Testable Questions for Controlled Experiments, Field Studies and Animal Behavior Studies, Secondary Research and Design Ideas All projects require research and adult supervision. Which materials are most effective insulating hot water the longest? How can you design containers that could compare how different materials lose over a period of time?
Do all materials that conduct electricity also have magnetic properties? How could you design a fair test?
Does fluoride toothpaste prevent calcium loss on chicken bones soaked in vinegar?
Blind touch test: which group of people can identify unseen objects by feeling?
How does rotation affect plant growth?
Which wild bird seed or feeder attracts the most birds?
Which technique makes the biggest crystals of rock candy?
Can the density of objects be changed?
Can the density of water be changed?
What are the densities of household objects? Does the density of a liquid relate to its viscosity? Is the amount of commercial advertising time more or less on different days of the week?
Does temperature affect how balls bounce? Which garbage bag is the strongest? Biggest? Best value? How could you test them fairly?
Which type of glue is the strongest? Which ramp allows the toy car to travel furthest? Measure velocity.
How does air pressure change the weather? Create a weather ball barometer and compare it to anroid barometer.
How strong does the wind blow? Build an anemometer.
What direction does the wind blow? Build a compass. How can we test the accuracy of different compasses?
ZOO FIELD STUDY: How can you compare the behavior of animals at different times of the day? How could you design an ethogram chart that can be used to record the time, location, and physical behaviors of the same species in a zoo or aquarium ?
Which material absorbs the most oil? Oil spill recovery study. Relate it to real world problems.
What species of animals are found regularly in your yard, park or school yard?
How could you test the claims of an advertised product? Consumer science.
Which soap formula makes the biggest longest lasting bubble?
How does temperature celery affect its rate of colored water uptake?
How could you test the salinity of a solute without tasting it? How could you design a hydrometer?
Does Elodea algae produce more oxygen bubbles when exposed to filtered light?
Which paper plane plane can fly the furthest?
Design and compare aluminum foil boats that float. Which can hold the most pennies?
Which balsa wood structure can hold the most weight? How does the structure help building withstand against natural disasters? How could you compare the densities of different shampoos?
Which string telephone materials conduct the most sound?
Which vegetable bases natural dye retains its color after washing the longest?
Do cars travel faster on side streets or main avenues? How could you measure the speed of a car traveling down the street from the safety of the sidewalk?
Compare pulley systems. Which give the most mechanical advantage? How accurate are the parking meters in your neighborhood? Does algae/ duckweed row faster in pure or used laundry water? What’s in soap?
Which laundry detergent removes stains the best on different fabrics?
What kind of salt is most effective at melting ice?
Which nail polish lasts the longest? Design a fair test to test chip resistance of different polishes.
Is the pH of snow in different neighborhoods the same? How many different pigments are found in lipstick? Paper chromatography.
How can we design a wind tunnel to test for aerodynamics?
What is the most effective design for a windmill? How can it create a current?
Which soil pH do wheat seeds grow the fastest? Acid, base or neutral
Which ramp allows the toy car to travel furthest?
What methods of construction would keep an egg from breaking if dropped?
Which concrete brick resists ice damage the best? Concrete mixed with sand or rocks?
Which heated liquid retains heat for the longest time?
What is the percentage of water in plants? How do we dehydrate them?
Does the density of materials make them stronger? Are more soap bubbles produced in hard or soft water? Does the type of water affect plants? Temperature? pH? Salinity? How do clam shells help neutralize the effect of acid rain on kidney bean plants? How can you make a calorimeter to compare the amount of calories in food? Which type of plant is most tolerant to salt water? How can we change and compare the amount of heat that is caused by the friction of two objects? How does ethylene gas affect ripening fruit? Can a homemade solar collector make water hot? What kind of soil retains water the best? How do plants change the chemistry of the soil? Can spring onions tolerate salty water? Does Kool-Aid change the freezing point of water? Freezing point depression. How does fresh water and salt water affect the buoyancy of objects? How can we use paper chromatography to identify different pens? Can potatoes be grown without soil? What is the quality of our local seawater? Ammonia, nitrites, nitrates, pH What snack foods are the most nutritious and least expensive?
Survey the daily physical activity levels of different age groups.
What brand of popcorn pops the most?
How does the length of a pendulum string affect how quickly it swings?
Is there a relationship between the moon and high and low tides? What type of wildflower grows best under artificial light?
Which box insulates the sound of an alarm clock the most effectively?
Which type of string makes the paper cup phones sound the loudest?
How can I make and calibrate a water barometer ?
How could we create a hygrometer to test relative humidity with a human hair?
How can I identify different hair types with a microscope?