Precipitation (pre-sip-uh-tay-shun) is any form of water that falls to the
Earth's surface. Different forms of precipitation include drizzle, rain, hail, snow, sleet, and freezing rain.
important because it helps maintain the atmospheric
precipitation, all of the land on the planet would be desert.
Precipitation helps farmers grow crops and provides a fresh water supply
for us to drink.
Precipitation can also be damaging. Too much rain and snow can cause severe
flooding and lots of traffic accidents. Hail can damage crops and cars.
Freezing rain and sleet can destroy trees and power lines.
The opposite of precipitation is evaporation.
Shop Windows to the Universe Science Store!
The Fall 2009 issue of The Earth Scientist
, which includes articles on student research into building design for earthquakes and a classroom lab on the composition of the Earth’s ancient atmosphere, is available in our online store
You might also be interested in:
Drizzle is very light rain; the water drops that make up drizzle are smaller than rain drops. Drizzle can be so light that only a millimeter of water falls to the Earth's surface in one day. It is produced...more
Raindrops form when tiny water droplets collide together in clouds to form bigger ones. When they get too heavy, rain falls out of the clouds. Rain is more than 5mm in diameter. The types of clouds that...more
Sleet forms when a partially melted snowflake or raindrop turns back into ice as it is falling through the air. Sleet starts out in a cloud as a snowflake or a raindrop. It may be a snowflake or a raindrop,...more
Have you ever left a glass of water out for a long time? Did you notice that the water disappears after a few days? That's because it evaporated! Evaporation is when water passes from a liquid to a gas....more
Here's a neat experiment that makes rain in a jar. Plus you get to tell your parents or teacher what to do! You will need a parent or teacher, a jar with a metal lid, 1 cup of water, a hammer, a nail,...more
Stratocumulus clouds belong to the Low Cloud group. These clouds are low, lumpy, and gray. These clouds can look like cells under a microscope - sometimes they line up in rows and other times they spread...more
Unlike the Earth, where clouds are found around the entire globe, on Mars, clouds seem only to be found near the equator, as shown in this Hubble telescope image. This may be because water of Mars may...more