Photosynthesis

Photosynthesis

• The word equation for photosynthesis:
• carbon dioxide + water (light energy) > glucose + oxygen
• The chemical equation for photosynthesis:
• 6CO + 6H O light energy > C H O + 6O
• 2 2 6 12 6 2
• 
• Caption: The word and number equation for photosynthesis

Photosynthesis

• Photosynthesis is the chemical change which happens in the leaves of green plants.
• During photosynthesis light energy is absorbed by the green chemical CHLOROPHYLL.
• Photosynthesis takes place in leaf cells. They contain chloroplasts, which are tiny objects which contain chlorophyll.
• 

Explanation of the steps of photosynthesis

• 
• During Photosynthesis:
• Light energy is absorbed by chlorophyll, a green substance found in chloroplasts in some plant cells and algae.
• Absorbed light energy is used to convert carbon dioxide (from the air) and water (from the soil) into a sugar called glucose.
• Oxygen is released as a by-product.

Simple Photosynthesis

Factors limiting photosynthesis

• There are only 3 factors which limit photosynthesis. They are;
• Temperature
• The concentration of carbon dioxide
• Light intensity

(Limit) Temperature

(Limit) Light intensity

(Limit) concentration of Carbon Dioxide