Clouds

Describe what you see in the sky

A visible mass of condensed water vapor floating in the atmosphere, typically high above the ground

• Simple clouds

• Cumulonimbus clouds

• Cumulus clouds 

• Cirrus clouds

• Stratus clouds

clouds form layers that can make a day look gray because they block some sunlight from reaching the surface

• Simple clouds

• Cumulonimbus clouds

• Cumulus clouds 

• Cirrus clouds

• Stratus clouds

Clouds are feathery high-altitude clouds made of ice crystals

• Simple clouds

• Cumulonimbus clouds

• Cumulus clouds 

• Cirrus clouds

• Stratus clouds

clouds may grow so tall that the water droplets that formed the cloud freeze into ice crystals at the top

• Simple clouds

• Cumulonimbus clouds

• Cumulus clouds 

• Cirrus clouds

• Stratus clouds

clouds grow vertically because they form where air is rising quickly

• Simple clouds

• Cumulonimbus clouds

• Cumulus clouds 

• Cirrus clouds

• Stratus clouds

 Clouds form in areas of low pressure, air rises and cools. The water vapor condenses into water drops or freezes into ice.

• True

• False

Something covered with, or looking like feathers.

• feathery

• facethery

• fethery

• fathery

Something fine or thin

• feathery

• wispy

A weather balloon is filled with ...

• hydrogen or helium gas

• oxygen and helium gas

• hydrogen and carbon dioxide gas

• hydrogen and water