2 What are clouds?A cloud is a collection of tiny water drops or ice crystals in the air.- Precipitation falls from the clouds. However not all clouds bring precipitation.-There are different types of clouds.
3 Stratus clouds. - Status clouds are low, flat layers of clouds. - They can be gray or white.-They bring rain or snow.Fog is a stratus cloud that forms near the ground.
4 Cirrus Clouds- Cirrus clouds are white, thin clouds that form high above the ground.-They are seen during fair weather, on a warm, sunny day.
5 Cumulus clouds - They are white, puffy clouds, with flat bottoms. - You see them during fair weather.-If they become dark, they may bring thunderstorms.
6 How do clouds form?Evaporation: Water in clouds, and fog comes from the water in earth’s surface.- The sun shines on the water, and water evaporates, or changes into gas.
7 Evaporation - The changing of a liquid to a gas. -Water in gas form is called: water vapor.
8 Condensation: - When the water changes from gas to liquid. - Water vapor rises into the air and cools down. Then it condenses and gathers around dust in the air.- This is how clouds are formed.
9 What is the water cycle?- Water moves from Earth’s surface into the atmosphere, and back again.-There could be no water cycle without the sun.
10 Water evaporates:- The sun’s energy heats water in lakes, rivers, oceans, streams, and land.- water turns into water vapor.
11 Water condenses: - Water vapor rises and cools. - water vapor turns into liquid water drops.-Drops form clouds.
12 Water falls- When enough water has condensed in clouds, water falls to the earth, as precipitation.
13 Water flows: -Some precipitation flows into lakes, rivers, and oceans. - Some soaks into land and becomes underground water.
14 Severe weather: - Water cycles can produce severe weather. -Example: Thunderstorms: a storm with thunder, lightning, heavy rains, strong winds, and even hail.
15 Tornadoes: - Storm with rotating winds that form over land. - Looks like a big, tall tunnel.-It damages most things in it’s path.
16 Hurricanes: - A large storm with strong winds and heavy rain. - It forms over the ocean.-When it moves over land, it’s winds, and rain damage property.
17 Blizzard:- A storm with lots of snow, cold temperatures, and strong winds.- Blizzards bury plants, cars, and buildings under snow.
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