What Causes a Rainbow?
What Causes a Rainbow? After a shower of rain there is often a rainbow. Rainbows form when the sun begins to shine through the clouds while
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Rain
What Is Hail?
Hail is made up of small lumps of ice that sometimes fall during thunderstorms. Hail starts in thunderclouds as rain. As the raindrops form,
How Is Rainfall Measured?
How Is Rainfall Measured? Rainfall is measured with an instrument called a rain gauge. It measures the amount of rain that falls on an area
Where Does Rain Come From?
Rain comes from clouds. There is always some moisture in the air. It evaporates from lakes and oceans. The water floats in the air as invisi
How Are Hailstones Formed?
How Are Hailstones Formed? Hailstones are balls of ice that fall from storm clouds. Hail is a type of precipitation, or water in the atmosph