What this lesson teaches
Photosynthesis light reaction.
Science in Action
Photosynthesis Spinach Lab
Demonstrate photosynthesis with spinach leaf experiment!
Duration30 min
Age GroupAges 11–14
DifficultyIntermediate
SubjectScience
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What you need
How the activity runs
The learning connection
Watching oxygen bubbles form on a leaf is direct, sensory evidence of a process that students cannot directly observe in nature. This experiment converts abstract chemical equations into a visible biological event, creating a personal observation that outlasts any diagram.
Try it with your learner
1. Cut spinach discs. 2. Remove air with syringe. 3. Submerge in bicarb water. 4. Expose to light.