π¨ What is Wind?
Wind is moving air. We cannot see it, but we can feel it.
We can hear it blowing through tree branches or see it move things like clothes on a line.
π¬️ Fun Fact: Wind can lift and move things like leaves, paper, and dust!
π§ Wind Has Direction
Wind doesn't just blow anyhow—it has a direction.
π We can tell which way the wind is blowing by:
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Watching smoke from a fire
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Dropping dry soil and seeing where it goes
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Looking at clothes or flags blowing in the wind
π§ͺ How to Tell Wind Direction
Here are some easy ways to figure out where the wind is blowing from:
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π₯ Watch smoke from a fire or chimney
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✋ Drop dry soil from your hand
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π§Ί Watch clothes or flags blowing
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π§ Use a compass or a wind vane
π ️ What is a Wind Vane?
A wind vane is a tool used to show the direction from which the wind is blowing.
π§ It uses the compass points: North, South, East, West.
The arrow on the vane points where the wind comes from.
πͺ️ Effects of Wind on the Environment
Wind can help us—but it can also cause problems.
✔️ Good things wind does:
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Spreads seeds to grow new plants
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Helps bring rain by moving clouds
❌ Bad things wind can do:
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Blow soil away (soil erosion)
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Destroy crops and houses
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Blow dust into drinking water, making it muddy
π§️ Summary
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π¬️ Wind is air in motion
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π Wind has direction and we can find out its direction
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π§ A wind vane shows us where the wind is blowing from
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π Wind affects the environment in good and bad ways
#Standard3 #Science #Wind #Weather #EnvironmentalEffects #BrainyBana #PrimarySchool #BotswanaSyllabus
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