In this experiment you will prove plants need air
.
.Materials:
2 potted plants about 2 to 3 inches tall.
A plastic cup (enough to cover the plant)
INSTRUCTION
Cover the plant with the plastic jar. Don’t cover the pot!!
Put the both plant outdoor and treat both plants in one way.
Observe: You will observe that the plant that is covered looks weak and unhealthy where as the other plant looks strong and healthy. Now take of the plastic jar and leave it outside for 1 hour. You will see the plant already start recovering!!!
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