light intensity photosynthesis experiment
Light energy absorbed by chlorophyll is converted to ATP and H+; At very low light levels the plant will be respiring only not photosynthesising. As the light intensity increases, the rate of photosynthesis increases. However, the rate will not increase beyond a certain level of light intensity.
Light Intensity and the Rate of Photosynthesis. The closer (from 50cm to 10cm) the lamp was placed to the test tube, the more bubbles formed over 60 seconds (from 110 to 201 bubbles). Since the oxygen bubbles are a product of photosynthesis, one can conclude that the more bubbles formed, the more photosynthesis occurred, thus increasing the rate of photosynthesis.
So a greater light intensity gives a greater rate of photosynthesis. Evaluation. Your measurements are accurate if they are close to their true value. Your measurements are precise if they are similar when completed again. Your experiment is repeatable if you get precise measurements when it is repeated.
Practical Biology. In this experiment the rate of photosynthesis is measured by counting the number of bubbles rising from the cut end of a piece of Elodea or Cabomba. The work could be carried out individually or in groups of up to 3 students (counter, timekeeper and scribe).
Photosynthesis Experiment: Hill Reaction Essay Sample Aim of the Experiment: To analyse the effects of light intensity on photosynthesis via the Hill reaction. Research Question: How does light intensity affect the rate of photosynthesis more precisely the rate of reaction in photosystem II, at the primary acceptor location?
The students will learn that: 1) the variables of light intensity, temperature, carbon dioxide, light quality all influence the rate of photosynthesis. 2) photosynthesis requires carbon dioxide to furnish the carbon required to make glucose. 4) food production for animals and humans on earth is dependent on plants.
An Experiment to Show the Relation Between Light Intensity and Photosynthesis. Photosynthesis is the plants way of creating energy for itself (sugar), for growth, repair, storage and energy production. The test will be to find out the relationship between light intensity (voltage) and the rate of photosynthesis.
Conclusion. This is because light effects the rate of photosynthesis. Therefore, the more light, the faster the pondweed will photosynthesis. The change in carbon dioxide (due to pondweed photosynthesising) dissolved in the water effects the acidity of the water: the more carbon dioxide dissolved the more acidic the water will be.
Nov 07, 2013 · Leaving Cert Biology Photosynthesis Experiment. THIS MAN DIED DURING SURGERY, MET GOD & ASKED HIM, “WHAT’S THE MEANING OF LIFE?”
Author: T Eacher