Help water 'escape' from one glass to another, using only paper towels!
In this simple demonstration, students observe the effects of capillary action, the process of water moving from one place to another through tiny gaps or tubes in a material.
Capillary action is how water moves through a plant. It's also how water moves through a 'wick' made of paper towels. Water wants to stick to the paper towel more than it wants to stick to itself, sitting in the glass. So, it moves along the paper towel through tiny gaps in the fibre of the towel, until it 'escapes' into the empty glass.
Wet and Dry Printable guide.
These activities are part of Science World's Big Science For Little Hands program. They were developed and tested with preschool and kindergarten educators.