 94. Is the ice used at Quick stop, fast trip, friendlyʼs, or toilet water have the highest ph level? 95. Does exercise, caffeine or sugar allow a student to sustain attention longer? 96. Can different colors or type of cloth attract or repel insects from plants? 97. Does reading different font / color have an affect on ability to memorize? 98. Do dogs perfer Dasani, Avion, or Samʼs Choice Bottled Water? 99. Is the restroom door handle at McDonaldʼs, Burger King, or KFC, or home the most bacteria free? 100. Which shape of ice keeps items the coldest? 101. Does the fat content in milk affect the rate at which it boils? 102. Is the top of a soda can from quick stops more bacteria free than the oneʼs from grochery stores? 103. Does the amount of water consumed before running a mile have an affect on your time? 104. Does the type of surface have an affect on your mile time? 105. Does hydration have an affect on your ability to retain information? 106. Does roll on, stick, or spray deodorant absorb more water? 107. Does fresh, canned, or frozen veggies produce more gas? 108. Does dryfit, cotton, or polyester repel more water? 109. Does what you cork a baseball bat with have an affect on the distance the ball will travel? 110. Does the way you study affect the amount of knowledge retained? 111. Which cooking spray is most stick-resistant? 112. Does talking on a cell phone, texting, talking on speaker phone or paying attention produce the fastest time on a driving simulator game? 113. Which studying method is most effective for taking a test: note cards, reading the chapter, or people quizzing you? 114. Do students retain information better from lecture, videos, or computer feeds? 115. Does hair grow faster after it has been cut, shaved, or naired? 116. Which brand of rock salt is most effective at melting ice? 117. Does the brand of shoes determine jumping ability? 118. Does fashion impact behavior? Does the age of a person have an affect on their reaction time? Do Gas Stations Affect the Soil Around them? Book: The complete handbook of sci fair projects 121. Which type of lawn sprinkler works best? The effect of color and favorite color on memory.

3 Do Green bags, zip-lock bags, or aluminium foil allow fruits to retain their water more? 124. Which concrete mixture is the strongest? 125. Which containers does evaporated (boiled water) contain the most? 126. Which sunscreen is most effective? 127. Which deodorant stop most wetness? 128. Which brand of chewing gum retains itʼs mass the best after chewing for 15 minutes The effects of varying amounts of water on seed germination? 130. Does temperature affect viscocity? 131. Which window cleaner is most harmful to plants? 132. Which bandage stays on longer when exposed to water? 133. Does the brand of fabric softener affect drying time? 134. Does computer-enhanced learning compare to conventional learning? 135. Whose website predicts high and low temperatures with the best accuracy? 136. Which weatherman best predicts high and low temperatures? 137. What is the best type of insulation? 138. What is the effect of soccer ball temperature in kicking distance? 139. The effect on golf putting accuracy using different putters Does the type of telivsion you watch affect pulse rates? 141. Does the type of video game you plan affect heart rate? 142. Does the type of cartoon watched affect the heart rate of children? Testing the radiant heat transmission of various roofing materials Keep your cool: A study of home air conditioning and heating energy efficiency Does the color of food have an affect on whether or not people will eat it? 146. How does chlorine affect grass growth? 147. Whatʼs the best way to alter the rate of decomposition? 148. The effects of dietary supplements on Heart Rate? 149. How liquids affect the magnitude of your voice? The effect of parachute design on rate of descent Does what you drink affect the ph level of your mouth? 152. What effect does bleach and hair dye have on the tensil strength of human hair? 153. Will the shape of a wing affect itʼs lift capacity? 154. Does the amount of time you exercise per day affect your heart rate? 155. Does the amount of time you exercise per day affect weight loss? Does infield chatter affect a pitcherʼs accuracy? Testing the hatching rates of worm cacoons at different temperatures Which household item is best to kill fruit flies? 159. What is the best way to keep squirrels off of tomarto plants? Can visualization improve sport performance? 161. Does sleep have an affect on memory? Learn Number sequence to type with left hand over and over. - show on 60 minutes Does sleep have an affect on driing ability? 163. Does lack of sleep lead to obesity? 164. Does the quality of sleep have an affect on cognitive ability? Does the type of teaching have an affect on the percentage of students profiecent on the state science assessment?

4 Energy Drinks: - Will the Brand of Energy Drinks have an affect on blood pressure? - Will the Brand of Energy Drinks have an affect on heart rate? - Will the Brand of Energy Drinks have an affect on blood sugar level? - Will the Brand of Energy Drinks have an affect on concentration? - Will the Brand of Energy Drinks have an affect on memory? - Will the Brand of Energy Drinks have an affect on vision? - Will the Brand of Energy Drinks have an affect on sleep? - Will the Brand of Energy Drinks have an affect on driving ability? - Will the Brand of Energy Drinks have an affect on testing ability? - Will the Brand of Energy Drinks have an affect on typing speed? - Will the Brand of Energy Drinks have an affect on coordination? - Will the Brand of Energy Drinks have an affect on hydration? - Will the Brand of Energy Drinks have an affect on flexibility? - Will the Brand of Energy Drinks have an affect on athletic ability (shooting, speed, etc.)? Hours Slept (2,6,9): - Will the number of hour slept (2,6,9) have an affect on blood pressure? - Will the number of hour slept (2,6,9) have an affect on heart rate? - Will the number of hour slept (2,6,9) have an affect on blood sugar level? - Will the number of hour slept (2,6,9) have an affect on concentration? - Will the number of hour slept (2,6,9) have an affect on memory? - Will the number of hour slept (2,6,9) have an affect on vision? - Will the number of hour slept (2,6,9) have an affect on driving ability? - Will the number of hour slept (2,6,9) have an affect on test scores? - Will the number of hour slept (2,6,9) have an affect on typing speed? - Will the number of hour slept (2,6,9) have an affect on sports ability (shooting baskets, speed,)? - Will the number of hour slept (2,6,9) have an affect on reaction time? - Will the number of hour slept (2,6,9) have an affect on coordination? - Will the number of hour slept (2,6,9) have an affect on flexibility? - Will the number of hour slept (2,6,9) have an affect on level of hydration? Sports: - Will the brand of helmet determine the level of protection? - Which brand of football is fumbled least? - Will running form have an affect on running speed? - Will the type of stretching have an affect on flexibility? - Will the type of stretching have an affect on speed? - Will the type of stretching have an affect on jumping ability? - Will the type of stretching have an affect on throwing ability? - Will the type of stretching have an affect on shooting ability? - Which sport causes the greatest amount of fatigue? - Which game preparation (visualization, form practice, or nothing) produces the best result? - Does the brand of shoes determine jumping ability? - Does the brand of shoes determine speed? - Do starting blocks really increase a sprinters time? - Does the type of exercise performed have an affect on hours slept? Plants: - Does the type of household cleaner (windex, pledge, freebreeze) have an affect on plants? - Which car exhaust (SUV, Truck, car, Van) is most harful on plants? - Which type of pollution is worst for plants (cig.butts, mcdonalds sacks, plastic sacks)? Medicine: - Does Asprin, tylenol, or ibuprofin increase blood pressure the most? - Does Asprin, tylenol, or ibuprofin increase heart rate? - Does Asprin, tylenol, or ibuprofin increase blood sugar level? - Does Asprin, tylenol, or ibuprofin increase concentration? - Does Asprin, tylenol, or ibuprofin increase memory? - Does Asprin, tylenol, or ibuprofin increase vision?

5 - Does Asprin, tylenol, or ibuprofin increase sleeping ability? - Does Asprin, tylenol, or ibuprofin increase driving ability? - Does Asprin, tylenol, or ibuprofin increase testing ability? - Does Asprin, tylenol, or ibuprofin increase typing speed? - Does Asprin, tylenol, or ibuprofin increase reaction time? - Does Asprin, tylenol, or ibuprofin increase coordination? - Does Asprin, tylenol, or ibuprofin increase flexibility? - Does the type of exercise have an affect on blood sugar level? School: - Does the type of breakfast eaten affect testing ability? - Which study technique is most effective? - Which instructional method is most effective for test scores? - Does the amount of light help determine testing ability? - Does music have an affect on testing ability? - Does the type of instructor (funny, negative, positive) have an affect on testing ability? - Does candy have an affect on testing ability? - Does the type of food have an affect on testing ability? Food: - Does school lunch have an affect on wieght gain? - Does school lunch have an affect on blood pressure? - Does school lunch have an affect on cholesterol? - Does school lunch have an affect on concentration? - Does school lunch have an affect on memory? - Does school lunch have an affect on testing ability? - Does school lunch have an affect on driving ability? - Does school lunch have an affect on vision? - Does school lunch have an affect on typing speed? - Does the color of food have an affect on...?