RBSE Class 7 Science Notes Chapter 8 Winds, Storms and Cyclones

These comprehensive RBSE Class 7 Science Notes Chapter 8 Winds, Storms and Cyclones will give a brief overview of all the concepts.

RBSE Class 7 Science Chapter 8 Notes Winds, Storms and Cyclones

→ The moving air is called the wind.

→ Air exerts pressure.

→ Air expands on heating and contracts on cooling.

→ Air moves from the region where the air pressure is high to the region where the pressure is low. The greater the difference in pressure, the faster the air moves.

→ The warm air is lighter than the cold air.

→ Uneven heating on the earth is the main cause of wind movements.

→ The monsoon winds carry water and bring rain.

→ Thunderstorms develop in hot, humid tropical areas like India very frequently.

→ Factors like wind speed, wind direction, temperature and humidity contribute to the development of cyclones.

→ High speed winds and air pressure difference can'cause cyclones.

→ It has become easier to monitor cyclones with the help of advanced technology like satellites and radars.