Lesson 4 Laboratory: Photosynthesis
Introduction: Elodea is a species of aquatic plant often called waterweed. Like other plants, Elodea absorbs carbon dioxide and releases oxygen during photosynthesis.
In this lab, an Elodea specimen is submerged in water under a lamp with a filter that can change...
To investigate the effect of carbon dioxide concentration on the rate of photosynthesis
Photosynthesis is a process that is essential for every living organism. Organic substances, such as glucose, are made from carbon dioxide and water by light energy from the sun. The light energy...
(2003 – 2012)
Q1: To study the effect of camouflage on a predator-prey relationship [F4-Chapter 8]
Q2: To study the relationship between the concentration of CO2 and the rate of photosynthesis
Q1; To determine the % of vitamin C in fruit juices...
Photosynthesis Lab Report
The lights are essential for photosynthesis and it plays a major role. All the food we eat and all the fossil fuel we use is a product of photosynthesis, which is the process that converts energy in sunlight...
the effect of lightintensity on plant growth
Investigate the effect of lightintensity on plant growth
Lightintensity will have an effect on plant growth. With an increase in lightintensity there will be plant growth at a faster rate in comparison to when the light intensity...
Virtual Lab: Optimizing Photosynthesis
1. Which two variables are controlled in a similar manner?
The two variables that can be controlled in a similar manner are CO2 & the light level.
2. How can you get the results to the...
Photosynthesis is used to synthesize complex organic materials from carbon dioxide, water, and inorganic salts, using light as the source of energy. The purpose of this experiment was to measure the optimum wavelength and lightintensity at which photosynthesis occurs. A buffer solution...
The Effects of LightIntensity on the Rate of Photosynthesis
Aim: To investigate the effects of lightintensity on photosynthesis.
Background: Photosynthesis is a process that plants undergo to produce glucose. The plant then uses the glucose to produce energy which the plant needs to sustain...
Investigation of the effect of concentration of carbon dioxide on the rate of photosynthesis
To investigate the effect of the carbon dioxide concentration on the rate of photosynthesis by carrying an investigation of using Hydrilla.
2.1 Biological principle
PHOTOSYNTHESIS LAB Alyssa Wright
AIM: to investigate the effect of lightintensity (lux) on the amount of oxygen produced (number of bubbles)
HYPOTHESIS: I predict that the rate of oxygen produced increases, as the lightintensity increases, but only to a point....
Experiment to investigate the effect of the concentration of Sodium Hydrogen Carbonate on the rate of photosynthesis using Cobomba plant.
Aim: The aim of the experiment is to investigate the effect of the concentration of Sodium Hydrogen Carbonate (NaHCO3) on the rate of photosynthesis using a Cobomba...
The Effects of Temperature and LightIntensity on the Amount of Dissolved Oxygen in Water
Lightintensity and temperature are critical factors that influence the levels and concentration of dissolved oxygen in an aquatic environment. The amount of oxygen in the water is relative...
1. An experiment was carried out to investigate the effect of lightintensity on the rate of photosynthesis of a Hydrilla sp. sprig
The following steps were carried out.
Step 1 : 50 ml of 2% sodium hydrogen carbonate...
Coursework on photosynthesis
“Investigating link between lightintensity and photosynthesis”
Aleksandra Kozielska, IB
Plants produce oxygen. Photosynthesis is the main source of O2, therefore we would like to conduct an experiment on this vital and extremely important process...
I believe that as the temperature rises, the rate of photosynthesis
will also increase. That is until the plant reaches its optimum
temperature and then the rate of photosynthesis will decrease.
Photosynthesis is the process necessary for plants as this is how they
obtain their food. The formula...
How does lightintensity affect the rate of photosynthesis?
Aim: To investigate the effect of lightintensity on the rate of photosynthesis.
Independent Variable: Distance of light (in cm); I will use 5 increments with range: 0 cm, 10 cm, 20 cm, 30 cm and 40 cm. To manipulate this variable I will use...
The effect of different coloured lights on the rate of Photosynthesis
Objective: To find out which colour of light provides the best consequences for the production of oxygen/ the rate of photosynthesis
In photosynthesis, there are two main parts, including light dependent and light-independent...
experiment is to investigate the photochemistry of chlorophyll. This experiment will be performed in two lab periods. In the first lab period you will extract chlorophyll, the green pigment in leaves, from spinach. In the second lab period you will investigate the interaction of light with chlorophyll...
the Amount of CO2 Affect the Rate of Photosynthesis?
There are a number of variables that can affect the photosynthesisrate of Canadian water weed (Elodea). They are as follows:
 The amount of light: an increased light level increases the rate of photosynthesis to a certain point where at...