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  • 1. Design: Variables: Independent Dependent Controlled Time 30 seconds intervals Temperature of wáter. Volume of water. for taking temperatura. Intensity of flame. Diagram:
  • 2. Data Collecting and processing: Time Temperature(Cº) (s) 0 16 30 18 60 24 90 29 120 34 150 41 180 45 210 51 240 56 270 61 300 65 330 70 360 74 390 78 420 82 450 86 480 87 510 87 540 87 570 87 600 87
  • 3. Conclusion and evaluation:
  • 4. Concluding: Based on the data collected, it’s seen that the temperature of water increases almost at the same rate, but when it boils (87ºc) the temperature stops rising. Evaluation Limitations Effects Improvements The beaker had an The volume of water wasn’t Use a measuring cylinder approximate measure. exactly 150ml. with accurate measures. There was too much water. The experiment took Use 50ml instead of 150ml. unnecessary time. Do the experiment various times with different amount of water. Questions: 1. Why didn’t we reach the boiling point of 100 degrees Celsius? -One of the reasons our boiling point was below a 100c is because of our elevation. Also because it was pure water (different types of water have different boiling points). 2. Why did the temperature stop increasing if we kept heating up the water? -Because when a substance boils the molecules are moving the fastest as they can even if the water is being heated, as the molecules cant move faster, the temperature does not increase.
  • 5. The English School Lab report 1 Analysis of temperature increase in sample of water Elisa Mazuera 9-1 Fabiola Garzon
  • 6. 23 of October 2009