A nice short introduction to Photosynthesis (from Twig World)
Appalling song but over 1.7 million hits!
Here’s a 6m 22s video on Photosynthesis from Wan2TlkScience?
Life in the Greenhouse (Science in Focus) a 19m video.
For tutorials & tests on this topic from ‘skoool’ go here and scroll down to 49 onwards.
KS3 Bitesize foundation level – Green Plants as Organisms – a video covering Photosynthesis & Respiration, Plant Nutrition, structure & function of Roots and Reproduction & KS3 Bitesize higher level – Life Processes – a video covering the details of Photosynthesis, the Structure & Function of the Leaf and the details of Respiration.