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Effects of Light Intensity on the Rate of Photosynthesis

I am happy with the experiment as I proved that light intensity has an effect on the rate of photosynthesis.

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Effects of light intensity on photosynthesis essay

See diagrams c
& d below…

Diagram c Diagram d

Results obtained from experiment : "Investigating if light intensity
effects the rate of photosynthesis in an aquatic plant."

As mentioned previously, the results I have obtained from the
experiment will be of measured in 5 intervals, ranging from 0cm
-100cm, 1 repeat reading taken as well as an original reading & an
average of the 2 results calculated.

 Graph: Shows the effect of light intensity on the process of photosynthesis in an aquatic plant.

recording of the time.
increase the values of light intensity tested on the plant
Measurement is not too accurate.
Experiment Complete!
How does light intensity affect the Rate of Photosynthesis?
Michael Kwon, Reona Ido
Biology 11
Mr.

Effect of light intensity on photosynthesis ..

The diagram below shows how apparatus can be set up to investigate the effect of changing light intensity on the rate of photosynthesis.



My reasons for believing my results are reliable & accurate are
firstly, they agree with the theory behind the rate of photosynthesis
when light intensity is increased, secondly the result which I gained
compared accurately to my prediction, which was well thought out
before it was made, and finally the results I gained for my final
experiment differed so much to the results of my preliminary procedure
which was very inaccurate.

A research question might be: "what is the effect of light intensity on the photosynthesis rate of tomato plants?" and not "what is the effect of light intensity on tomato plants?" which is not focused enough and it is not clear what exactly is your experiment about since "effect on tomato plants" could mean different things like taste, color, development or photosynthesis rate as in our case.


The hypothesis gives a supposed (hypothetical) answer to the research question.

Photosynthesis Science Fair Projects and Experiments

Lab 5. Photosynthesis: Why Do Temperature and Light Intensity Affect the Rate of Photosynthesis in Plants? Introduction You have learned that green plants.
meters2 hour-' under varying conditions of light intensity, systems are currently under investigation. Ac- the same light intensity. Increased photosynthesis.
Light intensity directly affects the light-dependent reaction in photosynthesis be checked at intervals to ensure that it is constant throughout the experiment; the .
Designing an experiment to test the rate of photosynthesis. the variables of light intensity, The main focus of the investigation depends.
The rate of photosynthesis of a photosynthetic plant is affected by factors such as light quality, light intensity, carbon dioxide concentration and temperature.
Extracts from this document. Introduction. GCSE SCIENCE INVESTIGATION: PHOTOSYNTHESIS LIGHT INTENSITY Aim: The aim of this experiment is to investigate.

AP Biology 2015 Inquiry Labs Review. Investigation #3 There are several properties/variables that affect the rate of photosynthesis including light intensity.
The Hill Reaction - Photosynthesis Investigation Effect of Light Intensity on the Rate of Photosynthesis - The International Academy.
Light intensity and the rate of photosynthesis. Students’ Sheet. Introduction. The aim is to construct an experimental set up that allows a quantitative analysis.
Practical 7.5 Design an investigation of the need for light in At low to moderate level of light intensity, the rate of photosynthesis increases proportionally.
An Investigation On The Effects Of Light Intensity On Photosynthesis This Term Papers An Investigation On The Effects Of Light Intensity On Photosynthesis and other.
Investigation: Photosynthesis. July 27, 2016 AP Biology, Cell Biology, Worksheets such as: light intensity, color of light, temperature, size of disks.

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  • LabBench Activity Dissolved Oxygen and Aquatic Primary Productivity

    Category: Papers; Title: An Experiment to Investigate the Effect of Light Intensity on the Rate of Photosynthesis

  • Cellular Respiration and Photosynthesis

    Using algae and bicarbonate indicator to investigate the effect of light intensity on photosynthesis

  • Fitting photosynthetic carbon dioxide response curves …

    A scientist wants to investigate the effect of light intensity on the rate of photosynthesis in a plant species

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Literature library - Potassium Nitrate Association (PNA)

1 Teacher Preparation Notes for Photosynthesis Investigation1 This Photosynthesis Investigation includes two parts. Part 1. Measuring the Rate of Photosynthesis.
Photosynthesis Online Investigation Using your knowledge of light intensity and photosynthesis, determine the light intensity that would produce the most bubbles.
IB Biology Higher Level Lab Report Title: Investigate the effects of sodium bicarbonate and light intensity on the rate of photosynthesis of green spinach leaves.
Investigating the rate of photosynthesis. This is an example of a common experiment used to investigate light intensity and the rate of photosynthesis.
The Effect of Light Intensity on Photosynthesis Essay The Effects of Light Intensity on the Rate of Photosynthesis.
Investigating the effect of light intensity on the rate of photosynthesis. Investigating the effect of light intensity on the rate of photosynthesis. About.

Titanium dioxide photocatalysis - ScienceDirect

Kajian mengenai kesan keamatan cahaya terhadap kadar fotosintesis. Amali ini dilakukan dengan mengukur bilangan gelembung buih yang dibebaskan oleh .
The main factors affecting rate of photosynthesis are light intensity, carbon dioxide In 1905, when investigating the factors affecting the rate of photosynthesis, .
4. Change the conditions of photosynthesis by altering light intensity and This investigation can be performed with water plants grown in many parts.
Factors affecting the rate of photosynthesis. The term rate always involves time, so the rate of photosynthesis can be considered to be how fast photosynthesis takes.
Investigating factors affecting the rate of Light intensity or Download the student sheet Investigating factors affecting the rate of photosynthesis.
Category: Papers; Title: An Investigation into the Effect of Light Intensity on the Rate of Photosynthesis on a Piece of Elodea.

AQA | GCSE | Biology | Subject content


Oxygen is evolved during photosynthesis but the conditions for maximum reaction rate are intriguing. It can be affected by many things, including: sunlight - its intensity and wavelength, temperature, CO2 and O2 availability, water (which closes stomata and restricts CO2), and any factor that influences the production of chlorophyll, enzymes, or the energy carriers ATP and NADPH, such as pH and Mg2+ availability. You could test the effect of pH and temperature. It sure won't be linear but how well your prediction (hypothesis) and results agree will be interesting. You could also try light intensity. If you don't have a "luxmeter" to measure intensity you could take advantage of the fact that as you double the distance of the light source to the plant, the intensity is quartered (but you'd have to cut out daylight). There are a lot of variables to control and complex biochemical reactions to examine.

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