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What is the property of water that prevents water from spelling over in a glass?
Surface tension.
How can a waterspider stand on water?
A waterspider can stand on water due to its specialized adaptations, including its lightweight body and the ability to create surface tension. The hairs on its legs trap air, allowing it to distribute its weight evenly across the water's surface. This prevents it from breaking the surface tension, enabling it to walk or glide on water without sinking. Additionally, the unique structure of its legs minimizes the disruption of the water surface, further aiding its ability to stay afloat.
What prevents water from evaporating from the earths surface?
Lower temperature and the counter-effect of condensation.
Why an air bubble in water burst as it emerges on water surface?
An air bubble in water bursts at the surface due to a decrease in surface tension. As the bubble rises, the water surrounding it is dragged along, stretching and thinning the surface layer. When the bubble reaches the surface, this thin layer breaks, causing the bubble to burst.
How does galvanising protect iron form corrosion?
Because it prevents water from touching the surface of the iron.
Is wax waterproof?
Yes, wax is waterproof because it repels water and prevents it from penetrating the surface it is applied to.
What property of the structure of water allows water spiders to walk across the surface of a pond?
it is when water molecules in the water form a 'wall'.Pond skaters have legs that spread out away from their bodies, lowering the pressure exerted by their weight and not breaking the surface tension of the water
Why are water droplets slippery when they fall on an oil surface?
Water droplets are slippery when they fall on an oil surface due to the low surface tension and cohesive forces of the oil, which reduce friction between the droplet and the surface. The oil creates a thin film that allows the water droplet to slide easily without breaking apart. Additionally, the hydrophobic nature of the oil prevents strong adhesion, allowing the droplet to maintain its shape and glide smoothly. This combination results in the slippery sensation observed.
What changes the way the surface of the earth looks by breaking up rocks?
wind, fire, water
Why does oil prevents rusting?
Oil leaves a film on the surface that repels water and air, the two things needed for rust.
Why can a water strider walk on water?
A water strider can walk on water because of its small size and the surface tension of water. The water strider's long, thin legs distribute its weight evenly, allowing it to stay on the surface without breaking through.
How do hydrophobic water-repelling surfaces prevent water from adhering to them?
Hydrophobic surfaces have a low affinity for water molecules, causing water to bead up and roll off the surface instead of sticking to it. This is due to the surface's molecular structure, which repels water molecules and prevents them from adhering.
