URGENT paraphrase this

timer Asked: Nov 22nd, 2015

Question description

By the end of the experiment the result of the three trials was relatively close. But the hot water alone had the highest temperature. This trial however had faster cooling rate(along with the third trial) than the second trail which had water added to it after 2 minutes. If I was to add cream to my coffee, I would add it early or before I go somewhere so I can have the warmest possible coffee. I can conclude this because according to the three trials, cold water added at 2 min had higher temperature than the one added at 12 min after 15 minutes of measuring. As seen in the data, when cold water was added after two minutes, the temperature greatly decreased but afterwards the rate of cooling was slow. On the contrary when water was added after 12 min, the temperature was already low and continued to decrease ending up with the lowest temperature from the three trials.

I chose time to be the independent variable. I did this because had control over time through out the experiment. I could change time and measure the temperature based on that time I chose. This makes temperature the dependable variable. The value I get from measuring the temperature is something I can't manipulate. The value I obtain depends on what time I measured it.

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