General
Definition of atmosphere
Gaseous layer that surrounds the Earth
Apart from gases, atmosphere contains.....
Solid particles
Water falling in liquid state is called.....
Rain
Why there are not as many craters in the Eartth surface as in the Moon's?
Because the atmosphere protects the Earth from meteroites
How many atoms of oxygen form an ozone molecule?
3
Name two fo the most abundant gases we can find in the Atmosphere
Nitrogen and oxygen
Why the appear of bacteria 3500 million years ago is important?
Becasue it was a photosynthetic organism and was able to release oxygen into the the atmosphere
Types fo condensation pf water vapor
Clouds, fog, dew and frost
To which levels do pollutant impact?
Individual, ecosystem and global levels
Why are some gases released from factories the ones to blame for the acid rain?
Because they react with the water vapour in the atmosphere forming acids. Then, they move with the wind and finally it rains this mixture
Name of the layer closer to the surface
Troposphere
In which layer does rain happen?
Troposphere
Hail
Why is atmosphere imortant? Explain one reason
It regulates the Earth's temperature.
It protects the Earht from meteorites and radiation
Define greenhouse effect
It is a natural phenomenon that keeps temperature constant and permits life to exist on our planet.
Why is air produced?
Because the atmosphere warm up the planet in an uneven way. This situation makes the air to move form areas in whiich it is codler and denser to places where it's warmer and lighter
Name two layers in which temperature drops
Troposphere and mesosphere
How are droplets formed?
Because the start colliding inside the cloud, and the get bigger and bigger. When they're too heavy, the fall down
What type of pollutant are light and noise)
Physical pollutants
What is the name of the pollutants respoable form the deplation of ozone layer?
CFCs
Name of the pollutant responsable for depletion in the ozone layer.
CFCs
Why temoerature in the termosphere rises that much?
Because of the inosphere (absorbs radiation from the Sun)
What type fo phenomenon happens when dew freezes?
Frost
Name two natural pollutants
Dust in the deserts, pollen, ashes and gases from the volcanic eruptions
Which U.V. is the most dangerous one?
U.V.C.