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Java Games: Flashcards, matching, concentration, and word search. |
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| Troposphere | weather & where we live |
| Stratosphere | ozone layer |
| Mesosphere | burns up meterorites |
| Thermosphere | outer most layer, divided into two layers |
| Ionosphere | aurora borealis & aurora australis occur here |
| Exosphere | location of satellites |
| greenhouse effect | insulates the Earth |
| greenhouse gases | carbon dioxide, methane |
| magnetosphere | magnetic force field lines which protests the Earth from the solar wind, generated from the Earth's core, runs from south to north pole |
| ozone | 3 atoms of oxygen, protects from suns radiation |
| CFC's | break down ozone in the stratosphere |
| global warming | the average temp. of the Earth increases because of an increase in greenhouse gases |
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7th Grade Science |
Hellstern Middle School |
| Springdale, AR |
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