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Investigating the rate of cooling water in a beaker.

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  • Essay length: 2386 words
  • Submitted: 16/10/2003
  • Marked by teacher: (?) Cornelia Bruce
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Teacher essay summary


This is three star laboratory report. It gives a good overview of the background science associated with the cooling of water (however this is not appropriately referenced). The main features of the work are described with some practical detail. All the raw data and is recorded however is limited by the experiment only being repeated twice and the inconsistent use of decimal places throughout the report. The data is generally of a good quality and mathematical comparisons were used to support the conclusion (gradient). To improve this report the data needs to be more reliable adding and additional experiment and calculating averages from the three trials. Weaknesses in the data need to be identified and a detailed explanation of what further data would help to make the conclusion more secure. A specific conclusion needs to be stated and related to the

Marked by teacher Cornelia Bruce 17/03/2013

The first 200 words of this essay...

INVESTIGATING THE RATE OF COOLING OF WATER IN A BEAKER

I am going to investigate the rate of cooling water in a beaker.

My aim is to find out how the rate of cooling water is effected/changes when put in a beaker. By performing this investigation I am hoping to achieve further knowledge/understanding on the concept of cooling.

There are various things to take into consideration when performing this investigation, such as the effect of temperature, time and quantity/volume of water that is used.

To make the task easier, I have designated all the variables into three different groups:

1. Independent variable (the things I will change each time I perform the experiment).

2. Dependent variable (the things I will measure).

3. Constants (the things I will keep the same).

I have decided that when carrying out the investigation I will not have any independent variables. There will be only 1 dependent variable, which would be the temperature of the water, after every 1 minute. And as I am going to carry out the same experiment twice, I have a lot of constants, which are:

1. The temperature

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MbT essay summary

This is three star laboratory report. It gives a good overview of the background science associated with the cooling of water (however this is not appropriately referenced). The main features of the work are described with some practical detail. All the raw data and is recorded however is limited by the experiment only being repeated twice and the inconsistent use of decimal places throughout the report. The data is generally of a good quality and mathematical comparisons were used to support the conclusion (gradient). To improve this report the data needs to be more reliable adding and additional experiment and calculating averages from the three trials. Weaknesses in the data need to be identified and a detailed explanation of what further data would help to make the conclusion more secure. A specific conclusion needs to be stated and related to the

Marked by teacher Cornelia Bruce 17/03/2013

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