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Clouds are made up of very light water droplets or ice crystals. These particles can float in the air. When warm air rises, swells and cools, it forms clouds. Many water droplets formed together scatter reflect sunlight and you see a white could, but with a dark or gray cloud, the sunlight is scattered in all directions instead of reflected. The different types of clouds are cumulus, cirrus, stratus and nimbus.

Cirrus clouds are the thin, wispy clouds seen high in the sky. They look as if someone took a cloud, stretched it, pulling pieces off, like a cotton ball when it is pulled apart. They are thin because they are made of ice crystals instead of water droplets. A blue sky and a few cirrus clouds high in the sky, usually means it is going to be a nice day.

Cumulus clouds are the puffy clouds that are usually scattered throughout the sky. In Latin, the word cumulus means pile. Just like when we say "accumulate," it means things pile up. This type of cloud is formed when warm air rises carrying water vapor with it by evaporation. Cumulus clouds can be white or gray. White fluffy clouds means no rain, but when they form into dark or gray clouds, it is going to rain.

Stratus clouds look like a huge thick blanket covering the sky. These clouds are a sure sign of rain if it is warm and snow if it is cold. If stratus clouds are near the ground, they form fog. These clouds form when the weather has been cold and warmer moist air blows in. The amount of moisture in the air and the difference between warm and cold air determine how thick the cloud or fog is.

The word nimbus means a cloud that already has rain or snow falling from it. These clouds are dark and seen during a thunderstorm along with thunder and lightning. They can be a combination of two clouds, like a cumulonimbus, which means a puffy black cloud with rain falling out or it, or a stratonimbus, which is a dark blanket with rain falling out of it.

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Clouds are made up of very light water droplets or ice crystals. These particles can float in the air. When warm air rises, swells and cools, it forms clouds. Many water droplets formed together scatter reflect sunlight and you see a white could, but with a dark or gray cloud, the sunlight is scattered in all ...

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Have you ever looked up at the clouds and wondered what gives them different shapes, sizes and colors? Put yourself in the shoes of NASA scientists as you learn about different cloud types and how they form. Then, make your own cloud observations and record what you see. You can even share your observations with NASA cloud scientists to help them with their research!

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The Types of Clouds and What They Mean Project | NASA/JPL Edu

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Have you ever looked up at the clouds and wondered what gives them different shapes, sizes and colors? Put yourself in the shoes of NASA scientists as you learn about different cloud types and how they form. Then, make your own cloud observations and record what you see.

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Tips from Ms. Meyer-You can add tips for your team too!

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Tips from Ms. Meyer-You can add tips for your team too!

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To add a picture using Padlet...
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Type "Types of Clouds" and select a photo.