The following experiment is a fun and easy way to see the effects of gravitropism on a plant
These are the materials needed to make your own upside down plant:
-Small bean plant
Pour water over
sponges until they are moist.
Take small potted plant out of pot and remove much of the soil. (We used a small bean plant that we planted in a plastic cup.)
Sandwich the root ball of the plant between two sponges.
Tie the string around the sponges lengthwise and widthwise. Then hang the plant upside down in a sunny window with a tray under it to catch excess water.
Keep the sponges
watered and in a couple of days the plant will begin to
turn around and grow upright!!
To see gravitropism in action press play and watch the plant grow upwards.