Experimental design—controlling relevant variables in photosynthesis experiments is essential.
Understandings
Applications and Skills
BioKnowledgy 2.9 Photosynthesis from Chris Paine
Lab Bench Chromatography
http://www.phschool.com/science/biology_place/labbench/lab4/quiz1.html
Simple online demo from KScience
Virtual Lab: Wavelength and Photosynthesis from Glencoe Biology
Light intensity vs rate of photosynthesis, from Reading University