NCERT Class 8 Science Curiosity: Chapter 6 — Pressure, Winds, Storms, and Cyclones
This chapter, 'Pressure, Winds, Storms, and Cyclones,' from NCERT's Class 8 Science Curiosity textbook, explores the fundamental concepts of pressure and its relation to wind phenomena. It begins by observing everyday effects of wind, like swirling leaves and swaying trees, prompting questions about the forces involved. The chapter introduces the concept of pressure as force per unit area, illustrated through the relatable example of carrying bags with different strap widths. It explains how pressure is experienced differently based on the area over which a force is applied. This foundational understanding sets the stage for exploring more complex atmospheric events such as thunderstorms and cyclones, crucial for understanding weather patterns and their impact. The chapter aims to build a scientific understanding of these natural forces for CBSE students.
Quick info
| Board | CBSE / NCERT |
|---|---|
| Class | Class 8 |
| Subject | Science |
| Book | Curiosity |
| Chapter | Chapter 6 — Pressure, Winds, Storms, and Cyclones |
| Language | English |
| PDF type | NCERT Textbook |
| Session | CBSE 2026 |
| Reading time | 2 minutes |
| Word count | 344 |
Learning outcomes
- Understand the concept of pressure as force per unit area.
- Relate pressure to everyday experiences like carrying bags.
- Identify the effects of wind force on objects.
- Begin to understand the causes of storms and cyclones.
Vocabulary
| Word | Meaning |
|---|---|
| Pressure | Force per unit area |
| Force | A push or pull that can change the motion of an object |
| Area | The extent or measurement of a surface |
| Wind | Moving air |
| Storms | Violent disturbances of the atmosphere with strong winds and usually rain, thunder, lightning, or snow |
| Cyclones | A system of winds rotating inward to an area of low atmospheric pressure with a core that is cloudy and a storm that produces heavy rain |
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Practice questions
- What is pressure? Answer: Pressure is defined as the force per unit area.
- Why is it more comfortable to carry a bag with broad straps than narrow straps, even if they have the same weight? Answer: A bag with broad straps distributes the weight (force) over a larger area, reducing the pressure on the shoulders compared to a bag with narrow straps.
- What causes fallen leaves to swirl in the air? Answer: The force exerted by the wind creates wind pressure, which causes fallen leaves to swirl or be swept away.
Frequently asked questions
What is the main topic of NCERT Class 8 Science Chapter 6?
Chapter 6 of NCERT Class 8 Science, 'Curiosity', discusses Pressure, Winds, Storms, and Cyclones.
How is pressure defined in this chapter?
Pressure is defined as the force acting per unit area.
What everyday example illustrates the concept of pressure?
The chapter uses the example of carrying bags with different strap widths to illustrate how pressure is affected by the area over which force is applied.
What natural phenomena are discussed in relation to pressure and wind?
The chapter introduces storms and cyclones as powerful natural events shaped by these forces.
What is the relationship between force and pressure?
Pressure is directly proportional to the force applied and inversely proportional to the area over which the force is distributed.
Related resources
Important topics
Topics covered
NCERT Class 8 Science — Curiosity — Chapter 6 — Pressure, Winds, Storms, and Cyclones. Verified by NCERT Help Editorial Team. Reviewed on 29 Jul 2026. Last updated 10 Aug 2026.