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Bubble Experiment

8th grade science project
by

vanessa sicard

on 10 June 2013

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Transcript of Bubble Experiment

photo (cc) Malte Sörensen @ flickr Math & Science project Does air temperature affect how long soap bubbles last? Does relative humidity? Key Words: hypothesis, humidity, and temperature hypothesis- theory, assumption, belief, thesis, suggestion humidity-very damp weather, evaporation vaporization temperature- hotness/coldness of some degree, climate, condition Research description- All I did was pour the
same amount of bubble solution into two set of measuring cups
to two different temperatures(hot and cold water on separate containers and placed the measuring cups inside the containers) I shook the measuring cups to create bubbles, and saw if there was a difference in how long the soap bubbles lasted. My Hypothesis- Bubble lifespan isn't affected by temperature Variables Variables to keep the same- the same method to create
the bubble. Same amount of bubble solution in both of the
separate measuring cups . Shaking both measuring cups with a
spoon 5 times Variables to change(independent Variable)- temperatures hot
and cold water into the measuring cups. Two different bubble solution Procedure 1) Use thermometer to find locations that are different temperatures from each other

2) label hot/cold water jars

3)add same amount of bubble solution in both jars

4) record total time and total time to pop

5) repeat experiment 3 times Materials

-2 Measuring cups
-Thermometer
- 2 types of Bubble Solution
-2 containers with hot and cold water Data

I filled the bubble solution in the measuring cup up
to 1/4. Even though the bubble solutions are different
they have the same amount of bubble solution.

The temperature of the hot watered container for the first
experiment was 114.3 degrees Fahrenheit The temperature
for the cold watered container was 72.0 degrees Fahrenheit.

One of the bubble solution was scented smelled like oranges
The other bubble solution was for washing the dishes. Soap bubbles. Observations Neither of the bubbles lasted for even a minute even though I mixed both of the bubble solutions 5 times. The bubbles popped
instantly. The bubbles from the scented bubble solution lasted longer than the bubbles from the soap bubble solution. It lasted more seconds.
The second time I conducted my experiment there was a change. The soap bubbles had lasted longer. From my recordings the soap bubbles lasted 7 seconds. While the bubbles from the scented bubble solution lasted about 4 seconds and then it popped.
The third time conducting my experiment the results were the
same as the second time conducting my experiment. I changed the water because the water had set to room temperature. The temperature for the hot water was again 14.3 degrees Fahrenheit. And 72.0 for the cold water. Results The bubbles from either of the bubble solutions
didn't last even a minute. It lasted seconds.
I conducted my experiment 3 times and an extra time
with the watered room temperature. When I blew the bubbles at
the room temperature both( soap and scented) popped instantly.
I had to mix the bubble solution with a spoon just to make it the bubbles not pop instantly like the rest, to actually make it last extra seconds. When mixing the bubble solutions they looked rather soapy. To me, I thought the bubbles would last longer. But some more than others popped as soon as I tried to blow the bubble. Some just went straight to the ground. And some I was able to grasp and take a closer look at the bubbles formation. I poured the same amount of bubble solution in both of the measuring cups, to 1/4. Conclusions-
No air temperature doesn't affect how long soap
bubbles last. Bubble lifespan isn't affected by temperature.
My hypothesis was correct. If I were to complete this experiment again I would use
homemade bubble solution. To see if the bubbles didn't last because possibly the bubble solution was weak. I would improve
this experiment by doing the bubbles in the outdoors because I only experiment with the bubbles inside my house. HOPE YOU ALL ENJOYED!
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