• Join over 1.2 million students every month
  • Accelerate your learning by 29%
  • Unlimited access from just £6.99 per month
Page
  1. 1
    1
  2. 2
    2
  3. 3
    3
  4. 4
    4
  5. 5
    5
  6. 6
    6
  7. 7
    7
  8. 8
    8
  9. 9
    9
  10. 10
    10
  11. 11
    11

This investigation is about what factors affect the speed of boiling water-cooling to room temperature.

Extracts from this document...

Introduction

This investigation is about what factors affect the speed of boiling water-cooling to room temperature. Factors which may affect how quickly hot water cools down are- * Material container is made from * The volume of hot water * Using a lid * Starting temperature of water. Aim of investigation The aim of this investigation is to find out how the type of container affects the way hot water cools down to room temperature. I am going to be using 4 types of container- copper, plastic, glass, and polystyrene. Prediction and Scientific Theory I predict that the polystyrene cup will keep the most heat because it is the best insulator. Polystyrene is a good insulator because it contains particles of air making it a bad conductor of heat. I predict that the copper cup will keep the least heat because it is a good conductor of heat. Fair Test To make the experiment a fair test I will- * Use the same amount of water. * Make sure the starting temperature is the same. ...read more.

Middle

Evaluation I think my investigation was successful; it produced clear results in keeping with my prediction and scientific theory. There were no surprising results. Although it was hard to get the starting temperature the same it was eventually achieved. Making my results clearer and easier to draw conclusions from. The investigation was successful but I still feel it could have been improved to make my results more accurate. The measuring of the water was done quickly using a glass beaker to prevent the water cooling before I started my experiment the experiment would have been more accurate if I had measured the water using a measuring cylinder. Other factors that could be investigated are: * Surface area. * Insulation. * Stirring. * The use of a lid. Aim of Investigation The aim of this investigation is to find out how the Surface area of the opening of the container affects the way hot water cools down to room temperature. I am going to use two glass beakers one with the capacity to hold 200mls of water, with a diameter of 7.5 cm and a surface area of 44.179 cm. ...read more.

Conclusion

These results show us that the water-cooled fastest in the beaker with the larger capacity, diameter and surface area. This is because a lot more hot air was able to escape. The beaker with the smaller capacity, diameter and surface area retained the more heat because less hot air was able to escape. Evaluation I think this investigation was quite successful although not as successful as the first experiment. The results this experiment produced were less clear because the starting temperatures were very different. It was still possible draw conclusions from the results and these results were in keeping with my prediction and scientific theory. This investigation was successful but as I did with the first experiment I think improvements could have been made to make my results clearer and more accurate. As in the first experiment the measuring of the water was done quickly using a glass beaker to prevent the water-cooling before I started my experiment. The experiment would have been more accurate if I had measured the water using a measuring cylinder. I was unable to get the starting temperatures of the water the same. If I had been successful the results would be clearer and easier to draw conclusions from. ...read more.

The above preview is unformatted text

This student written piece of work is one of many that can be found in our GCSE Green Plants as Organisms section.

Found what you're looking for?

  • Start learning 29% faster today
  • 150,000+ documents available
  • Just £6.99 a month

Not the one? Search for your essay title...
  • Join over 1.2 million students every month
  • Accelerate your learning by 29%
  • Unlimited access from just £6.99 per month

See related essaysSee related essays

Related GCSE Green Plants as Organisms essays

  1. Marked by a teacher

    An investigation into the abundance of fresh water black fly larvae, Simuliidae, between pools ...

    4 star(s)

    14 4 2.5 0.08 14.3 0.340 15 6 2.4 0.07 14.6 0.313 16 6 2.7 0.09 14.4 0.438 17 4 2.4 0.07 15.0 0.356 18 18 1.9 0.10 15.0 0.326 19 9 2.4 0.11 15.0 0.532 20 1 1.8 0.13 15.2 0.356 Results for Pools Site Number Number of black fly larvae, Simuliidae, in pools.

  2. Photosynthesis Investigation

    The site of photosynthesis is in the cells inside the leaf. The diagram below show a view of the sort of cell that caries out photosynthesis in the leaf. The living parts of the cell, the cytoplasm and nucleus, are surrounded by a non-living cell wall of cellulose: the cell wall keeps the cell in shape.

  1. Investigating the abiotic factors that affect the size of Ivy leaves in shaded and ...

    The nitrate level was low in both regions and the phosphorous level was medium (200) in the unshaded region and low (5) in the shaded region. It could be possible that at the time of the investigation, due to a larger amount of plants growing in the unshaded area region (due to more light availability)

  2. Broad Bean Investigation.

    For the room temperature this is what I am recording so if there is a range of temperatures this will show me in the results which temperature is ideal for the growth of the bean. Also to avoid the fans I will make sure the beaker is out of the reach of the fan 8.

  1. Yeast Investigation

    The surroundings of this experiment may also be a variable on the yeast. The light that we put it in may be a variable that could affect the respiration of yeast. The light affects animal cells and especially plant cells so light could also affect the rate that yeast respires.

  2. An investigation to investigate the effect of the diameter on the cooling rate of ...

    This process can also be called the Wave Motion. Prediction As I decided to change the diameter of 5 beakers (with same amount of water in), I predict that if the diameter decreases the time taken for the hot water to cool will increase.

  1. Factors Affecting Cooling

    Fair Tests/Variables To keep it a fair test I am going to just change one variable as I mentioned before. That variable will be the size of the beakers. This will keep the test as fair as possible. I will keep everything else the same such as amount of water, same thermometer, and same stopwatch etc.

  2. INVESTIGATING HOW TEMPERATURE AFFECTS THE

    Because the beetroot has been cut part of the cell membranes will be broken and therefore the excess dyewill leak out. By leaving them overnight it will ensure that the results are reliable.

  • Over 160,000 pieces
    of student written work
  • Annotated by
    experienced teachers
  • Ideas and feedback to
    improve your own work