Does the Colour of a Liquid Effect How Fast it Cools?

Essay specific features

 

Issue:

Science

 

Written by:

Bertha S

 

Date added:

August 25, 2014

 

Level:

University

 

Grade:

A

 

No of pages / words:

2 / 517

 

Was viewed:

8040 times

 

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Essay content:

I recorded our results and repeated the experiment to make the test fairer. Diagram: My diagram can be found in the plastic wallet this was handed in with. Equipment: ? 5 standard test tubes. ? 5 thermometers. ? Four colour dyes, black, blue, green and red. ? A stop watch. ? A kettle. Prediction: I think that the colour of the liquid will effect how quickly it cools down because I know that dark matt surfaces are better at absorbing radiation...
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Therefore, according to my theory, the darker dyes such as the black, blue and green will cool slower than the lighter ones. Results: These are my average results for both sets of recordings put into tables: Green Time Temp (°C) 0:00 50 0:30 49 1:00 48 1:30 47 2:00 47 2:30 46 Red: Time Temp (°C) 0:00 50 0:30 45 1:00 43 1:30 42 2:00 41 2:30 40 Blue Time Temp (°C) 0:00 50 0:30 47 1:00 44 1:30 42 2:00 41 2:30 40 Black Time Temp (°C) 0:00 50 0:30 47 1:00 44 1:30 42 2:00 41 2:30 39 Clear Time Temp (°C) 0:00 50 0:30 48 1:00 47 1:30 45 2:00 44 2:30 37 I then put these results into a graph which you can find in the plastic wallet this was handed in with...
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