Effect of light colour & intensity on the rate of photosynthesis

Immobilised algae can be used to measure rates of photosynthesis. The information that follows is offered in support of post-16 experiments that use the immobilised algal system. It is possible to study a number of variables when measuring the rate of photosynthesis. Such variables include (but are not limited to):

• Colour of light
• Light intensity
• Number of algal balls
• Algal ball size
• Concentration of algae
• Temperature
• Starting concentration of CO2
• Rate of oxygen production

In the attached document, we describe some resources which may be useful when designing experiments to investigate the first two variables from the above list (Colour of Light, and Light intensity).