3 Do plants need air to grow? Follow Dicky to explore the plants.
Activity Booklet 4
(2) sk A Do plants need air to grow?
bserve O
(1)
o D
(3)
Plant two pots of soy bean seedlings. Cover the leaves of one of the seedlings with vaseline to block air from entering the leaves. Water the seedlings properly.
Group B: Leaves without vaseline
Group A: Leaves covered with vaseline
(4) nalyse A After three weeks, observe and record the growth of the seedlings. (5) hare S Tell the differences between the growth of the two groups. What else do plants need to grow?
Quick Check
The soy bean seedling covered with / without vaseline grows healthily. Plants need / do not need air to grow.
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