AP BIOLOGY

Detailed explanation-1: -Before it overflows, the water forms a dome-like shape above the rim of the glass. This dome-like shape forms due to the water molecules’ cohesive properties, or their tendency to stick to one another.

Detailed explanation-2: -Adhesion makes a water drop a drop. Water is highly cohesive-it is the highest of the non-metallic liquids. Water is sticky and clumps together into drops because of its cohesive properties, but chemistry and electricity are involved at a more detailed level to make this possible.

Detailed explanation-3: -Surface tension= the tightness across the surface of water that is caused by the polar molecules pulling on one another. The pulling forces the surface of the water into a curved shape. It also causes raindrops to form round beads when landing on a windshield of a car.