Real-Life Applications of Atmospheric Pressure for Class 8 Students

Applications of atmospheric pressure can be seen everywhere around us in simple daily activities. From drinking water through a straw to using medical syringes, air pressure plays a hidden but important role in making many tasks easier. Understanding the applications of atmospheric pressure helps us connect science with real-life experiences. In this article, we will study different situations where atmospheric pressure is used in our daily life.

Table of Contents

• Understanding Atmospheric Pressure
• Application of Atmospheric Pressure in our Daily Life

Understanding Atmospheric Pressure

Atmospheric pressure is the force made by the weight of air around us. The air above the Earth goes up to a very high height, and its weight presses down on everything. This pressure acts on all objects from all sides. 

You might wonder after knowing that, even though we cannot see it, atmospheric pressure is always there. It also helps in many natural events and affects weather changes in our surroundings every day.

Read More: Atmospheric Pressure

Application of Atmospheric Pressure in our Daily Life

Applications of atmospheric pressure can be seen everywhere around us in simple daily activities. Here are some of the real-life applications of atmospheric:

Straw and Drinking Water: When you try to suck water from a straw, the air pressure inside the straw decreases. The atmospheric pressure outside pushes the water into the straw. Syringes work on the same principle. 

Suction Pads and Stickers: When rubber suction pads are pressed on a flat surface, the air inside is pushed outside, thus decreasing the pressure inside. 
Hence, the outside atmospheric pressure acts on it and pushes the pads to the surface, thereby making them stick to the wall.

Animals and Natural Adaptations: The feet of the lizards are made of natural pads that act like rubber sucker helping them stick to the walls and ceilings.

Effects at High Altitude: Atmospheric pressure decreases with altitude. Hence, the fountain pen starts leaking in higher altitudes.

The fluid, such as blood in our body, exerts pressure and cancels the effect of the atmospheric pressure. But when you go to a higher altitude due to the decrease in atmospheric pressure, the blood pressure inside the body increases, thus bursting the blood capillaries. Hence, nosebleeds are experienced when we go to higher altitudes.

Working of a Vacuum Cleaner: A vacuum cleaner has a fan inside that creates a low pressure inside the device. Consequently, air and dirt particles are sucked into the device.

So far, we have learned how atmospheric pressure is used in many real-life situations, such as drinking water through a straw and many other daily activities. These applications show how air pressure silently helps in daily life activities and modern devices.