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Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| atmosphere | the envelope of gases surrounding the earth or another planet.
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| troposphere | 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.
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| 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).
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| 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.
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| thermospere | the region of the atmosphere above the mesosphere and below the height at which the atmosphere ceases to have the properties of a continuous medium. The thermosphere is characterized throughout by an increase in temperature with height.
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| exosphere | the outermost region of a planet's atmosphere.
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| ionosphere | 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.
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| air pressure | the force exerted onto a surface by the weight of the air.
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| ozone layer | a region of Earth's stratosphere that absorbs most of the Sun's ultraviolet (UV) radiation.
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| ultraviolet radiation | an electromagnetic radiation with a wavelength from 10 nm (30 PHz) to 400 nm (750 THz), shorter than that of visible light but longer than X-rays.
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| chlorofluorocarbons | any of a class of compounds of carbon, hydrogen, chlorine, and fluorine, typically gases used in refrigerants and aerosol propellants.
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| atmosphere | the envelope of gases surrounding the earth or another planet.
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| troposphere | he 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.
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| 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)
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| 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.
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| thermosphere | the region of the atmosphere above the mesosphere and below the height at which the atmosphere ceases to have the properties of a continuous medium. The thermosphere is characterized throughout by an increase in temperature with height.
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| exosphere | the outermost region of a planet's atmosphere.
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| ionosphere | 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.
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| air pressure |
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| ozone layer |
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| ultraviolet radiation |
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| cholorofluorocarbons |
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| radiation | the emission of energy as electromagnetic waves or as moving subatomic particles, especially high-energy particles that cause ionization.
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| conduction | 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.
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| convection | the movement caused within a fluid by the tendency of hotter and therefore less dense material to rise, and colder, denser material to sink under the influence of gravity, which consequently results in transfer of heat.
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| hydrosphere | all the waters on the earth's surface, such as lakes and seas, and sometimes including water over the earth's surface, such as clouds.
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| condensation | water that collects as droplets on a cold surface when humid air is in contact with it.
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| Coriolis effect | an effect whereby a mass moving in a rotating system experiences a force (the Coriolis force ) acting perpendicular to the direction of motion and to the axis of rotation.
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| jet streams | a narrow, variable band of very strong, predominantly westerly air currents encircling the globe several miles above the earth. There are typically two or three jet streams in each of the northern and southern hemispheres.
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| sea breeze | a breeze blowing toward the land from the sea, especially during the day owing to the relative warmth of the land.
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| land breeze | a breeze blowing toward the sea from the land, especially at night, owing to the relative warmth of the sea.
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