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Burn Rate of a Candle

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Burn Rate of a Candle | Science Fair Projects | STEM Projects
In this experiment, we'll be testing the effect of room temperature on the burn-rate of a candle. We'll measure the length of the candle before and after it has burned for 30 minutes at three different temperatures.

Hypothesis

The hypothesis is that a candle in a colder room will burn more slowly.

Method & Materials

You will measure the length and diameter of 15 candles, light them in a room with air-conditioning, and measure the length of the candles after 30 minutes.
You will need 15 candles, a ruler, a caliper, a stopwatch, a match box or lighter, a room with air-conditioning, a heater, and a thermometer.

Results

The results of the experiment showed that the length of the candle burnt away in 30 minutes was almost the same at all 3 different room temperatures. This disproved the hypothesis that a candle in a colder room will burn more slowly.

Why do this project?

This science project is interesting because it tests a common assumption about candles and provides an opportunity to learn about the science of combustion.

Also Consider

Variations of this experiment could include comparing the burn rate of candles made from different materials like soy wax or animal fat, or comparing the weight of the candle instead of the length.

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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