Salt & Sugar
Science Fair Projects
Ideas and Sample Projects by Grade Level


Home Quiz Experiments Warning!
Primary School - Grades K-3
P=Project   E=Experiment
Use the difference in solubility of salt and pepper to separate the components of a mixture. [E]
Will salt make ice melt faster? [E]
Interdisciplinary Topic: Salt & Sugar
Elementary School - Grades 4-6
P=Project   E=Experiment
Salt or Sugar: Which Dissolves Faster in Different Liquids [E]
Show the dependence of Current vs. the Concentration of sodium chloride in the salty water. [P]
How much salt does it take to make an object float? [P]
Which water evaporates faster: salt water, rain water, lake water or tap water? [P]
The effect of salt on the boiling temperature of water [P]
Find out how different concentrations of a water / salt solution affects the speed of the Hot Wheels™ Formula Fuelers racer. [P]
Discover if sugar crystals grow bigger in a certain type of liquid (water, unsweetened apple juice or 7-Up). [P]
Interdisciplinary Topic: Salt & Sugar
Middle School - Grades 7-9
P=Project   E=Experiment
Using Lasers to Measure the Sugar Content of Liquids through Refraction [E]
The Effect of Biodegradable Dye on the Evaporation Rates of Salt Water [E]
How does saltwater mix in an estuary [P]
Does the Rate of Heating Water Have an Affinity for Salinity? [E]
How Salt Affects Electrical Conductivity [E]
The effect of dissolved salt and sugar on the melting rate of ice [P]
What is the relationship between the amount of reducing sugars and the absorbance at 730 nm after Fehling's reaction? [P]
Investigate Flow Dynamics of the Salt Oscillator [E]
The effect of salt on the boiling temperature of water [E]
Will salt make ice melt faster? [E]
How Four Salts Affect Electrical Conductivity [E]
The effect of dissolved salt and sugar on the melting rate of ice [P]
How Does Sunlight Affect the Chemistry of Water in a Saltwater Reef Aquarium? [E]
The effect of temperature on the water solubility of alum, baking soda, Epsom salt, and salt [P]
Does adding salt to water lower its freezing point? [E] [E]
Find out if adding salt, oil, detergent, and heating water could influence ordinary tap water's surface tension. [E]
See if the speed at which a salt melts ice is related to the salt's molecular structure. [E]
A Comparison of Heat Retention in Salt Water and Fresh Water Samples [E]
Flow Synchronization in Two Coupled Salt Oscillators [E]
How does sugar density affect the index of refraction of water? [E]
The effect of dissolved salt and sugar on the melting rate of ice [P]
Does adding sugar to water lower its freezing point? [E]
How does sugar density affect the index of refraction of water? [E]
Interdisciplinary Topic: Salt & Sugar
High School - Grades 10-12
P=Project   E=Experiment
Measure the change in pH of two salt solutions, connected by a salt bridge, as a current is passed through them. [E]
The difference between saltwater and freshwater organisms. [E]
Does the amount of ammonia affect forming salt crystals? [E]
Effects of nozzle size, polymer additives from varying liquids, and salt concentrations on the stability of antibubbles [E]
Interdisciplinary Topic: Salt & Sugar
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