Does wind speed affect how fast an object cools?

If I place a hot object in front of a fan at 4 meters per second speed, then it will cool faster than with 3 meters per second and 2 meters per second speeds.

• cup of boiling water

• cup of room temperature water

• thermometer

• anemometer

• fan

1. I measure the wind speed of the fan

2. I get a cup of boiling water and a cup of room temperature

water

3. I put the thermometer in both cups of water

4. I put the fan next to the water cups for 5 minutes

5. I put the thermometer in the cups of water again

6. And I see if the water changed the temperature of the watercups and which one had the biggest difference between temperatures

Independent Variable- The speed of the fan

Dependent Variable- The object cools

Constants- The fan, the anount of liquid

Control (if applicable)-No fan

My hypothesis was correct. My hypothesis was if I place a hot object in front of a fan at 4 meters per second, then it will cool faster than when the fan is on 3 meters and 2 meters per second. I was right because the boiling water cooled more with the fan on 4 meters per second than the fan on 3 or 2 meters per second.

In this experiment I will be testing if wind speed makes a hot object cool faster. The fastest speed the fan can go is four meters per second. The medium speed is three meters per second. The slowest speed is two meters per second.

The starting temperature is boiling temperature which is 212 F. I put the fan on the boiling cup of water for 3 minutes each time. For the first test of the fastest speed, the cup of water at the end turned out to be 157.1 degrees F. On the second test, the temperature turned out to be 154.8 degrees F. On the third and final test, the temperature turned out to be 158.0 degrees F.

On the medium speed I also did three tests. On the first test the temperature turned out to be 160.0 degrees F. On the second test the temperature turned out to be 161.4. On the third test the temperature turned out to be 159.6 degrees F.

On the slowest speed test I did three tests. On the first test the temperature turned out to be 162.3 degrees F. On the second test the temperature turned out to be 160.9. On the third test the temperature turned out to be 160.7 degrees F.

I started off my project in hopes of helping hot objects that need to be cooled down. In hopes of helping objects that are too hot to touch. In hopes of helping people to burn themselves less, to make objects that are hot, cool so people can touch them without burning themselves.

List the different sources used while conducting the experiment.

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