Observe and test wind using a homemade streamer or pinwheel, and understand wind as moving air.
Wind is air that is moving. You cannot see wind, but you can see what it does!
Use a streamer or pinwheel today to see the wind at work.
Mastery looks like: They can explain that wind is moving air and demonstrate noticing it using a streamer or pinwheel.
Common stumbles: Believing wind itself is visible, rather than what it moves, is a common idea at this age; pointing to specific moving objects as wind clues helps clarify.