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 atmosphere short define?
1 : the whole mass of air that surrounds the earth. 2 : the gas surrounding a heavenly body (as a planet) The atmosphere of Mars is made up mostly of carbon dioxide. 3 : the air in a particular place. 4 : a surrounding influence or set of conditions an atmosphere of excitement.
What is atmosphere called?
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 short answer 5th?
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. A barometer is used to measure air pressure.
What is atmosphere 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 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 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. Air has weight so the atmosphere consisting of tremendous amount of air has enormous weight.
What is our atmosphere?
Air is mostly gas
The air in Earth’s atmosphere is made up of approximately 78 percent nitrogen and 21 percent oxygen. Air also has small amounts of lots of other gases, too, such as carbon dioxide, neon, and hydrogen.
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 class 6th?
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?
Answer: 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 short answer Class 4?
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 atmosphere class 2nd?
The atmosphere is the air that plants and animals breathe to survive. The atmosphere is made up of mostly nitrogen (78%) and oxygen (21%). There are lots of other gases that are part of the atmosphere, but in much smaller amounts. These include argon, carbon dioxide, neon, helium, hydrogen, and more.
What is a atmosphere in Kid definition?
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 atmosphere class4?
huge blanket of air which surrounds the earth is called atmosphere.
What do you mean by atmosphere Class 7?
Atmosphere: The thick envelope of air surrounding the earth is called the atmosphere. It is one of the natural components of the environment. The survival of all the living beings on this planet depends on the atmosphere.
What is the atmosphere Mcq?
The four main layers of the atmosphere are troposphere, stratosphere, mesosphere and thermosphere starting from the nearest to the farthest from the earth. The atmosphere consists of mainly three gases, viz., nitrogen (78.09%), oxygen (20.94%) and argon (0.93%).
What is atmosphere and its importance?
The atmosphere is a mixture of nitrogen (78%), oxygen (21%), and other gases (1%) that surrounds Earth. … 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.
What is the role of atmosphere?
The atmosphere is a protective layer that safeguards the earth from the harsh conditions of the solar system. … During the day, it prevents a sudden increase in the temperature of the earth and prevents the heat to escape to the outer space during the night. It keeps the average temperature of the earth steady.
What is an atmospheric resource?
Explanation. (a) Atmospheric resources: Are those elements such as wind, water, sunlight and gases which are of benefit to man, animals and plants.
What does atmosphere mean in literature?
We’re usually going for spooky around Halloween, but in literature, atmosphere refers to the feeling, emotion, or mood a writer conveys to a reader through the description of setting and objects.
What is atmosphere structure?
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.
What is the atmosphere composition?
Earth’s atmosphere is composed of about 78 percent nitrogen, 21 percent oxygen, 0.9 percent argon, and 0.1 percent other gases. Trace amounts of carbon dioxide, methane, water vapor, and neon are some of the other gases that make up the remaining 0.1 percent.
What is atmosphere draw and label the composition of the atmosphere?
Constituent | Formula | Percentage by Volume |
---|---|---|
Nitrogen | N2 | 78.08 |
Oxygen | O2 | 20.95 |
Argon | Ar | 0.93 |
Carbon dioxide | CO2 | 0.036 |