Air in Motion II: Harmful Effects of Wind – Basic 3 Basic Science Lesson Note (Second Term)

Date: ___________
Class: Primary 3
Duration: 40 minutes

Basic science: air in motion II – harmful effects of wind

When Wind Becomes Dangerous

Sometimes the wind can be very strong and cause problems for people and things around us.

Harmful Effects of Strong Wind

• Destroys houses – can blow off roofs and break windows

• Uproots trees – pulls big trees from the ground

• Causes accidents – makes cars and trucks difficult to control
• Spreads fires – makes fire burn faster and wider

• Damages crops – destroys farmers’ plants and food

• Hurts people – can knock people down
• Creates dust storms – fills air with sand and dirt

• Sinks boats – makes big waves on water

How to Stay Safe During Strong Wind

• Stay inside your house
• Close all doors and windows
• Stay away from big trees
• Do not go swimming or near water
• Avoid flying kites or playing outside

Exercise 1:

1. What can strong wind do to trees? _________
2. Where should you stay during strong wind? _________
3. Circle things wind can damage: Books / Houses / Pencils / Cars