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Heat (Thermodynamics) Science Fair Project

Heat Absorption Experiment

Heat Absorption Experiment | Science Fair Projects | STEM Projects
Ever wondered why some surfaces absorb more heat than others? Let's find out! In this experiment, we'll compare the heat absorption of two surfaces - one black and one shiny - to see which one absorbs more heat.


The hypothesis is that dark surfaces absorb more heat than shiny surfaces.

Method & Materials

You will fill two jars with equal amounts of cold water, cover one with black paper and the other with shiny paper, place both jars at the same distance from a light source, and then measure the temperature of the water after an hour.
You will need two identical jars filled with equal amounts of cold water, one sheet of black paper, one sheet of shiny foil paper, and two thermometers.


The experiment showed that the water temperature in the jar covered with black paper increased, while the water temperature in the jar covered with shiny paper remained relatively the same. This proves that dark surfaces absorb more heat than shiny surfaces.

Why do this project?

This science project is interesting because it demonstrates a phenomenon that is seen in everyday life - why some houses have tin roofs or some painted black, and why outdoor athletes mainly wear bright colours while performing.

Also Consider

Experiment variations to consider include testing different colors of paper, testing different materials, and testing different light sources.

Full project details

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

Related video

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