what is atmosphere short answer

What Is Atmosphere Short Answer?

Atmosphere is the thin layer of air that surrounds the earth. It is made up of various gases such as oxygen, nitrogen, carbon dioxides, dust particles and water vapour. The gravitational force of the earth holds the atmosphere around it. It protects us from harmful rays and scorching heat of the sun.

What is a atmosphere answer?

An atmosphere is the layers of gases surrounding a planet or other celestial body. Earth’s atmosphere is composed of about 78% nitrogen, 21% oxygen, and one percent other gases.

What is atmosphere short answer Class 3?

Thick envelop of air around the earth is called atmosphere. Air is a mixture of many gases like oxygen, nitrogen, carbon dioxide, argon etc. … We inhale oxygen from air. Atmosphere contains 21% oxygen, 78% nitrogen and 1% other gases.

What is atmosphere short answer Class 4?

An atmosphere contains the air that we breathe and is a blanket of gases that surrounds Earth. It is held near the surface of the planet by Earth’s gravitational attraction.

What is the atmosphere easy definition?

Atmosphere is defined as the area of air and gas enveloping objects in space, like stars and planets, or the air around any location. An example of atmosphere is the ozone and other layers which make up the Earth’s sky as we see it. An example of atmosphere is the air and gases contained inside a greenhouse. noun.

What is atmosphere Class 9?

Ans: Atmosphere is the veil of odourless,tasteless and colourless gases,dust particles and water vapour surrounding the earth which forms a protective boundary between the outer space and the biosphere. It is composed of different gases in different volumes.

What is atmosphere short answer Class 9?

What is known as atmosphere ? Answer: The blanket of air upto 1500 km surrounding the earth is known as atmosphere. Question 2. State the gaseous composition of the atmosphere.

What is atmosphere short answer Class 8?

The layer of air above the earth is called atmosphere. The air in our atmosphere extends upto 300 kilometres above the surface of Earth. The atmosphere contains a tremendous amount of air. … Atmospheric pressure is the air pressure which is exerted by the weight of air present in the atmosphere.

What is atmosphere Class 7 short?

(i) What is the atmosphere? Answer: The blanket of air surrounding the earth is called the atmosphere. The atmosphere primarily comprises nitrogen and oxygen in bulk and other gases like carbon dioxide, helium, ozone, etc in lesser quantities. All living beings on earth depend on the atmosphere for their survival.

What is atmosphere class6?

Answer: Atmosphere is a blanket of air surrounding the Earth’s surface. Atmosphere contains oxygen which is essential for animals to breathe and get energy from food.

What is atmosphere Class 11?

The atmosphere is composed of gases, water vapour and dust particles. The proportion of gases changes in the higher layers of the atmosphere in such a way that oxygen will be almost in negligible quantity at the height of 120 km.

What is atmosphere in biology?

The atmosphere is the layer of air that surrounds the Earth and is comprised mainly of Nitrogen and Oxygen. The atmosphere also contains traces of gases like carbon dioxide, neon, helium, etc.

What is atmosphere 4th?

huge blanket of air which surrounds the earth is called atmosphere.

What is atmosphere and atmosphere layers?

The atmosphere is comprised of layers based on temperature. These layers are the troposphere, stratosphere, mesosphere and thermosphere. A further region at about 500 km above the Earth’s surface is called the exosphere.

What is atmosphere Class 8 social science?

Answer: The thin blanket of air that surrounds the earth is called the Atmosphere. This layer of gases forms a protective boundary between the outer space and the earth’s space. It is the second layer of the earth.

What is atmosphere and its importance?

The atmosphere contains the air that we breathe; protects us from the harmful radiation of the Sun; helps to keep the planet’s heat on the surface, and plays a very important role in the water cycle.

What is atmosphere how is it useful?

The atmosphere protects life on earth by shielding it from incoming ultraviolet (UV) radiation, keeping the planet warm through insulation, and preventing extremes between day and night temperatures. The sun heats layers of the atmosphere causing it to convect driving air movement and weather patterns around the world.

What is the role of atmosphere Class 9?

The atmosphere forms a blanket over the surface of earth and maintains the variation of temperature and pressure on the earth during days and nights. It helps to keep the temperature of earth at optimum for the survival of life. It do not allow the drastic variation of temperature during days and nights.

What is atmosphere and its layers Class 6?

What is the difference between air and atmosphere?

1. What is the difference between air and atmosphere? The Air is the gas mixture that forms the Earth’s atmosphere, which remains around our planet thanks to the attraction of the force of gravity. … The atmosphere is the Earth’s gaseous region, the outermost and least dense region of the planet.

What is carbon dioxide for Class 6?

Carbon Dioxide: Carbon dioxide is a gas produced during respiration. It is also produced on burning of organic substances. It is used by plants for photosynthesis.
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What is atmosphere CBSE?

Answer: (i) Atmosphere is a thin blanket of air that surrounds the earth. It protects us from the harmful rays of the sun. It consists of several gases in which nitrogen and oxygen occupy the major portion.

What is atmosphere explain the structure of atmosphere?

The atmosphere layer closest to the earth is referred to as the troposphere. Beyond the troposphere are the stratosphere, the ozone layer, the mesosphere, and the thermosphere. The atmosphere is made up of 78% nitrogen, 21% oxygen, and smaller amounts of argon, carbon dioxide, helium, and neon.

Why do we study atmosphere in geography?

We study atmosphere because to understand rudimentary physical systems that disturb everyday life and to explain how the processes of human and physical systems have decided and sometimes altered the surface of the Earth and also to be able to make practical judgments about matters connecting relationships amid the …

Why do we need an atmosphere?

Not only does it contain the oxygen we need to live, but it also protects us from harmful ultraviolet solar radiation. It creates the pressure without which liquid water couldn’t exist on our planet’s surface. And it warms our planet and keeps temperatures habitable for our living Earth.

How did Earth’s atmosphere form?

The surface was molten. As Earth cooled, an atmosphere formed mainly from gases spewed from volcanoes. It included hydrogen sulfide, methane, and ten to 200 times as much carbon dioxide as today’s atmosphere. After about half a billion years, Earth’s surface cooled and solidified enough for water to collect on it.

Why does Earth have an atmosphere?

Our atmosphere protects the Earth from the harsh rays of the sun and reduces temperature extremes, acting like a duvet wrapped around the planet. … Mars and Venus have atmospheres, but they cannot support life (or, at least, not Earth-like life), because they don’t have enough oxygen.

What is the importance of atmosphere Class 6?

The atmosphere is an important part of what makes Earth livable. It blocks some of the Sun’s dangerous rays from reaching Earth. It traps heat, making Earth a comfortable temperature. And the oxygen within our atmosphere is essential for life.

Why is the atmosphere important essay?

It acts like a greenhouse and keeps the average temperature of the earth around 35°C and also protects the earth from the harmful radiation of the sun. The atmosphere is a storehouse for water vapour and serves as the medium of faster air transport.

Who discovered the atmosphere?

On April 28, 1902, Teisserenc de Bort announced to the French Academy of Science that he discovered a layer of the atmosphere where the temperature stays the same with altitude. He called this layer of the atmosphere the stratosphere.

What is atmosphere long answer?

What is the atmosphere definition for kids?

The atmosphere. is the layer of gas that surrounds Earth. It is often called air. Other planets, and some of their larger moons, also have atmospheres. The atmosphere consists of several different gases.

What is the main function of the atmosphere?

The atmosphere of Earth protects life on Earth by creating pressure allowing for liquid water to exist on the Earth’s surface, absorbing ultraviolet solar radiation, warming the surface through heat retention (greenhouse effect), and reducing temperature extremes between day and night (the diurnal temperature variation …

What is the function of the atmosphere in the environment?

The atmosphere protects Earth from harmful solar radiations and regulates heating provided by the Sun. The first function is made possible by ozone existing in the stratosphere, the second function is achieved by a mix of gases existing in the whole atmosphere called “greenhouse gases”.