In this at-home activity, learn to utilize the forces of capillary action to make a planter at home that will water itself. Plants use capillary action to draw water from the ground up into their roots and stems in order to survive. Capillary action is able to work against gravity because the forces that keep water together and attached to small surfaces is stronger than the force of gravity, allowing the water to move upward toward the leaves and the flowers of plants.

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