Table of Contents
What are the states of the atmosphere?
Layers of the atmosphere: troposphere, stratosphere, mesosphere and thermosphere. Earth’s atmosphere has a series of layers, each with its own specific traits. Moving upward from ground level, these layers are named the troposphere, stratosphere, mesosphere, thermosphere and exosphere.
What can be found in the atmosphere?
According to NASA, the gases in Earth’s atmosphere include:
- Nitrogen — 78 percent.
- Oxygen — 21 percent.
- Argon — 0.93 percent.
- Carbon dioxide — 0.04 percent.
- Trace amounts of neon, helium, methane, krypton and hydrogen, as well as water vapor.
What is Earth’s atmosphere State?
Answer: The atmosphere protects life on Earth by absorbing ultraviolet solar radiation and reducing temperature extremes between day and night. The atmosphere has no abrupt cut-off. It slowly becomes thinner and fades away into space. There is no definite boundary between the atmosphere and outer space.
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.
Is the Sun in Earth’s atmosphere?
Because the Sun is a gaseous object, it does not have a clearly defined surface; its visible parts are usually divided into a “photosphere” and “atmosphere”: Atmosphere – a gaseous “halo” surrounding the Sun, comprising the chromosphere, solar transition region, corona and heliosphere.
Where is most of the mass of the atmosphere located?
The majority of the mass of the entire atmosphere is contained in the troposphere—between approximately 75 and 80 percent. Most of the water vapor in the atmosphere, along with dust and ash particles, are found in the troposphere—explaining why most of Earth’s clouds are located in this layer.
Is there a lot of water in the atmosphere?
There is always water in the atmosphere. Clouds are, of course, the most visible manifestation of atmospheric water, but even clear air contains water — water in particles that are too small to be seen.
Which is the only substance on Earth that occurs in three physical states?
Water is the only substance on Earth that naturally occurs in three physical states: solid, liquid, and gas (see Figure 4). Depending on temperature and atmospheric pressure, water can change from one state to another, a process called physical phase change.
Where does water go when it evaporates in the atmosphere?
The atmosphere is the superhighway in the sky that moves water everywhere over the Earth. Water at the Earth’s surface evaporates into water vapor which rises up into the sky to become part of a cloud which will float off with the winds, eventually releasing water back to Earth as precipitation.