• Join over 1.2 million students every month
  • Accelerate your learning by 29%
  • Unlimited access from just £6.99 per month

Investigating the question: "why do puddles disappear so quickly".

Extracts from this document...


Chemistry Investigation I will be investigating the question: "why do puddles disappear so quickly" I'm going to vary the size of a puddle to see if puddles disappear quicker with a larger surface area. The apparatus that I will require are: * Safety Goggles * Boiled water straight from a kettle (100�c) * A Water Measurer * A Stop Watch * A Petri Dish * A Beaker * A Boiling tube I will keep all of the factors of the investigation the same, to make it a fair test, this includes: * The same amount of water in each container * The same amount of time the containers are left for * The same water temperature * The same room temperature I will first put on the safety goggles, as the investigation requires the handling of boiling water. ...read more.


With a large surface area, this would be quicker as the particles can easily escape, with a small surface area the particles are closer together, which means they would take longer to change state from liquid into gas. As quoted by Encarta Encyclopedia: At temperatures below the boiling point, individual particles approaching the surface with above-average speed may have enough energy to escape from the surface and pass into the space above as gas particles. After carrying out the practical experiment, I recorded the results and worked out an average, both of which are displayed in the following tables: PETRI DISH 1st try 26ml left 2nd try 27ml left 3rd try 27ml left Average 26ml BEAKER 1st try 28ml left 2nd try 28ml left 3rd try 29ml left Average 28ml BOILING TUBE 1st try 29ml left 2nd try 30ml left 3rd try 30ml left Average 30ml By looking at the tables above, I can tell that the ...read more.


In the boiling tube, although the water particles are vibrating fast due to the boiling water, they are so tightly packed due to the shape of the tube and its surface area, they are being released at a slower rate than the water particles in the petri dish that has a larger surface area, so the particles can easily escape. This also supports my prediction that the larger the surface area, the quicker the liquid will change into gas. I think that because the results for each container were always 1ml difference if not the same, they prove that I have carried out the experiment accurately and that they are very reliable. To improve the experiment further more I could: leave the water for a longer period of time, keep the temperature of the water always the same (using a Bunsen Burner) and use larger or smaller amounts of water. I could even carry out the experiment with different room temperatures, to see if the process would take place at a different rate. ...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
  • Over 160,000 pieces
    of student written work
  • Annotated by
    experienced teachers
  • Ideas and feedback to
    improve your own work