Help
Options
Didn't know it?
click below
click below
Knew it?
click below
click below
Don't Know
Remaining cards (0)
Know
retry
shuffle
restart
0:00
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.
Normal Size Small Size show me how
Normal Size Small Size show me how
science vocab
spheres
| Term | Definition |
|---|---|
| Atmosphere | the layer of gases that surround the Earth |
| Geosphere | the solid portion of the Earth that includes the crust, mantle, outer and inner core |
| Hydrosphere | all the waters on earth’s surface, such as lakes and seas, and sometimes water over earth’s surface including clouds |
| Biosphere | the regions of the surface, atmosphere, and hydrosphere of earth that are occupied by living organisms |
| Greenhouse gases | s a gas in the atmosphere that absorbs and emits thermal energy; greenhouse gases include: carbon dioxide, methane, nitrous oxide. |
| Nitrogen | most abundant permanent gas in the atmosphere (78% of atmosphere consists of Nitrogen) |
| Oxygen | second most abundant permanent gas in the atmosphere (21% of atmosphere consists of Oxygen) |
| Carbon dioxide | variable gas found in the atmosphere |
| Troposphere | the lowest layer of the atmosphere closest to Earth; most of Earth’s air is found here and this is where weather occurs |
| Stratosphere | the layer above the troposphere; the ozone layer is found in this layer |
| Mesosphere | located above the stratosphere; this is the layer in which meteors burn up to create shooting stars and it is also the coldest layer |
| Thermosphere | located above the mesosphere; not much is known about this layer, but there is not much air in this layer |
| Exosphere | the outermost layer, furthest from Earth’s surface; relatively thick layer but contains very little air. It is the transitional layer between Earth’s atmosphere and outer space. |
Created by:
tj416516
Popular Earth Science sets