## Lab 8: Determining the Rate of Photosynthesis in a Leaf

### Essay on Rate of Photosynthesis Lab Report - 538 Words

This investigation compares the amount of photosynthesis that occurs when different colors of light are provided to a plant. In this lab, students test the effect of light color on the rate of photosynthesis.

### Rate of Photosynthesis Lab Report

levels of carbon dioxide available to the plant I could still measure
whether this affects the rate of photosynthesis in pondweed.

6CO + 6H O ® C H O + 12O (in the presence of light energy and chlorophyll) Aim- The aim of the experiment is to determine what effect light intensity has upon the rate of photosynthesis of Canadian Pondweed (Elodea)....

## The "Rate of Photosynthesis" lab explores just that

An additional trial that included "sunlight" would have been preferred, but with the time and materials available, it was difficult to achieve such results.
Part I.
Research can show that the more CO2 there is, the faster the rate of photosynthesis, until it plateaus, anyway.

## Rate of Photosynthesis; Photosynthesis Lab;

A) sunlight concentration B) temperature C) chlorophyll concentration D) carbon dioxide availability Effects of the variables and there concentrations: The amount of sunlight will decide the rate of photosynthesis as there will be a an increased rate of photosynthesis due to the increased availability of photons of light....

## Remove several leaves from around the cut end of the stem

Having isolated and identified pigments found in chloroplasts, you can now determine the wavelengths of light transmitted by each pigment and then by all the pigments in the chloroplast extract. There was a slight change from the laboratory manual during this exercise because we used an extract containing all the pigments as opposed to working with each pigment separately. A graph was constructed using the absorbance of the extract at varying wavelengths. The goal of this exercise was to discover at what wavelengths do the chloroplast pigments absorb the greatest amount of light. An ideal graph would be similar to the following:

## AP Biology Lab - Photosynthesis

Change the conditions of photosynthesis by altering light intensity and
carbon dioxide amount, and determine the effects on the photosynthesis rate.
5.

## Designing an experiment to test the rate of photosynthesis

Aprons and protective eyewear should be worn in the lab
Keep solutions away from electrical cords to avoid electric shock
Handle glassware with care; report any broken glass to the supervisor
Dispose of all materials appropriately The highest rate of photosynthesis was produced by the wavelength of 570 nm (yellow light).