One friend explains to another that plants combine water and carbon dioxide with the energy of the sun to produce sugar and oxygen. She mentions the roles of the roots, chloroplasts, and stomata in an engaging video that reviews how...

We all know photosynthesis happens, but why should we care? Here is a unit that covers everything young scholars need to know about photosynthesis. Hands-on activities, assessments, and lectures guide pupils though the physiology of...

Why do leaves change color in autumn? A presentation and worksheet walk through many details of photosynthesis. They explain where photosynthesis occurs, why plants are green, the changing colors in autumn, energy usage, and CAM plants.