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An Investigation into how light intensity affects the rate of photosynthesis.
... greater the amount of Light, the more conversion there would be taking place and the quicker it would take place. Because of a greater intensity of light, there would be a greater amount of chemical reaction in the same or ...
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An investigation into how the amount of light affects the rate of photosynthesis
... + 6H2O ((((((((( C6H12O6 + 6O2
Carbon dioxide + water Chlorophyll Sugar + Oxygen
On are preliminary experiment we tried to measure the volume of oxygen produced but couldn't collect enough oxygen to measure, so instead we used a method where ...
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An Investigation into How Ultraviolet
... southern spring in the layer above Antarctica. This was completely unexpected so scientists began to research why the hole had appeared and what it was that had caused it to appear.
Because the chemistry of the ozone layer is so dynamic ...
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An Investigation into Species Diversity with distance along a Pingo.
... (the last Ice age about 2 million years ago). There are two different types of pingo; a closed-system pingo and an open-system pingo. The closed-system pingo forms from a local supply of water, they often form on the sites of ...
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An investigation into the abundance of fresh water black fly larvae, Simuliidae, between pools and riffles in Woodford meanders on the 19th September 2003.
... concentration in the slow moving pools or the fast moving riffles. I chose a freshwater dwelling species because there was a stream, Woodford meanders near to the base camp, Nettlecombe court, where we were staying, therefore it was more accessible, ...
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An investigation into the effect of a germination inhibitor on the germination of seeds.
... and in the early stages of germination seeds may rely on some anaerobic respiration, at least until the testa has ruptured.
So this explains why water, oxygen and a suitable temperature are needed for germination, therefore needed for this experiment. Light ...
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An investigation into the effect of differing water potentials on the mass or volume of potato tissue, with the final aim to discover the water potential of potato tissue.
... form a shell around each solute molecule. So this decreases the number of free water molecules that are able to exert a pressure on the membrane. Therefore, the water potential decreases" (Reference ASGURU website) Therefore the more negative the water ...
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An investigation into the effect of light intensity on the rate of photosynthesis of Canadian pondweed (Elodea canadensis)
... chlorophyll. The plant gets its green colour because chlorophyll is green.
Light energy drives photosynthesis. The chlorophyll captures the light energy and uses it to build carbohydrates from simple raw materials (water, carbon dioxide and minerals). The raw materials that ...
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An investigation into the effect of light intensity on the rate of photosynthesis on a piece of elodea
... Rack
Lamp
Water
Scissors
Ruler
Elodea
Stopwatch
Diagram:
Prediction:
I predict that as the distance from the light increases the average number of bubbles produced in 5 minutes will decrease. I think this because light plays a very important part in photosynthesis.
Carbon Dioxide + Water Glucose + Oxygen
As can ...
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An investigation into the effect of light intensity on the rate of photosynthesis on Canadian pondweed.
... the pondweed must also remain the same because the bigger
the pondweed the more amount of bubbles that will come off it. Also
the distance of the light must remain the same because if I am doing
the part of ...
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An Investigation into the Effect of Temperature on the Rate of Photosynthesis.
... called the substrate and the substance produced by the reaction is called the product. As enzymes are unchanged in reactions, a small amount of enzyme can catalyse the conversion of a lot of substrate into a lot of product. In ...
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An Investigation into the Effect of Temperature on the Rate of Respiration in Yeast.
... + Energy
Aerobic respiration is when we measure we measure the rate of respiration by measuring the carbon dioxide given out. This process takes place in the presence of oxygen.
Prediction
I predict that when the temperature rises we will produce ...
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An Investigation into the effect of Temperature on the release of Betalain from Beetroot Tissue.
... tile or board and using the scapulae cut into discs 5mm thick.
Label 3 test tubes, A B & C for each of the temperatures to be tested. The temperatures required are 20, 30, 40, 50, 60, 70 and 80°c
Put 10cm³ ...
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An Investigation Into the Effect of Wave Exposure On the Morphology of Fucus Vesiculosus (Bladder Wrack)
... wave action and, there will be a lot of turbulence. Because of the
turbulence, less light will be able to penetrate the water. The growth
of the Fucus vesiculosus depends on carbohydrates being produced as a
product of photosynthesis, and ...
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An investigation into the effects of Carbon Dioxide concentration on the rate of photosynthesis.
... diagram
Diagram
Equipment List-this is a list of everything I will need in my experiment
Beaker
Test tube
Funnel
Elodea
Scales (for sodium hydrogen carbonate)
Sodium hydrogen carbonate
Water
Elodea
Fair Test and Limiting factors
There are many limiting factors in my experiment, many of which are incorporated into whether or not ...
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An investigation into the effects of different concentrations of lead chloride on the growth of plants, (cress).
... of nutrients for chemical reactions.) I will go into detail about these factors further on.
The first set of proteins to come in contact with the minerals and ions in the surrounding soil and are involved in the transport of micronutrients ...
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An Investigation Into The Factors Affecting The Rate Of Photosynthesis.
... the amount of Oxygen (O²) given off. This is because when the NaHCO² is added, the amount of Carbon Dioxide (CO²) increases. Therefore the pondweed will respire more quickly than before the NaHCO² was added, taking in more CO² and ...
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An investigation into the factors affecting the temperature rise in water heated electrically.
... good insulator of heat, so no (or very little) heat could have escaped from the cup therefore our results can be considered more accurate than otherwise.
We also realized that stirring the water would ensure an average representation of the ...
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An Investigation Into The Factors Affecting The Temperature Rise of Water Heated Electronically
... Power and mass are fixed, whilst time and change in temperature vary. E.g. I would have a fixed power input and mass, in order to see how both factors relate to one another.
Preliminary experiment
In my preliminary experiment, I have ...
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An investigation into the factors which affect the rate of transpiration
... I will ensure that the hairdryer is always on the same setting and always on the cool setting so that I only change 1 factor at a time. I also must check that as far as possible the humidity and ...
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An investigation into the heat output of some alcohol
... use a stopwatch to measure the temperature of water every 30 second and how long it would take to boil.
1. The Independent variable-the variable that can be changed, in this experiment is the alcohol.
2. The Dependent variable- the variable that ...
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An investigation into the properties of insulators.
... air within them are trapped and so cannot move, therefore convection currents cannot occur; which makes the still air a good insulator. Air is a good insulator because the particles are far apart so heat cannot transfer through the particles ...
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An Investigation into the Rate of Photosynthesis.
... aid with photosynthesis.
Factors
The rate of photosynthesis can be affected by various factors including light intensity, temperature, accessibility of water, and availability of nutrients. If the conditions that the plant requires are improved, the rate of the reaction should increase.
Therefore, ...
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An investigation into the relationship between heat loss and surface area to volume ratio
... water did not get out of control.
I noticed several mistakes with preliminary work. Firstly I noticed that even if you are careful it is still very difficult to prevent the water from boiling violently. Unfortunately the only measures which ...
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An investigation into the variables affecting the distribution of plants in a woodland area
... will start to grow.
The idea of coppicing affects some of the areas factors of distribution of plants because it provides more light and space for smaller plants, i.e. dog's mercury, so they will not be competitively excluded. This also ...