process called photosynthesis.For photosynthesis to occur they need sunlight

energy.This energy is absorbed by a green pigment called chlorophyll,which

is mainly found in the leaves.This energy then combinEs with water molecules

(from the soil) and carbon dioxide (from the air).Then as a result of this,a

type of sugar is produced .This is called glucose.Also oxygen is made.

For my experiment I have chosen to use light distance as my variable.This

means that to carry out a fair test everything else must b

Some topics in this essay:
, Fair Test, carbon dioxide, water ·, fair test, · desklamp, light source, photosynthesis occur, carbon dioxide mixture, · set, light distance, measuring cylinder, dioxide mixture,