Table of Contents
What is a atmosphere simple definition?
An atmosphere is the layers of gases surrounding a planet or other celestial body. These gases are found in layers (troposphere, stratosphere, mesosphere, thermosphere, and exosphere) defined by unique features such as temperature and pressure.
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 the full meaning of atmosphere?
Full Definition of atmosphere 1a : the gaseous envelope of a celestial body (such as a planet) b : the whole mass of air surrounding the earth. 2 : the air of a locality the stuffy atmosphere of the waiting room. 3 : a surrounding influence or environment an atmosphere of hostility.
What is called atmosphere?
The atmosphere is the blanket of gases which surrounds Earth. It is held near the surface of the planet by Earth’s gravitational attraction. Without the atmosphere there could be no life on Earth.
What is an example of atmosphere?
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.
What is the important of atmosphere?
It is very essential for life on earth. Complete Answer: 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 are the 5 types of atmosphere?
Earth’s atmosphere has five major and several secondary layers. From lowest to highest, the major layers are the troposphere, stratosphere, mesosphere, thermosphere and exosphere. Troposphere.
What are the 7 layers of atmosphere?
Layers of the atmosphere The Troposphere. This is the lowest part of the atmosphere – the part we live in. The Stratosphere. This extends upwards from the tropopause to about 50 km. The Mesosphere. The region above the stratosphere is called the mesosphere. The Thermosphere and Ionosphere. The Exosphere. The Magnetosphere.
What are four uses of atmosphere?
the atmosphere help us to protect from the harmful rays of the sun. the earth atmosphere contains water oxygen and carbon dioxide. life on Earth needs the atmosphere. the atmosphere of earth stop the rays which can cause eye problems and skin cancer.
Why is it called atmosphere?
An atmosphere (from Ancient Greek ἀτμός (atmós) ‘vapour, steam’, and σφαῖρα (sphaîra) ‘sphere’) is a layer of gas or layers of gases that envelope a planet, and is held in place by the gravity of the planetary body.
What is the root word of atmosphere?
atmospheric Add to list Share. The adjective atmospheric comes from atmosphere, which stems from the Greek root words atmos, “steam or vapor,” and spharia, “sphere or globe.”.
What is the meaning of change of atmosphere?
vb. 1 to make or become different; alter. 2 tr to replace with or exchange for another. to change one’s name. 3 sometimes foll by: to or into to transform or convert or be transformed or converted.
Why is the atmosphere important for humans?
The atmosphere protects us from UV and other short wavelength light that would otherwise do a lot of damage to the DNA of living organisms. The atmosphere is also important because it contains oxygen, which we and other living organisms breathe.
What is the hottest layer of the atmosphere?
The thermosphere is often considered the “hot layer” because it contains the warmest temperatures in the atmosphere. Temperature increases with height until the estimated top of the thermosphere at 500 km. Temperatures can reach as high as 2000 K or 1727 ºC in this layer (Wallace and Hobbs 24).
What is the scope of atmosphere?
The scope of the atmospheric sciences is the structure and behavior of the atmosphere (Figure 1). As a science, the study of the atmosphere is grounded in observation, theory, and modeling.
What types of atmosphere are there in writing?
The mood of a piece of writing is its general atmosphere or emotional complexion—in short, the array of feelings the work evokes in the reader.Here are some words that are commonly used to describe mood: Cheerful. Reflective. Gloomy. Humorous. Melancholy. Idyllic. Whimsical. Romantic.
What is the importance of atmosphere in a story?
The purpose of establishing atmosphere is to create emotional effect. It makes a literary work lively, fascinating, and interesting by keeping the audience more engaged. It appeals to the readers’ senses by making the story more real, allowing them to comprehend the idea easily.
What is the atmosphere in a story?
Atmosphere is the aura of mood that surrounds the story. It is to fiction what the sensory level is to poetry or mise-en-scene is to cinema. Mood is established in order to affect the reader emotionally and psychologically and to provide a feeling for the narrative.
What are 3 functions 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 are the disadvantages of atmosphere?
Drawbacks The atmosphere holds in some “greenhouse” gases that retain the heat of the Sun. Clouds regularly obscure good astronomical viewing. The atmosphere refracts light which means the position and clarity of star viewing is less accurate. Pollution from light and chemicals obscure observations.
What are 3 ways the atmosphere is important to life on Earth?
Three Ways That the Atmosphere Helps Living Things Survive on Protection. The atmosphere blocks out harmful rays from the sun. Water. The Earth’s atmosphere contains water. Oxygen and Carbon Dioxide. Life on Earth needs the atmosphere to breath. Other Benefits. The atmosphere contains a large amount of nitrogen.
What is the coldest layer of the atmosphere?
Mesosphere, coldest layer of Earth’s atmosphere.
Which is the most abundant gas in the atmosphere?
The most abundant naturally occurring gas is Nitrogen (N2), which makes up about 78% of air. Oxygen (O2) is the second most abundant gas at about 21%. The inert gas Argon (Ar) is the third most abundant gas at .
Where does the Earth’s atmosphere end?
The final layer of the atmosphere, the enormous exosphere, continues until around 6,700 miles (10,000 km) above the surface of our planet (and some say even further). At that point, the moon is still hundreds of thousands of miles away.
