Water Physics
Science Fair Projects
Ideas and Sample Projects by Grade Level

Home Experiments Einstein Quiz Warning!
Primary School - Grades K-3
P=Project   E=Experiment
Do Objects Float Better in Salt Water Than in Fresh Water? [E]
Will salt water freeze? [E]
Make your own icebergs and learn about the buoyancy of ice. [E]
Which will become ice faster, hot or cold water? [E]
Figure out how to fill a bottle from another bottle using pressure [P]
Antibubbles - skins of air which float around underwater, and vanish when touched [E]
Liquids & Fluids (Physics) Science Fair Projects & Experiments
Liquids & Fluids (Chemistry) Science Fair Projects & Experiments
Elementary School - Grades 4-6
P=Project   E=Experiment
Investigate whether salt water allows heavier objects to float than tap water and whether liquid density plays any role. [E]
Determine if the higher a water source, the higher the water pressure. [E]
The effect of slope angle on the amount of material eroded by water [P]
How much salt does it take to make an object float? [P]
Liquids & Fluids (Physics) Science Fair Projects & Experiments
Liquids & Fluids (Chemistry) Science Fair Projects & Experiments
Middle School - Grades 7-9
P=Project   E=Experiment
Use a Calorimeter to Measure the Heat Capacity of Water [E]
Determine whether the surface tension of a liquid will increase due to cold or hot water. [E] [E]
Investigate supercooling of water: Does prior heating of water make it easier to supercool water without freezing? [E]
Measuring the Surface Tension of Water [E]
How Salty Does the Sea Have to Be for an Egg to Float? [E]
Determine whether depth affects the ability to see color underwater. [E]
The Effect of Ocean Acidification on the Acoustic Properties of Water [E]
Measuring Surface Tension of Water with a Penny [E]
How does sugar density affect the index of refraction of water? [E]
Investigate the supercooled state of water and other liquids; how it varies with different amounts and types of liquids, and its uses in our daily lives. [P]
Does the temperature of water affect the time it takes for the water to freeze? [E]
The amount of heat absorbed by water at different distances from a space heater [P]
See how the hydraulic conductivity of water and crude oil is different. [E]
Test the effect of gas bubbles on the density of water. [E]
Determine if the boiling point of water changes at different elevations due to atmospheric pressure. [E]
The Effect of Salinity on the Height of a Floating Object Above the Water [E]
The Effect of Water Temperature on the Buoyancy of a Floating Object [E]
Demonstrate Archimedes' principle [E]
Liquids & Fluids (Physics) Science Fair Projects & Experiments
Liquids & Fluids (Chemistry) Science Fair Projects & Experiments
High School - Grades 10-12
P=Project   E=Experiment
See if sugar concentrations in water can be determined using the index of refraction of the solution. [E]
Can Hot Water Freeze Faster than Cold Water? [E]
Demonstrate Newton's third law of motion by using Bottle Rockets [E]
Liquids & Fluids (Physics) Science Fair Projects & Experiments
Liquids & Fluids (Chemistry) Science Fair Projects & Experiments
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Topics, Ideas, Sample Projects

Physics Discoveries and Inventions
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John Baird: Mechanical Television
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Leonardo da Vinci: Parachute
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Galileo Galilei: Falling Bodies
The Discovery of the Spectrum of Light
James Joule: Heat Mechanical Equivalent
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What Did Isaac Newton Invent?
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Last updated: January 2017
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