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

How Does The Amount Of Carbon Dioxide Available Affect Photosynthesis?

Extracts from this document...


How Does The Amount Of Carbon Dioxide Available Affect Photosynthesis? Aim: In doing this experiment I aim to see how varying the amount of Carbon Dioxide available changes the rate of photosynthesis. Prediction: I predict that the higher the Carbon Dioxide levels the higher the rate of photosynthesis will be. This is because Carbon Dioxide is needed for photosynthesis; therefore if more CO2 is available more photosynthesis can take place. Diagram: Equipment: 1 beaker 1 funnel 1 lamp 1 stop clock 1 ruler 1 syringe Pondweed Bicarbonate of soda Method: First we collected the equipment. ...read more.


We are going to collect the oxygen produced, as oxygen is a by-product of photosynthesis. Therefore the more oxygen produced, the greater the rate of photosynthesis. Fair Test: To make this experiment fair we kept every variable the same each time, except for the one we were changing as part of the experiment, which is the amount of Carbon Dioxide used. We used all the equipment, the same amount of water. We kept the lamp the same distance from the beaker each time and made sure the water was always the same temperature. ...read more.


Evaluation: I think that the result we have for 3% is wrong as every other result around it is 21mm and it goes away from the pattern. This may have been from inaccurate measuring as we were measuring to a very small scale (mm) and 0.5 of a millimetre is a very small length. Apart from this I think that the rest of our results were accurate, this is because our method was thorough. A possibility for furthering this experiment, if there had have been sufficient time and resources, would have been to compare these results with the same factors on different pond plants. In doing this we could have discovered if different pond plants react differently to the same amounts of Carbon Dioxide. ...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. How temperature affects the rate of photosynthesis.

    At 25 oC a large amount of heat energy is provided by the increased temperature which provides a higher amount of kinetic energy (compared to the energy provided by 15 oC), which causes more vigorous vibrations within the reactant molecules and the increased velocity improves the chances of them colliding together.

  2. Factors That Affect Photosynthesis.

    Place the lamp directly in front of the plant so that it is 0 cm away from the beaker. 8.) With the light shining on the plant, record the number of bubbles emitted in a 1 minute duration. Switch off the lamp and wait for another minute before taking another reading.

  1. Investigate the factors, which affect photosynthesis.

    Starch test Apparatus required during the experiment * Boiling H2O in a beaker * Beaker * Ethanol (alcohol) * Test tube * Heatproof mat * Tripod * Iodine * Bunsen burner This starch test shows us that if the plant contained starch or not.

  2. Water and Marine Resources

    And when that closed. ..they increased their fishing in the Barents Sea, with predictable results. Now there is nowhere left to turn, except to the Pacific cod, which is a different species. They'll probably fish that out next.' The Barents Sea report, by the International Council for Exploration of the Sea (ICES), has provoked a political row.

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