the layer above the earth and is made of many gases,including oxygen and nitrogen
this is the layer closest to the ground where we live and this is where weather takes place
this layer contains ozone,which is a special layer of oxygen molecules and absorb harmful rays of sun
there is no ozone in this layer and its very cold
A region of the earth's atmosphere where ionization caused by incoming solar radiation affects the transmission of radio waves. It extends from a height of 70 kilometers (43 miles) to 400 kilometers (250 miles) above the surface
its made of light gases and the molecules are spaced farther and farther apart until they don't exist
is a measure of the force applied over a unit area
elevation above sea level or above earth's surface
colorless gas (O3) soluble in alkalis and cold water; a strong oxidizing agent; can be produced by electric discharge in oxygen or by the action of ultraviolet radiation on oxygen in the stratosphere
the region of the stratosphere with the highest concentration of ozone molecules, which by absorbing high-energy solar ultraviolet radiation protects organisms on earth
Electromagnetic radiation that has a wavelength between that of visible light and that of X-rays
a gas that was once commonly used in various products (such as aerosols) but that is believed to cause damage to the ozone layer in the Earth's atmosphere
the process in which energy is emitted as particles or waves
is the movement of something such as heat or electricity through a medium or passage
A gas made up of molecules that are formed by three oxygen atoms.
This part of the atmosphere is called the ozone layer
Ozone molecules in this provide us with important protection from the rays of the sun.
The main molecules that are destroying the ozone layer are called ______________________.
Scientist who discovered the link between the depletion of the ozone layer and CFC's in 1974.
Another scientists who discovered the link between the depletion of the ozone layer and CFC's in 1974.
It is known that exposure to ___________ ______ reduces the effectiveness of the immune system.
An effective pesticide that is used to fumigate soils and in many crops that also damages the ozone layer.
______ are used in fire extinguishers that are prohibited in many countries because of their ozone-depleting action.
The word "ozone" means this in Greek.
The loss of phytoplankton, the basis of the marine food chain, has been observed as the cause of the increase in ultraviolet ____________.
An increase in UV-B radiation implies the formation of ____ ______.
The Ozone layer depends on UV-C rays from this to replenish its self.
The less we use our cars, the less _________ we will emit into the atmosphere.
The ozone layer over _________ is very thin. It is sometimes called the "hole" in the ozone layer.
A landmark agreement to phase out those substances that deplete the ozone layer.
The region surrounding the Earth or another astronomical body.
Part of the upper atmosphere where temperatures increase continuously.
above the Stratosphere and below the Thermosphere between 30 and 50 miles in altitude.
Above the troposphere, extending to about 32 miles above the earth's surface.
The lowest region of the atmosphere, extending from the earth's surface to a height of about 3.7-6.2 miles, which is the lower boundary of the stratosphere.
The outermost region of a planet's atmosphere.
It has a high concentration of ions and free electrons and is able to reflect radio waves. It lies above the mesosphere and extends from about 50-600 miles above the earth's surface.
Technical term for ozone layer.
Colorless unstable toxic gas with a pungent odor and powerful oxidizing properties, formed from oxygen by electrical discharges or ultraviolet light. It differs from normal oxygen in having three atoms in its molecule.
Short for chlorofluorocarbon.
Electromagnetic radiation that has a wavelength between that of visible light and that of X-rays.
Elevation especially above sea level or above the earth's surface.
Earth's air, which is made up of a thin layer of gases, solids, and liquids; forms a protective layer around the planet and is divided into five distinct layers.
The force exerted on a surface.
Energy transferred by waves or rays.
Energy transferred by waves or rays.
It is made of very light gases.
The height of an object or point in relation to sea level or ground level.
This layer contains ozone, which is special layer of oxygen molecules.
The whole mass of air that surrounds the Earth.
This layer is the closet to the ground where we live.
Where meteors burn.
The layer of the earth's atmosphere that contains a high concentration of ions and free electrons and is able to reflect radio waves.
Layer of the stratosphere with a high concentration of ozone; absorbs most of the Sun's harmful ultraviolet radiation.
Group of chemical compounds used in refrigerators ,air conditioners ,foam packaging ,and aerosol sprays that may enter the atmosphere and destroy ozone.
A types of energy that comes to Earth from the Sun ,can damage skin and cause cancer ,and is mostly absorbed by the ozone layer.
The transfer of energy that occurs when molecules bump into each other.
The force use by the weight of tiny particles of air molecules.
Is made up of three oxygen molecules and is what protects us from the sun's harmful UV radiation.
One atom of __________ can destroy more than 100,00 ozone molecules according to the U.S. Environmental Protection Agency
Aerosols from cans sometimes contains ozone-depleting substances called ____________________.
Ozone sits in the upper atmosphere and absorbs ___________ ___________, another type of solar energy that's harmful to humans, animals and plants.
Global warming is caused primarily by putting too much __________ ___________ into the atmosphere when coal, oil, and natural gas are burned to generate electricity or to run our cars.
The stratospheric ozonelayer absorbs ultraviolet (UV) radiation, preventing dangerous UV rays from hitting _________ ___________ and harming living organisms.
People, plants, and animals living under the ozone hole are harmed by the solar radiation now reaching the Earth's surface where it causes health problems, from ___ ______ to ____ ______.
_____ _____________ _______ create conditions for drastic ozone destruction, providing a surface for chlorine to change into ozone-destroying form.
CFC's were commonly found in refrigerants, solvents, propellants, and foam-blowing agents before the _________ ________ was agreed on in the 1980's
Since 1960's, there hs been a trend of increasing warming of the lower atmosphere and a cooling of the upper atmosphere. This ________-_________ ________ creates conditions that lead to ozone loss.
The International Day for the Preservation of the _____ ______ marks the date of the signing in 1987, of the Montreal Protocol on substances that deplete the Ozone Layer.
____________________ are being used as substitutes for CFC's because many of their properties rae similar and are less harmful to ozone by having a shorter half-life. This is considered a temporary solution.
Layer that contains ozone
Layer with high temperatures due to absorption of the Sun's rays.
Coldest layer of the atmosphere; located above the stratosphere
Layer of electrically charged particles found within the thermosphere
Layer closest to the Earth's surface; contains 90% of the atmosphere's total mass; all weather occurs in this layer
Earth receives energy from the sun in the form of _________.
Important gas in the atmosphere that absorbs ultraviolet radiation from the sun.
Outermost layer of the atmosphere that contains almost no air molecules.
The transfer of heat from one thing to another through direct physical contact.
The transfer of heat by circulation or movement.
The rise in average global temperatures over time.
The __________ effect is the process by which gases in the atmosphere trap heat.
An increase in Earth's Global Temperature
The most abundant gas in the air we breathe.
The trapping of heat in the atmostphere
Strong acids such as nitric acid or sulfuric acid that fall to earth
What happens to earth's average temperature due to the greenhouse effect?
Chlorine containing chemicals that cause the thinning of the ozone layer
Increasing amounts of this gas is associated with global warming
The main source of air pollution is the burning of
A haze of pollutants that hangs in the air above many cities
Depletion of this atmosphere layer increases Earth's exposure to UV radiation
The three invaluable resources are land, air, and ____________
True or false: acid rain can damage statues and destroy forests
the envelope of gases surrounding the earth or another planet.
the lowest region of the atmosphere, extending from the earth's surface to a height of about 3.7–6.2 miles (6–10 km), which is the lower boundary of the stratosphere.
the layer of the earth's atmosphere above the troposphere, extending to about 32 miles (50 km) above the earth's surface (the lower boundary of the mesosphere).
the region of the earth's atmosphere above the stratosphere and below the thermosphere, between about 30 and 50 miles (50 and 80 km) in altitude.
the layer of the earth's atmosphere that contains a high concentration of ions and free electrons and is able to reflect radio waves. It lies above the mesosphere and extends from about 50 to 600 miles (80 to 1,000 km) above the earth's surface.
the outermost region of a planet's atmosphere.
the continuous physical force exerted on or against an object by something in contact with it.
the apparent height of a celestial object above the horizon, measured as an angle.
fresh invigorating air, especially that blowing onto the shore from the sea.
a layer in the earth's stratosphere at an altitude of about 6.2 miles (10 km) containing a high concentration of ozone, which absorbs most of the ultraviolet radiation reaching the earth from the sun.
Radiation in the part of the electromagnetic spectrum where wavelengths are just shorter than those of ordinary, visible violet light but longer than those of x-rays
They are harmful to the ozone layer in the earth's atmosphere owing to the release of chlorine atoms upon exposure to ultraviolet radiation.
the emission of energy as electromagnetic waves or as moving subatomic particles, especially high-energy particles that cause ionization
the process by which heat or electricity is directly transmitted through a substance when there is a difference of temperature or of electrical potential between adjoining regions, without movement of the material.
Precipitation that is more acidic than normal because of air pollution.
Capable of being broken down by bacteria and other decomposers.
Fuel made from living things.
Human-made gases containing chlorine and fluorine
The process of helping biodegradable wastes to decompose naturally.
A period of less rain than usual
The study of how living things interact with each other and their environment
The community of organisms that live in a particular area, along with their nonliving surroundings
Pollutants that are released into the air
An energy-rich substance (such as coal, oil, or natural gas)
The theory that increasing carbon dioxide in the atmosphere will raise Earth's temperature.
The trapping of heat near Earth's surface by certain gases in the atmosphere.
The breaking of a habitat into smaller, isolated pieces.
An energy-rich chemical compound that contains carbon and hydrogen atoms.
A species that influences the survival of many others in an ecosystem.
A thick, brownish haze formed when certain gases react with sunlight
A resource that is either always available or is naturally replaced in a relatively short time.
A close relationship between two species that benefits at least one of the species.
A condition in which a layer of warm air traps polluted air close to Earth’s suface
A species that could become endangered in the near future.