Vapor, Rain, and Snow: The Science of Clouds and by Paul Fleisher

By Paul Fleisher

How does a cloud shape? while is the easiest time to determine a rainbow within the sky? Why do ice cubes decrease within the freezer?The solutions to those questions all contain water. So do the explanations why we now have rain and snow. to appreciate climate, we need to recognize what occurs to water at diverse temperatures, at the floor and within the air. during this fact-packed ebook, notice what occurs whilst water alterations from a liquid right into a fuel or a fantastic, and masses extra.

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Scientists have also tried to create rain. The most successful method is called cloud seeding. Airplanes scatter tiny chemical particles in cold clouds (right). Ice crystals grow on the particles. They later fall as rain or snow. This method can work, but only if clouds are already in the sky. Measuring Precipitation Meteorologists measure precipitation with rain gauges. A rain gauge gives the level of precipitation in inches or centimeters. Rainfall is usually measured over a twenty-four-hour period.

The funnel empties into a long tube marked with measurements along the side. 36 V ap o r , Rai n , a n d S n o w The marks on Rain gauges tell the amount of rain that has fallen at any given time. The mouth of the funnel is ten times the width of the tube. This design makes it easier to measure small amounts of rain. The funnel gathers ten times as much rain as the tube alone would. Scientists then divide the amount of water in the collecting tube by ten to figure out how much rain actually fell.

The air below the cloud may be very dry. Raindrops and snowflakes sometimes evaporate as they fall. But when the air below the cloud gets humid enough, the rain or snow begins to fall again. Water drops on a window can show what occurs during collision and capture. A small drop bumps into another drop. The two form a larger drop, and so on. 28 Types of Precipitation Precipitation happens in all seasons. It happens at many different temperatures. So precipitation takes many different forms. Some peopple imagine a teardrop shape when they think of raindrops falling.

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