Determine the number of flushes that are required to remove microorganisms from toilet water after an episode of diarrhea and the effects of different automatic toilet bowl cleaning products on microorganism removal.
[E]
Biomimetic Water Striders: Testing the Load-Bearing Capacity of Static Water Strider Models
[E]
Determine whether straw bales are a viable alternative building material by performing a water resistance test.
[E]
What is the Maximum Intermediate Height for a Siphon?
[E]
Determine whether the type of yarn used in a knitting project affected its shrinkage rate when washed and dried.
[E]
Indentify the key aspects of a showerhead design that transfers the maximum amount of heat to the body using the least amount of water.
[E]
Which brand of paper towel will absorb the most water?
[P]
Tensile strength and water vapor transmission of plastic food bags
[P]
How does the weight and hull shape of an object affect its sinking rate through water?
[P]
Build, demonstrate and research automatic irrigation systems
[E]
Build a water clock
[E]
[E]
The effect of a boat hull shape on speed through water
[P]
Determine which soil additive out of polymers, bark or styrofoam, when mixed with soil, would be the most stable when water is added and after a simulated earthquake.
[E]
Which wood would absorb the least amount of water?
[E]
The Effect of Various Levee Designs on the Ability to Withstand Water
[P]
Build your own water rocket
[E]
[E]
[E]
[E]
What effects water rocket stability while the rocket is flying - fins, weight, air pressure, and water-to-air ratio.
[E]
Water Conservation & Management Science Fair Projects & Experiments
Water Purification and Treatment Science Fair Projects & Experiments
Solar Water Purification & Distillation Science Fair Projects & Experiments
Bridges Science Fair Projects & Experiments