1. Light water oxygen Carbon dioxide Light DEPENDENT reactions ATP NADPH
Light INDEPENDENT reactions (Calvin cycle)
SUGAR (glucose)
Carbon dioxide

2. 6 CO2 + 6 H2O → C6H12O6 + 6 O 2
C6 H12O6
C O2
CO2
H2O

3. Carefully measured the mass of a growing plant and concluded the increase came from water
JAN VAN HELMONT

4. Experimented with a plant, bell jar, and candle to show that plants make oxygen
JOSEPH PRIESTLEY

5. Showed plants produce oxygen when exposed to light
JAN INGENHOUSZ

6. Received the Nobel prize for figuring out the biochemical pathway that produces glucose
MELVIN CALVIN