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General Chemistry Science Fair Project

Temperature and Solubility

Temperature and Solubility | Science Fair Projects | STEM Projects
We're going to find out how temperature affects the amount of substances that can be dissolved in water. We'll measure the amount of sugar, salt, and sodium bicarbonate that can be dissolved in water at different temperatures.


The hypothesis is that as the temperature of the water increases, the amount of substance dissolved in the water also increases.

Method & Materials

You will measure the temperature of the water, add different substances to the water, and measure the amount of substance dissolved in the water.
You will need 3 beakers, 300ml of water, some ice cubes, a measuring cylinder, a hot plate, a thermometer, 1kg of sugar, 100g of salt, 100g of sodium bicarbonate, a digital weighing scale, and a spatula.


The results show that as the temperature of the water increases, the amount of sugar, salt, and sodium bicarbonate dissolving in the solution is also higher. This proves that the hypothesis is true.

Why do this project?

This science project is interesting because it shows how temperature affects the solubility of different substances in water.

Also Consider

Consider repeating the experiment with other substances like calcium chloride, potassium permanganate, or iron sulfate. You could also repeat the experiment using different solvents like alcohol or benzene.

Full project details

You can find additional information and details for this science fair project here. Have fun exploring!

Related videos

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