These plant experiments on creating oxygen are fun and easy to do. The air that we breathe is 21% oxygen. After we breathe in oxygen we exhale carbon dioxide. Carbon dioxide is needed by plants for them to live. In these plant experiments you will see how a leaf creates oxygen that we breathe from sunlight.
Try these plant experiments
The bubbles you observed on the leaf and sides of the glass were oxygen. Leaves take in carbon dioxide and through the process of photosynthesis they create food for the plant.
Oxygen is a by product of this and goes into the air. The we breathe contains 21% oxygen produced by plants. Without plants we not have enough oxygen to live.
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