Fact Shrine

 

• Acid Rain: How does acid rain affect algae and bacteria?
• Acid Rain: How does acid rain affect the cell structure of Spirogyra algae?
• Aerodynamics: What is the most aerodynamic bike wheel?
• Air Pollution: Can lichen be used as an indicator of air quality?
• Air Pollution: How does the quality of roadside air affect the growth rate of white pine?
• Air Pollution: What effect does sulfur dioxide have on lichens?
• Aluminum: Does aluminum leach out of Teflon pans?
• Are dogs colorblind?
• Are hot air balloons different from blimps
• Artificial Intelligence: Does alpha-beta pruning improve program efficiency?
• Aspartame: Does the sweetener aspartame affect the life cycle of mealworms?
• Aspirin and Thinning Blood: What’s the minimum daily aspirin dosage required to thin blood?
• Bacteria and Honey: How do the antimicrobial capabilities of raw honey change after the
• oney is treated with heat, ethanol, and ultraviolet radiation?
• Bacteria and Makeup: Does clarifying makeup inhibit bacterial growth better than normal makeup does?
• Bacteria and Seafood: Can treating fresh fish with antibacterial washes improve seafood safety?
• Bacteria and Soap: Do antibacterial soaps kill bacteria or select for resistant bacteria?
• Bacteria and Soap: Do soap bars with recessed brand-name imprints harbor more bacteria than flat bars do?
• Bacteria: Are antibacterial hand lotions effective in reducing bacteria populations?
• Bacteria: Are Coliform bacteria present in store-bought packages of ground beef?
• Bacteria: Are restroom door handles contaminated with bacteria?
• Bacteria: Does reusing water bottles increase their bacterial content?
• Bacteria: How clean are the tops of soda cans, and what is the most effective way to clean them?
• Bacteria: How do caffeine and nicotine affect bacterial growth?

• Bacteria: How do the antibiotic resistance patterns of bacteria in chickens and horses compare?
• Bacteria: How do the bacterial populations of free-ranging and traditionally raised chickens differ?
• Bacteria: How effective is a fungus from an extreme environment in killing bacteria?
• Bacteria: How well do we wash our hands?
• Bacteria: What antibacterial properties do extracts from basil and mint plants have?
• Bacteria: What antibacterial properties do various pine extracts have?
• Bacteria: What effect do ultrasound and very high magnetic fields have on the growth of Escherichia coli?
• Barnacles: What substance best prevents barnacle growth?
• Bees: How does nicotine affect the consumption of alcohol by honeybees?
• Bees: What nectar sources do bees use in the fall for making honey?
• Biometrics: Can computer systems for recognizing human motion be used to counter terrorism?
• Biometrics: Can vocal wave form patterns be used to identify individuals?
• Birds: How do predator calls affect the behavior of birds?
• Birds: How does the type of food affect the feeding behavior of Arabian babblers?
• Birds: Which color of birdfeeder attracts more birds?
• Blood Pressure: What effect does playing a video game have on a person’s blood pressure?
• Blood Pressure: What effects do garlic and vitamin C have on high blood pressure in people?
• Boats: What’s the best hull shape for a fast boat?
• Body Temperature: How does eating hot or cold foods change a person’s body temperature?
• Brine Shrimp: How do electromagnetic fields affect populations of brine shrimp?
• Brine Shrimp: What effect do salinity, light, and temperature have on the hatch rate of brine shrimp eggs?
• Business: How does the method of stock selection affects portfolio profit?
• Caffeine: Are the motor skills of teachers or students affected more by caffeine?
• Caffeine: How do people who are more than 60 years old differ in their response to caffeinated coffee from people who are less than 60 years old?
• Caffeine: What effect does caffeine have on Drosophila melanogaster (fruit flies)?
• Caterpillars: How does the type of food affect the growth of monarch caterpillars?
• Cell Phones and Driving: Does cell phone use affect driving ability in a video game simulation?
• Cell Phones and Pacemakers: Can a cell phone placed near a pacemaker patient’s heart change the patient’s heart rate?
• Cell Phones: How does cell phone reception depend on the time of day or location?
• Cellular Automata: How do various rules affect a two-dimensional system of cellular automata?
• Chemistry: Do chlorine and copper in water both contribute to making blonde hair turn green?
• Chemistry: How does the evaporation rate of an alcohol depend on the number of carbon atoms in the alcohol molecule?
• Chemistry: How does water hardness affect the color of a hair dye or how long the color lasts?
• Chemistry: Which children’s multivitamin tablet will disintegrate or dissolve the most in 30 minutes?
• Chemistry: Which plants and vegetables make the best dye?
• Chickens: Are the eggs of caged or free-range chickens stronger?
• Chickens: How does the cholesterol content of chicken eggs depend on what the chickens eat?
• Cigarette Smoke: How does cigarette smoke affect human cell lines?
• Cleaning Agents: Which carpet cleaners work best?
• Computer Modeling: How do snow crystals grow?
• Computer Vision: How effective are computer-vision-based criminal surveillance systems?
• Concrete: Can recycled be used to strengthen concrete?
• Concrete: Does the addition of latex paint make concrete stronger?
• Concrete: How resistant is polymer concrete to abrasion?
• Concrete: What ingredients affect the strength of concrete?
• Corrosion: What factors affect corrosion in aluminum foil?
• Desalination: Is distillation or freezing/thawing more effective in removing salt from water?
• Diabetes: How does exercise affect blood sugar levels in diabetics?
• Diabetes: What effect does cinnamon have on blood glucose levels in diabetics?
• Diets: Does the Atkins high-protein diet really work?
• Do goldfish chemicals they sell you really help the fish adapt to the new aquarium?
• Do plants move?
• Do soap bubbles last longer on warm or cold days?
• Dogs and Stress Relief: Does a pet help relieve stress and anxiety for children at a cancer treatment center?
• Dogs: How well does a dog understand language?
• Drugs: Which pill dissolves the fastest?
• Dynamics: Does the height to which a golf ball bounces when dropped affect how far it will travel when struck?
• Dynamics: How does air pressure affect a soccer ball’s flight?
• Dynamics: How does propeller size affect boat speed?
• Dynamics: What’s the right amount of friction on a wheelchair ramp?
• Dynamics: Which baseball cleat is best?
• Earth Removal: What factors improve the efficiency of earth removal during an excavation?
• Earthquakes: Do earthquakes tend to occur at certain times of day?
• Electrochemistry: How do the levels of salt and vinegar affect the amount of gas produced by electrolysis of water?
• Energy: Can biomass be used to generate electricity by creating methane gas?
• Energy: Is it possible to make a clothes dryer more efficient by using an air-to-air heat exchanger?
• Exercise: Does body fat content or age affect heart rate response to exercise?
• Exercise: How does exercise affect heart rate recovery?
• Eyewitness Testimony: How reliable are eyewitness reports?
• Feet: Are magnetic insoles for shoes better than conventional insoles?
• Fermentation: How does the amount of sugar affect fermentation?
• Fertilizer and Citrus Leaves: How does biuret and urea fertilizer affect citrus leaf necrosis?
• Fertilizer: Can recycled newspaper be used to fertilize plants?

• Fertilizer: Does fertilizer in water lower dissolved oxygen levels?
• Fingerprint Patterns: Do family members have similar fingerprints?
• Fish: How does water temperature affect the color of fish?
• Flame Retardants: How do multiple washings affect the flame resistance of sleepwear?
• Flight: How does the angle of attack affect lift?
• Flight: How does the positioning of wing vortex generators affect the takeoff thrust of planes and jets?
• Food: Do students prefer meat or vegetables for lunch?
• Food: How does cooking temperature or cooking time affect the fat content of french fries?
• Forensic Science: Can hair be used to identify people?
• Forests: Do fires have a beneficial effect on a forest?
• Fruit Flies: Can fruit flies learn?
• Fruit Flies: Do blind fruit flies have a better sense of smell than their sighted counterparts?
• Fruit Flies: How does the natural hormone DHEA affect fruit fly longevity?
• Fruit Flies: What effect do magnetic fields have on fruit fly metamorphosis?
• Fruit Flies: What effect does alcohol have on fruit flies?
• Fruit: How does ethylene affect ripening fruit
• Fungi: On which foods does a fungus grow best?
• Garlic: Can garlic be used to preserve meat?
• Gene Mutations, HIV, and T-Cells: Do mutations in a certain gene affect the ability of the virus HIV-1 to kill T-cells?
• Genes and Cold Tolerance: Can genetic engineering increase the cold tolerance of citrus plants?
• Grass: What effect do different salts have on lawn and prairie grass growth?
• Grasshoppers: Are chemical pesticides or organic treatments more effective for controlling grasshoppers and locusts?
• Greenhouse Gases: How does the concentration of carbon dioxide affect plant growth?
• Hair: Does a person’s age affect the strength of his or her hair?
• Heat: How do the thermal transport properties of water and ethylene glycol compare?
• Heat: Which materials work best as thermal insulators?
• Herbicides: Does exposure to a common herbicide affect the regeneration of Planaria?
• Horses: Does the length of a horse’s leg determine how high it can jump?
• How can a tomato plant be grafted to a potato plant How is sound obtained from a compact disk?
• How do plants react to different kinds of music, different light, colors, and different neighbor plants?
• How do we tell how far away a star is from Earth?
• How does a nuclear reactor work, how does it look?
• How does burning gasoline make a car move?
• How is 2-yr old talk different from ours?
• Insects: What sorts of insects are present in a coniferous tree farm?
• Ionizing Radiation: How does ionizing radiation affect the germination and growth of plants?
• Ionizing Radiation: What effect does gamma-ray irradiation have on the germination of radish seeds?
• Lakes: How does water discharging from a dam affect lake water temperatures?
• Lava: What factors affect fragmentation or cracking in a model of cooling lava?
• Lead: Can soil beside a road be a health hazard if it contains lead?
• Lead: How much lead is present in imported candies?
• Lead: What hazards does lead paint pose in older homes?
• Lead: What is the lead content of drinking water at home and at school?
• Learning: Do students learn more from a “live” lecture or a video lecture?
• Learning: How does music influence learning and memory?
• Learning: Is there a relationship between eating breakfast and school performance?
• Light: Does reflector color determine reflector quality or efficiency?
• Light: How does artificial light affect the migration pattern of Daphnia?
• Light: How does temperature affect the output of a light stick?
• Light: How does water droplet size affect the brilliance of a rainbow?
• Liquids: How does the viscosity of motor oil change as it is used in an engine?
• Liquids: What factors affect the terminal velocity of a solid spheres dropping in a liquid?
• Lung Capacity and Music: Do sixth-grade wind musicians have more lung capacity than those who are not musicians?
• Lung Capacity: Do the lung capacities of girls and boys differ?
• Magnetism: How does temperature affect a magnet?
• Materials: Are some materials better than others for minimizing wear of shoe insoles?
• Materials: Does baseball bat composition affect the distance that a ball can be hit?
• Materials: Does the density and wood type affect the time it takes a flame to burn through to the other side?
• Materials: Does the density of wood affect how much weight different pieces of wood will hold in water?
• Materials: How does the tensile strength of a hair depend on its type?
• Materials: Which materials are most effective for blocking radio waves?
• Materials: Which scoopable cat litter has the most liquid absorbency?
• Memory: Do daily memory-oriented activities slow memory loss in older people?
• Memory: Do mnemonics actually help people remember things?
• Memory: Do students remember a sequence of letters and numbers better if they hear or see the sequence first?
• Memory: Is there a difference in short-term memory between boys and girls?
• Mosquito Control: Can a biodegradable, natural oil (neem oil) be effective against mosquitoes?
• Mosquito Control: How does buckeye poison affect mosquito development?
• Mosquitoes: How does acidity (pH) affect the rate at which mosquitoes hatch?
• Mosquitoes: How effective are herbal oils and DEET as mosquito repellents?
• Mushrooms: Can mushrooms be used to generate ethanol?
• Music: Do different genres of music each exhibit a unique mathematical pattern
• Noise: Could the sounds of drills and other machines in a dental office cause hearing damage?
• Noise: How can adding noise help reduce noise?
• Obesity: Based on body mass index (BMI), what percentage of middle school students is overweight?
• Oil Spills: Will the plants Brassica rapa or Elodea clean heating oil from water?
• Optimization: How can the shortest path algorithm be modified to include traffic conditions?
• Pain: How do cancer patients and pharmacy students compare in their attitudes to pain?
• Pesticides: How effective is washing and heating for removing pesticides on fruits and vegetables?
• Pesticides: How effectiveness is caffeine as a pesticide against South Florida snails, Bulimulus guadalupensis?
• Phthalates: How do phthalates affect the fertility rates of fruit flies?
• Plant Growth: Do different colors of light affect plant growth?
• Plant Growth: Do low-frequency sounds increase plant growth?
• Plant Growth: How do different sugars affect plant growth?
• Plant Growth: How does a magnetic field affect plant growth?
• Plant Growth: How does an increased level of carbon dioxide affect a plant’s growth rate?
• Plant Growth: How does electricity affect plant growth?
• Plant Growth: How does mint extract affect bean growth?
• Plant Growth: How does secondhand smoke affect plants?
• Plant Growth: How will Rhizobium bacteria affect the growth of soybeans when applied at different stages of the plant growth cycle?
• Plant Growth: What effect do different fertilizers have on plant growth?
• Plant Growth: What effect does recycled dryer lint have on soil and plant growth?
• Plastics: Where do plastic pellets found on a California beach come from?
• Pollution: How do road de-icers affect roadside vegetation and water quality?
• Pollution: How does the air temperature affect carbon monoxide emissions when a car is first started?
• Pollution: Is snow safe to eat?
• Popcorn: What is the best temperature at which to store packages of microwave popcorn to get the smallest number of unpopped kernels?
• Protein Aggregation: What effect do active metals in cosmetic products have on protein aggregation?
• Purification by Ozonation: How does ozonation affect vitamin C and bacterial colonies in unpasteurized apple cider?
• Reflexes: How does age affect the ability of drivers?
• Reflexes: How does reaction time in teenagers depend on the loudness of a sound?
• Reflexes: How does talking on a cell phone or listening to music affect reaction time?
• Robotics: Can a robot be programmed to learn and reproduce a path to a target?
• Rocks: Does age affect the hardness of sedimentary rock?
• Sailing: Does sail shape affect boat speed at various points of sailing?
• Salt: How does roadside salt affect the growth of white pine (Pinus strobus)?
• Salt: How does the concentration of salt in water affect seed germination?
• Sand: How wet should sand be to build a sandcastle?
• Seeds: How do different soils protect seeds from fire?
• Seeds: What effect do X rays have on seed germination?
• Seeds: What role does wind play in spreading seeds?
• Seeing or Hearing: Do you do better at a task if you see the instructions or if you hear the instructions?
• Sewage Treatment: How do common household chemicals affect the effectiveness of sewage treatment?
• Sewage Treatment: What effect do toxic and pharmaceutical compounds have on activated sludge microorganisms in sewage treatment?
• Skyglow and Star Visibility: How does the amount of light pollution depend on the distance from an urban center?
• Sleep and Grades: Does the amount of sleep that students get affect their grades?
• Snow: Can fences be used to create snowdrifts in desirable locations?
• Soil Quality: Could remote-sensing systems lead to more environmentally friendly farming?
• Soils: How does slope affect the erosion rate of different kinds of soil?
• Soils: How does the amount of precipitation, degree of slope, and type of vegetation affect the occurrence of mudslides?
• Soils: What effect does the type of soil have on water runoff and flooding?
• Solar Cells: How does temperature affect the efficiency of a solar cell?
• Solar Cells: How does temperature affects solar cell energy production and storage?
• Solar Cells: How does the angle of incidence of light affect the output of a solar cell?
• Solar Cells: How does the response to light of solar cells based on dyes compare with that of cells based on silicon?
• Sound: Does rosin affect the sound a violin produces?
• Sound: How does drywall thickness affect sound transmission?
• Sound: How does the material of a violin string affect how long it will stay in tune?
• Space Travel: What is the best fabric for use in designing a spacesuit to protect humans in the Martian environment?
• Spiders: What impact does exposure to environmental tobacco smoke have on orb weaving spiders?
• Statistics: How does block scheduling affect standardized test scores?
• Statistics: How does the size of a statistical sample affect its accuracy?
• Steel: Are there ways to insulate steel to keep it cool in extremely hot surroundings?
• Structures: How strong (and safe) is a playground jungle gym?
• Structures: What is the effect of shape on an unreinforced masonry building’s structural integrity in an earthquake?
• Structures: Which design of skyscraper best withstands wind?
• Sun Protection: Is the sun protection factor (SPF) of sunscreen or the amount applied more important in providing protection from the sun?
• Sunscreens: Does DEET alter the effectiveness of sunscreens?
• Sunspots: How does sunspot activity affect radio reception?
• Teeth: Are fluoride treatments effective in reducing tooth enamel erosion?
• Temperature: Can corn byproducts be used as an effective insulating material?
• Temperature: Can making ice more reflective slow its melting?
• Temperature: Which socks keep your feet the warmest?
• Tests: Does how difficult you expect a test to be affect how well you do?
• Trees: Do saltcedar trees grow better in the open or under the cottonwood canopy of the forest?
• Trees: Do stomata counts for coniferous trees differ as a direct result of pollution?
• Ultraviolet Light: Do different wavelengths of ultraviolet light affect DNA differently?
• Ultraviolet Light: Does folic acid enhance protection of Drosophila melanogaster (fruit fly)
• DNA from damage due to ultraviolet radiation exposure?
• Ultraviolet Light: How do various fabrics compare as barriers against ultraviolet radiation?
• Ultraviolet Light: How does ultraviolet radiation affect the division rate Zooxanthellae cells from Cnidarians (corals and jellyfish)?
• Vehicles: What factors affect the top speed of a radio-controlled car?
• Vision: Does the accuracy of vision testing results depend on previous familiarity with the test symbols being used?
• Vitamin C and Bacteria: What effect does vitamin C have on the bacterium Lactobacillus?
• Vitamin C: Does using vitamin C enhance the effectiveness of sunscreens?
• Vitamin C: How does light affect the vitamin C content of juice?
• Vitamin C: How does peel thickness affect the concentration of vitamin C in oranges?
• Vitamin C: How does the vitamin C content of various fruits and vegetables differ?
• Vitamin C: What effect do various cooking methods have on the vitamin C content of broccoli?
• Vitamin C: What effect does temperature have on the vitamin C content of orange juice?
• Vitamin C: Where is ascorbic acid (vitamin C) found in broccoli?
• Vitamin C: Which brand of orange juice contains the most vitamin C?
• Water Flow: Where is the current of a stream fastest?
• Water Pollution: Does pollution affect oxygen production in aquatic plants?
• Water Pollution: How can aquatic plants be used for treating nutrient-rich wastewater to enhance water quality?
• Water Pollution: How does acid mine drainage affect algal growth in lake water?
• Water Pollution: How does depth affect the concentration of pollutants in water?
• Water Pollution: Is forest soil or sand in runoff filters better for reducing the concentration of nitrogen in storm water runoff?
• Water Pollution: What are the effects of pollutants on oxygen production in Elodea?
• Water Pollution: What effect do natural materials have on the acidity of acid main drainage?
• Water Pollution: What effects does rainfall have on water quality indicators?
• Water Purification: Do water purifiers really work?
• Water Purification: What byproducts does water disinfection generate?
• Water Purification: What effect does chlorinated water have on activated carbon that acts as a filter to remove hazardous substances?
• Weather: How accurate are Web-based weather forecasting services?
• Weather: Is there a relationship between the phases of the moon and the weather?
• What effect does oil have on water plants?
• What is the best method, other than heat, to melt ice?
• What is the best way to dispose of paper?
• What material is the best insulator?
• What soils are best to build a house on?
• What would happen to the weather if the Earth was a cube?
• Wind Energy: Are wind generators a viable energy source?
• Wind Energy: Can wind power be stored compressed air?
• Wind Energy: Does a little bit of extra turbulence at the surface of an airfoil increase turbine efficiency?
• Wind Energy: Does increasing the number of blades on a windmill generate more electricity?
• Wind Energy: How does the blade design affect the output of a wind-driven generator?
• Wind Energy: Is a horizontal- or vertical-axis wind turbine more efficient at generating power?
• Wind Energy: What factors affect the generation of electricity by wind turbines?
• Wood: How well do different types of wood absorb water?
• Wood: Which wood is the hardest?
• Wound Healing: Can light-emitting diodes speed up the regeneration of planaria?
• Yeast: How do different disinfectants affect yeast growth?
• Yeast: How does the amount of carbon dioxide generated by yeast depend on temperature?
• Zebra Mussels: How does the water quality of a lake affect the strength of zebra mussel shells?
• Zebra Mussels: What effect does sedimentary deposition have on zebra mussels?

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