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Why are water droplets round?

Surface tension is responsible for the shape of liquid droplets. Although easily deformed, droplets of water tend to be pulled into a spherical shape by the cohesive forces of the surface layer. In the absence of other forces, including gravity, drops of virtually all liquids would be approximately spherical.

Why raindrops are not spherical and have a teardrop shape instead?

Raindrops are not tear shaped when falling through the air. They are approximately round. But the air resistance instead just flattens the front of the drop. The smaller the rain drop, the smaller the effect of air resistance and the more spherical the raindrop becomes.

Why is it important to know the shape of a raindrop?

Analyzing the shape of raindrops can give scientists insight into global rainfall patterns. For example, heavier, flatter drops mean heavier rainfall.

Why do raindrops not hurt?

When the droplets move so fast that the air resistance equals the force of gravity, the raindrops cannot fall any faster, thus they are at “terminal velocity”. Raindrops do not have a fast terminal velocity, so they can’t fall fast enough to hurt us.

What does raindrop mean?

Wiktionary. raindrop(Noun) A single droplet of rainwater that has just fallen or is falling from the sky.

What determines raindrop size?

The size of raindrops depend on many factors. There are basically, the condensation nuclei, the type of clouds and the atmospheric stability. The condensation nuclei will determine how fast the water vapour can adhere to it and grow.

Why are raindrops so small?

Rain forms in clouds as water vapor gloms onto dust or other tiny particles, gradually building up. The turbulent air inside a storm cloud can aide the process. It was presumed that this same process of collision kept up on the fall to the ground, resulting in some drops being bigger or smaller than others.

What is the maximum size of a raindrop?

0.25 centimeter

What are tiny drops of water called?

Clouds are tiny droplets of liquid water or small ice crystals. Water at the surface of the ocean, rivers, and lakes can become water vapor and move into the atmosphere with a little added energy from the Sun through a process called evaporation.

What is the smallest drop of water?

water hexamer

Where is most water on Earth located?

The ocean

What is a cloud of tiny water droplet?

Fog is a cloud on the ground. It is composed of billions of tiny water droplets floating in the air. Fog exists if the atmospheric visibility near the Earth’s surface is reduced to 1 kilometer or less. Contrails are condensation trails left behind jet aircrafts.