5th grade ch. 7 lesson 4 how do clouds formPresentation Transcript
Chapter 7 Lesson 4 How do clouds form?
Clouds are made of: Water vapor Ice crystals b/c of temp. & air pressure
Activity- How many drops of water can a cloud hold? I predict that the cotton ball will hold _____ drops of water before it overflows. Result: The cotton ball held ___ drops before it overflowed.
Make a cloud demonstration Demonstrate cloud formation with a large, wide-mouthed jar, a match, a cup of water, a rubber band, and a plastic bag. Pour the water into the jar. Drop a lit match into the jar, then quickly cover it with the plastic bag. Secure the bag on the lid with a rubber band. Push the bag into the jar, and pull it out again. A cloud will form. Ask: How did the match help form a cloud? Why do you need to secure the plastic bag onto the jar?
Clouds and Drizzle [02:37]
Types of clouds Description Where it forms Cloud Forms b/c air cools Ground level fog Low altitude Dark, cover sky <2,000m above ground stratus Mid-altitude puffy Base-2,000 -7,000 m cumulus Vertical-cause thunderstorms Base-1,000m above ground Top-12,000m above ground thunderhead (cumulinimbus) High altitude, thin, wispy & white > 6,000m above ground cirrus
Types of Clouds [02:34]
Types of clouds-YouTube NASA: Our World: Cool Clouds
Types of Clouds-
Types of precipitation How it forms Form of precipitation hail snow sleet freezing rain rain