Chlorophyll is the part of the plant that gives plants their green color. Chlorophyll is a green substance with a complex chemical structure. Each molecule of chlorophyll is made of carbon, hydrogen, oxygen, nitrogen and magnesium atoms. 

Have you ever wondered why green plants are all slightly different colors? or why leaves change color during the fall season?

Almost all plant leaves contain chlorophyll. 

Chlorophyll is required for plants so they can use the light energy to build their own food. 

In this project you will perform experiments with chlorophyll. There are many different questions that can be studied in this project. Following are two examples:

  1. Do Plants Need Sunlight To Be Green? (See experiment 1)
  2. What happens when chlorophyll is heated? (See experiment 2)
  3. Is chlorophyll a hydrophilic or hydrophobic substance?
Material and instructions:
Depending on the question and experiment you choose for your project, you may need different material. In general you will need some green plants as the source of chlorophyll plus some additional material and equipment that may be found at home or purchased locally in most areas. The project guide contains instructions about experiments as well as suggestions or samples for hypothesis. Depending on the experiment that you choose, you will need 2 to 10 days to complete your experiments. 
Details of this project:
More information or support on this project is available for the members of You may also find a Science kit for this topic at or