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Atmosphere
Layers, compositions and so on.
Question | Answer |
---|---|
Which is the most common gas in the atmosphere? | Nitrogen - 78% |
Which is the second most common gas in the atmosphere? | Oxygen - 21% |
Which is the most important gas for human life? | Oxygen - helps us survive! |
Which is the layer of the atmosphere that is closest to space? | Exosphere - it extends into space. |
Which is the hottest layer of the atmosphere? | Thermosphere - the temperature can reach upto 2000*C |
Which is the coldest layer of the atmosphere? | Mesosphere - the temperature can get as low as -100*C |
In which layer of the atmosphere is the Aurora found? | Thermosphere. |
What is responsible for the Aurora? | Ions - charged particles found in the thermosphere |
Which layer is responsible for destroying meteors before they reach earth's surface? | Mesosphere. |
Why do the meteors break apart or disintegrate in the mesosphere? | They break or disintegrate due to the sudden change in temperatures and friction. |
In which layer do jet streams originate? | Stratosphere. |
What are jet streams? | Jet streams are fast moving air currents. |
Which layer of the atmosphere contains the ozone layer? | Stratosphere. |
Why is the ozone layer important? | It protects us from harmful UV radiations from the sun. |
What is ozone? | It is a gas. |
Why do pilots fly into the stratosphere at times? | They do that to avoid severe weather forming in the troposphere. |
Which layer of the atmosphere do we live in? | Troposphere. |
What happens to atmospheric pressure as you move from the troposphere towards space? | It decreases. |
What happens to the temperatures in the stratosphere and thermosphere as you move towards space? | It increases or gets warmer. |
What happens to the temperatures in the troposphere, mesosphere and exosphere as you move towards space? | It decreases or gets colder. |
What does ex or exo mean? | External or extending |
What does therm or thermal or thermo mean? | Heat |
What does mes or meso mean? | Middle |
What does strata or strato mean? | Layered |
What does trop or tropo mean? | Changing land (near land) or changing weather |