Unit 2- Practical Scientific Procedures and Techniques
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PEARSON (PEARSON)
Book
BTEC Level 3 National Applied Science, Student Book
This is Btec Applied Science Unit 2 Assignment B ( Calorimetry) which was awarded a distinction and contains all the practical results. This is an example of a Distinction level assignment, and you may use it as a guide to help you achieve a distinction and finish this assignment.
unit 2 practical scientific procedures and techniques
b undertake calorimetry to study cooling curves
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Applied Science 2016 NQF
Unit 2- Practical Scientific Procedures and Techniques
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Unit 2: Practical Scientific Procedures and Techniques
Learning Aim B: Undertake calorimetry to study cooling curves.
Thermometers:
Thermometers are devices used to measure temperature. There are different types of
thermometers such as liquid filled consisting of alcohol in glass and mercury in glass, electronic
thermometer consisting of resistance, thermocouple, rotary and infra-red. These different
types of thermometers are used to measure the temperature of various things such as body
temperature, fridge-freezers, furnaces, ovens etc.
Calibration of thermometer:
A thermometer is calibrated to ensure that the thermometer is recording the correct
temperature. Calibrating the thermometer will also show if there are any errors in the
thermometer that may affect the reading of temperature.
The method of calibrating a thermometer is by placing the thermometer in ice(0 C°) and
boiling water (100 C°). This way you can check both freezing point and boiling point of the
thermometer. Fill your beaker up with ice or boiling water and then place the thermometer
inside it. Wait for 30 seconds and record the temperature. Repeat these steps three times and
take the mean value of the results.
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