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10 Cards in this Set
- Front
- Back
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Ozone Layer |
Gas in earth's atmosphere that absorbs most of the damaging high-energy ultraviolet radiation from the sun. |
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Ultraviolet radiation |
A portion of the electromagnetic spectrum emitted by the sun, can cause tanning, sun burning, and cancers. |
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Solar winds |
A continuous stream of charged particles from the sun, with variations in the stream causing beautiful aurorae displays (northern lights), as well as geomagnetic storms that knock out power grids on earth. |
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Atmosphere |
The entire mass of air that surrounds Earth, made up of 78% nitrogen, 21% oxygen, and trace amounts of other gases. |
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Magnetosphere |
An area that deflects and traps harmful particles; resulting from an interaction of earth's magnetic field with solar "wind" (charged plasma) streaming from the sun. |
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Earth's Magnetic field |
Magnetic lines of force from earth's polar north and south, acting like a giant magnet. |
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Water |
A requirement for life as we know it, exists on earth as a solid, liquid, and gas. |
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Temperature |
A quantifying measurement used to represent the sensations of "how hot" or " how cold", expressed in degrees Celsius or Fahrenheit. |
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Solar system |
The distance that the sun's gravity controls the motions of planets and other bodies. |
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Sun |
The most massive object in the system, a medium sized star that provides energy and gravitational force to govern the orbits of surrounding bodies. |
